All Stories

  1. Unveiling the uncatalyzed reaction of alkynes with 1,2-dipoles for the room temperature synthesis of cyclobutenes
  2. Synthesis of Fused Cyclopentenones through Palladium‐Catalyzed Cyclization of 2‐Iodoaryl Allenols
  3. ChemInform Abstract: Platinum‐Catalyzed Divergent Reactivity of α‐Hydroxyallenes: Synthesis of Dihydrofurans and α,β‐Unsaturated Ketones.
  4. Sleep apnea awakens cancer
  5. ChemInform Abstract: Controlled Heterocyclization/Cross‐Coupling Domino Reaction of β,γ‐Allendiols and α‐Allenic Esters: Method and Mechanistic Insight for the Preparation of Functionalized Buta‐1,3‐dienyl Dihydropyrans.
  6. ChemInform Abstract: Organocatalyzed Three‐Component Ugi and Passerini Reactions of 4‐Oxoazetidine‐2‐carbaldehydes and Azetidine‐2,3‐diones. Application to the Synthesis of γ‐Lactams and γ‐Lactones.
  7. Gold/Acid‐Co‐catalyzed Direct Microwave‐Assisted Synthesis of Fused Azaheterocycles from Propargylic Hydroperoxides
  8. Gold-Catalyzed Cyclization Reactions of Allenol and Alkynol Derivatives
  9. Cyclization reactions of bis(allenes) for the synthesis of polycarbo(hetero)cycles
  10. Progress in allene chemistry
  11. A gold-catalysed imine–propargylamine cascade sequence: synthesis of 3-substituted-2,5-dimethylpyrazines and the reaction mechanism
  12. Novel achievements with an old metal: copper-promoted synthesis of four-membered azacycles
  13. 5.02 Thermal Cyclobutane Ring Formation
  14. ChemInform Abstract: Iodine Recycling via 1,3‐Migration in Iodoindoles under Metal Catalysis.
  15. ChemInform Abstract: Synthesis of Functionalized Azetidines Through Chemoselective Zinc‐Catalyzed Reduction of β‐Lactams with Silanes.
  16. ChemInform Abstract: Carbocyclization versus Oxycyclization on the Metal‐Catalyzed Reactions of Oxyallenyl C3‐Linked Indoles.
  17. Organocatalyzed Three-Component Ugi and Passerini Reactions of 4-Oxoazetidine-2-carbaldehydes and Azetidine-2,3-diones. Application to the Synthesis of γ-Lactams and γ-Lactones
  18. Synthesis of Fused-β-Lactams through Selective Gold-Catalyzed Oxycyclization of Dioxolane-Tethered Enynes
  19. Platinum‐Catalyzed Divergent Reactivity of α‐Hydroxyallenes: Synthesis of Dihydrofurans and α,β‐Unsaturated Ketones
  20. Controlled Heterocyclization/Cross‐Coupling Domino Reaction of β,γ‐Allendiols and α‐Allenic Esters: Method and Mechanistic Insight for the Preparation of Functionalized Buta‐1,3‐dienyl Dihydropyrans
  21. Synthesis of Functionalized Azetidines through Chemoselective Zinc‐Catalyzed Reduction of β‐Lactams with Silanes
  22. ChemInform Abstract: Unveiling the Reactivity of Propargylic Hydroperoxides under Gold Catalysis.
  23. Carbocyclization versus Oxycyclization on the Metal-Catalyzed Reactions of Oxyallenyl C3-Linked Indoles
  24. ChemInform Abstract: Metal‐Catalyzed Rearrangements of 3‐Allenyl 3‐Hydroxyindolin‐2‐ones in the Presence of Halogenated Reagents.
  25. ChemInform Abstract: Gold‐Catalyzed Tuning of Reactivity in Allenes: 9‐endo Hydroarylation versus Formal 5‐exo Hydroalkylation.
  26. ChemInform Abstract: Direct FeX3‐Based Stereocontrolled Access to (Z)‐3‐Alkenyl‐oxindoles from Allenols.
  27. Gold-catalyzed oxycyclization of allenic carbamates: expeditious synthesis of 1,3-oxazin-2-ones
  28. ChemInform Abstract: Direct Allenol‐Based Stereocontrolled Access to Substituted (E)‐1,3‐Enynes.
  29. Gold-catalysed tuning of reactivity in allenes: 9-endo hydroarylation versus formal 5-exo hydroalkylation
  30. Metal-catalyzed rearrangements of 3-allenyl 3-hydroxyindolin-2-ones in the presence of halogenated reagents
  31. Iodine recycling via 1,3-migration in iodoindoles under metal catalysis
  32. Four-Membered Ring Systems
  33. Unveiling the Reactivity of Propargylic Hydroperoxides under Gold Catalysis
  34. Direct FeX3-Based Stereocontrolled Access to (Z)-3-Alkenyl-oxindoles from Allenols
  35. Stereoselective cyanation of 4-formyl and 4-imino-?-lactams: application to the synthesis of polyfunctionalized ?-lactams
  36. Gold-catalyzed bis-cyclization of 1,2-diol- or acetonide-tethered alkynes. Synthesis of ?-lactam-bridged acetals: a combined experimental and theoretical study
  37. Gold-catalyzed direct cycloketalization of acetonide-tethered alkynes in the presence of water
  38. Chemo-enzymatic synthesis of an original arabinofuranosyl cluster: optimization of the enzymatic conditions
  39. ChemInform Abstract: Palladium‐Catalyzed Carbocyclization—Cross‐Coupling Reactions of Two Different Allenic Moieties: Synthesis of 3‐(Buta‐1,3‐dienyl) Carbazoles and Mechanistic Insights.
  40. Regio- and Diastereoselective Synthesis of β-Lactam-Triazole Hybrids via Passerini/CuAAC Sequence
  41. ChemInform Abstract: Ring Enlargement versus Selenoetherification on the Reaction of Allenyl Oxindoles with Selenenylating Reagents.
  42. Scandium‐Catalyzed Preparation of Cytotoxic 3‐Functionalized Quinolin‐2‐ones: Regioselective Ring Enlargement of Isatins or Imino Isatins
  43. ChemInform Abstract: Four‐Membered Ring Systems
  44. Ring Enlargement versus Selenoetherification on the Reaction of Allenyl Oxindoles with Selenenylating Reagents
  45. ChemInform Abstract: Heterocyclization of Allenes Catalyzed by Late Transition Metals: Mechanisms and Regioselectivity
  46. Diastereoselective Synthesis of β‐Lactam–Oxindole Hybrids Through a Three‐Component Reaction of Azetidine‐2,3‐diones, α‐Diazo‐oxindoles, and Alcohols Catalyzed by [Rh2(OAc)4]
  47. ChemInform Abstract: Allenyl‐β‐Lactams. Versatile Scaffolds for the Synthesis of Heterocycles.
  48. ChemInform Abstract: Novel Cyclization Reactions of Aminoallenes
  49. Palladium-catalyzed carbocyclization–cross-coupling reactions of two different allenic moieties: synthesis of 3-(buta-1,3-dienyl) carbazoles and mechanistic insights
  50. Direct allenol-based stereocontrolled access to substituted (E)-1,3-enynes
  51. Four-Membered Ring Systems
  52. ChemInform Abstract: Gold‐ or Palladium‐Catalyzed Allene Carbocyclization/Functionalization: Simple and Efficient Synthesis of Carbazoles.
  53. ChemInform Abstract: The Chemistry of 2‐Azetidinones (β‐Lactams)
  54. ChemInform Abstract: Gold‐Catalyzed Cyclizations of Alkynol‐Based Compounds: Synthesis of Natural Products and Derivatives
  55. Striking Alkenol Versus Allenol Reactivity: Metal‐Catalyzed Chemodifferentiating Oxycyclization of Enallenols
  56. Allenyl‐β‐lactams: versatile scaffolds for the synthesis of heterocycles
  57. ChemInform Abstract: Fascinating Reactivity in Gold Catalysis: Synthesis of Oxetenes Through Rare 4‐exo‐dig Allene Cyclization and Infrequent β‐Hydride Elimination.
  58. ChemInform Abstract: Gold‐Catalyzed Oxycyclizations of Alkynols and Alkyndiols
  59. ChemInform Abstract: Synthesis of Heteroaromatics and Related Compounds from β‐Lactams
  60. Novel Cyclization Reactions of Aminoallenes
  61. Gold-Catalyzed Cyclizations of Alkynol-Based Compounds: Synthesis of Natural Products and Derivatives
  62. Controlled Rearrangement of Lactam‐Tethered Allenols with Brominating Reagents: A Combined Experimental and Theoretical Study on α‐ versus β‐Keto Lactam Formation
  63. ChemInform Abstract: Straightforward Synthesis of Bridged Azaoxa Skeletons: Gold‐Catalyzed Aminoketalization of Garner′s Aldehyde‐Derived Alkynes.
  64. Gold‐ or Palladium‐Catalyzed Allene Carbocyclization/Functionalization: Simple and Efficient Synthesis of Carbazoles
  65. ChemInform Abstract: Accessing Skeletal Diversity under Iron Catalysis Using Substrate Control: Formation of Pyrroles versus Lactones.
  66. The Chemistry of 2‐Azetidinones (β‐Lactams)
  67. ChemInform Abstract: Four‐Membered Ring Systems
  68. Gold-catalyzed heterocyclizations in alkynyl- and allenyl-β-lactams
  69. ChemInform Abstract: Expeditious Entry to Enantiopure Mono‐ and Bis(tricyclic) β‐Lactams by Single or Double [2 + 2] Cycloaddition of Allenynes.
  70. ChemInform Abstract: Highly Reactive 4‐Membered Ring Nitrogen‐Containing Heterocycles: Synthesis and Properties
  71. Straightforward Synthesis of Bridged Azaoxa Skeletons: Gold‐Catalyzed Aminoketalization of Garner’s Aldehyde‐Derived Alkynes
  72. Accessing Skeletal Diversity under Iron Catalysis using Substrate Control: Formation of Pyrroles versus Lactones
  73. ChemInform Abstract: Novel Aspects on the Preparation of Spirocyclic and Fused Unusual β‐Lactams
  74. Corrigendum: Chemodivergence in Alkene/Allene Cycloetherification of Enallenols: Iron versus Noble Metal Catalysis
  75. Fascinating reactivity in gold catalysis: synthesis of oxetenes through rare 4-exo-dig allene cyclization and infrequent β-hydride elimination
  76. Gold catalyzed oxycyclizations of alkynols and alkyndiols
  77. Four-Membered Ring Systems
  78. Four-Membered Ring Systems
  79. Heterocyclization of Allenes Catalyzed by Late Transition Metals: Mechanisms and Regioselectivity
  80. Expeditious Entry to Enantiopure Mono‐ and Bis(Tricyclic) β‐Lactams by Single or Double [2+2] Cycloaddition of Allenynes
  81. Metal‐Catalyzed Cycloetherification Reactions of β,γ‐ and γ,δ‐Allendiols: Chemo‐, Regio‐, and Stereocontrol in the Synthesis of Oxacycles
  82. ChemInform Abstract: Indium‐Promoted Allylation Reaction of Imino‐Isatins in Aqueous Media: Synthesis of Quaternary 3‐Aminooxindoles.
  83. ChemInform Abstract: Cross‐Coupling/Cyclization Reactions of Two Different Allenic Moieties
  84. Metal‐Catalyzed Cycloisomerization and Tandem Oxycyclization/Hydroxylation of Alkynols: Synthesis of Nonfused, Spiranic and Fused Oxabicyclic β‐Lactams
  85. Ring Expansion versus Cyclization in 4‐Oxoazetidine‐2‐ carbaldehydes Catalyzed by Molecular Iodine: Experimental and Theoretical Study in Concert
  86. ChemInform Abstract: Synthesis of a New Class of C2‐Symmetrical Biheteroaryls by Ammonium Cerium(IV) Nitrate Mediated Dimerization of 2‐(Furan‐3‐yl)pyrroles.
  87. Gold/Acid‐Cocatalyzed Regiodivergent Preparation of Bridged Ketals via Direct Bis‐Oxycyclization of Alkynic Acetonides
  88. Cross‐Coupling/Cyclization Reactions of Two Different Allenic Moieties
  89. ChemInform Abstract: Exploiting [2 + 2] Cycloaddition Chemistry: Achievements with Allenes
  90. Indium‐Promoted Allylation Reaction of Imino‐Isatins in Aqueous Media: Synthesis of Quaternary 3‐Aminooxindoles
  91. ChemInform Abstract: Four‐Membered Ring Systems
  92. Divergent Reactivity of 2‐Azetidinone‐Tethered Allenols with Electrophilic Reagents: Controlled Ring Expansion versus Spirocyclization
  93. ChemInform Abstract: Rhodium‐Catalyzed Synthesis of 3‐Hydroxy‐β‐lactams via Oxonium Ylide Generation: Three‐Component Reaction Between Azetidine‐2,3‐diones, Ethyl Diazoacetate, and Alcohols.
  94. Synthesis of a New Class of C2‐Symmetrical Biheteroaryls by Ammonium Cerium(IV) Nitrate Mediated Dimerization of 2‐(Furan‐3‐yl)pyrroles
  95. Exploiting [2+2] cycloaddition chemistry: achievements with allenes
  96. Novel Aspects on the Preparation of Spirocyclic and Fused Unusual β-Lactams
  97. ChemInform Abstract: Grubbs′ Ruthenium‐Carbenes Beyond the Metathesis Reaction: Less Conventional Non‐Metathetic Utility
  98. Rhodium-Catalyzed Synthesis of 3-Hydroxy-β-lactams via Oxonium Ylide Generation: Three-Component Reaction between Azetidine-2,3-diones, Ethyl Diazoacetate, and Alcohols
  99. ChemInform Abstract: Four‐Membered Ring Systems
  100. Lewis Acid‐Assisted Ene Cyclization of 2‐Azetidinone‐Tethered Enals: Synthesis of Enantiopure Carbacepham Derivatives
  101. Generating Complexity from Simplicity: Pd‐Catalyzed or Cu‐Promoted Domino Alkyne Homocoupling/Double [2+2] Allenyne Cycloaddition
  102. Metal‐Catalyzed Cyclization of β‐ and γ‐Allenols Derived from D‐Glyceraldehyde—Synthesis of Enantiopure Dihydropyrans and Tetrahydrooxepines: An Experimental and Theoretical Study
  103. Grubbs’ Ruthenium-Carbenes Beyond the Metathesis Reaction: Less Conventional Non-Metathetic Utility
  104. ChemInform Abstract: Synthesis of Spiroheterocycles by Palladium‐Catalyzed Domino Cycloisomerization/Cross‐Coupling of α‐Allenols and Baylis—Hillman Acetates.
  105. ChemInform Abstract: Chemo‐ and Regioselective Palladium‐Catalyzed Oxycyclization Reactions of Allendiols: Preparation of Five‐, Six‐, and Eight‐Membered Cycles.
  106. Ana de San Bartolomé. Autobiography and Other Writings . Ed. and trans. Darcy Donahue. The Other Voice in Early Modern Europe. Chicago: The University of Chicago Press, 2008. xxviii + 168 pp. index. bibl. $19. ISBN: 978–0–226–14372–9.
  107. ChemInform Abstract: Four‐Membered Ring Systems
  108. Thermic Cope reaction of 2-azetidinone-tethered 1,5-dienes: synthesis of tetrahydroazocinones
  109. Cistadenoma mucinoso de ovario
  110. Synthesis of Spiroheterocycles by Palladium‐Catalyzed Domino Cycloisomerization/Cross‐Coupling of α‐Allenols and Baylis–Hillman Acetates
  111. Chemo‐ and Regioselective Palladium‐Catalyzed Oxycyclization Reactions of Allendiols: Preparation of Five‐, Six‐, and Eight‐Membered Cycles
  112. Regioselectivity Control in the Metal‐Catalyzed Functionalization of γ‐Allenols, Part 2: Theoretical Study
  113. Regioselectivity Control in the Metal‐Catalyzed OC Functionalization of γ‐Allenols, Part 1: Experimental Study
  114. Chapter 4: Four-Membered Ring Systems
  115. Chapter 4: Four-Membered Ring Systems
  116. ChemInform Abstract: Direct Synthesis of Protected Enantiopure 5‐Cyano‐3,4‐dihydroxyprrolidin‐2‐ones from β‐Lactam Aldehydes Catalyzed by Iodine.
  117. ChemInform Abstract: Indium‐Promoted Acyloxyallylation Reaction of Azetidine‐2,3‐diones in Aqueous Media: A New Route to Densely Functionalized 3‐Substituted 3‐Hydroxy‐β‐lactams.
  118. ChemInform Abstract: Pd(II)‐Catalyzed Domino Heterocyclization/Cross‐Coupling of α‐Allenols and α‐Allenic Esters: Efficient Preparation of Functionalized Buta‐1,3‐dienyl Dihydrofurans.
  119. Chemodivergence in Alkene/Allene Cycloetherification of Enallenols: Iron versus Noble Metal Catalysis
  120. Direct Synthesis of Protected Enantiopure 5-Cyano-3,4-dihydroxypyrrolidin-2-ones from β-Lactam Aldehydes Catalyzed by Iodine
  121. Indium‐Promoted Acyloxyallylation Reaction of Azetidine‐2,3‐diones in Aqueous Media: A New Route to Densely Functionalized 3‐Substituted 3‐Hydroxy‐β‐lactams
  122. ChemInform Abstract: Organocatalytic Reactions with Acetaldehyde
  123. ChemInform Abstract: Stereoselective NaN3‐Catalyzed Halonitroaldol‐Type Reaction of Azetidine‐2,3‐diones in Aqueous Media.
  124. ChemInform Abstract: Highly Stereoselective Metal‐Mediated Entry to Functionalized Tetrahydrothiophenes by Barbier‐Type Carbonyl‐Addition Reactions.
  125. PdII‐Catalyzed Domino Heterocyclization/Cross‐Coupling of α‐Allenols and α‐Allenic Esters: Efficient Preparation of Functionalized Buta‐1,3‐dienyl Dihydrofurans
  126. Organokatalytische Reaktionen mit Acetaldehyd
  127. Organocatalytic Reactions with Acetaldehyde
  128. ChemInform Abstract: I2‐Catalyzed Enantioselective Ring Expansion of β‐Lactams to γ‐Lactams Through a Novel C3—C4 Bond Cleavage. Direct Entry to Protected 3,4‐Dihydroxypyrrolidin‐2‐one Derivatives.
  129. Highly Stereoselective Metal‐Mediated Entry to Functionalized Tetrahydrothiophenes by Barbier‐Type Carbonyl‐Addition Reactions
  130. Synthesis of 4-Hydroxypipecolic Acid β-Lactam Analogues from Oxoazetidines
  131. ChemInform Abstract: New Regiocontrolled Synthesis of Functionalized Pyrroles from 2‐Azetidinone‐Tethered Allenols.
  132. Iodine-Catalyzed Enantioselective Synthesis of Pyrrolidin-2-ones from β-Lactams
  133. ChemInform Abstract: Direct Organocatalytic Synthesis of Enantiopure Succinimides from β‐Lactam Aldehydes Through Ring Expansion Promoted by Azolium Salt Precatalysts.
  134. Synthesis of Novel Bis(β‐lactam)‐1,3‐diynes by Copper‐Promoted Homo‐ or Cross‐Coupling of Alkynyl‐2‐azetidinones
  135. Synthesis of Substituted Pyrroles from 2-Azetidinone Allenols
  136. ChemInform Abstract: Stereocontrolled Access to Orthogonally Protected anti,anti‐4‐Aminopiperidine‐3,5‐diols Through Chemoselective Reduction of Enantiopure β‐Lactam Cyanohydrins.
  137. ChemInform Abstract: β‐Lactams: Versatile Building Blocks for the Stereoselective Synthesis of Non‐β‐Lactam Products
  138. Synthesis of Novel Enantiopure 4-Hydroxypipecolic Acid Derivatives with a Bicyclic β-Lactam Structure from a Common 3-Azido-4-oxoazetidine-2-carbaldehyde Precursor
  139. Stereoselective NaN3-catalyzed halonitroaldol-type reaction of azetidine-2,3-diones in aqueous media
  140. Chapter 4 Four-membered ring systems
  141. I2-Catalyzed enantioselective ring expansion of β-lactams to γ-lactams through a novel C3–C4 bond cleavage. Direct entry to protected 3,4-dihydroxypyrrolidin-2-one derivatives
  142. Humic Substances
  143. Carbon Sequestration in Soil
  144. New Regiocontrolled Synthesis of Functionalized Pyrroles from 2‐Azetidinone‐Tethered Allenols
  145. Metal‐Catalyzed Regiodivergent Cyclization of γ‐Allenols: Tetrahydrofurans versus Oxepanes.
  146. Allene Substitution‐Controlled Switching of Dimerization to Cycloisomerization in the PdII‐Catalyzed Reaction of Terminal α‐Allenones
  147. Stereocontrolled Access to Orthogonally Protected anti,anti-4-Aminopiperidine-3,5-diols through Chemoselective Reduction of Enantiopure β-Lactam Cyanohydrins
  148. Allene Substitution‐Controlled Switching of Dimerization to Cycloisomerization in the Pd(II)‐Catalyzed Reaction of Terminal α‐Allenones.
  149. Metal‐Catalyzed Regiodivergent Cyclization of γ‐Allenols: Tetrahydrofurans versus Oxepanes
  150. Metal‐Catalyzed Regiodivergent Cyclization of γ‐Allenols: Tetrahydrofurans versus Oxepanes
  151. β-Lactams:  Versatile Building Blocks for the Stereoselective Synthesis of Non-β-Lactam Products
  152. Organocatalytic Direct Aldol and Nitroaldol Reactions Between Azetidine‐2,3‐diones and Ketones or Nitromethane.
  153. N1–C4 β‐Lactam Bond Cleavage in the 2‐(Trimethylsilyl)thiazole Addition to β‐Lactam Aldehydes: Asymmetric Synthesis of Spiranic and Tertiary α‐Alkoxy‐γ‐keto Acid Derivatives
  154. Diversity‐Oriented Preparation of Enantiopure Spirocyclic 2‐Azetidinones from α‐Oxo‐β‐lactams Through Barbier‐Type Reactions Followed by Metal‐Catalyzed Cyclizations.
  155. Carbonyl Allenylation/Free Radical Cyclization Sequence as a New Regio‐ and Stereocontrolled Access to Bi‐ and Tricyclic β‐Lactams
  156. Allene Substitution‐Controlled Switching of Dimerization to Cycloisomerization in the PdII‐Catalyzed Reaction of Terminal α‐Allenones
  157. Organocatalytic direct aldol and nitroaldol reactions between azetidine-2,3-diones and ketones or nitromethane
  158. Diversity‐Oriented Preparation of Enantiopure Spirocyclic 2‐Azetidinones from α‐Oxo‐β‐lactams through Barbier‐Type Reactions followed by Metal‐Catalyzed Cyclizations
  159. Carbonyl Allenylation/Free Radical Cyclization Sequence as a New Regio- and Stereocontrolled Access to Bi- and Tricyclic β-Lactams
  160. 4‐Membered Ring Systems
  161. Direct organocatalytic synthesis of enantiopure succinimides from β-lactam aldehydes through ring expansion promoted by azolium salt precatalysts
  162. Four-membered ring systems
  163. Four‐Membered Ring Systems
  164. Domino Metal‐Free Allene‐β‐lactam‐Based Access to Functionalized Pyrroles.
  165. Proline‐Catalyzed Diastereoselective Direct Aldol Reaction Between 4‐Oxoazetidine‐2‐carbaldehydes and Ketones.
  166. Reaction of Two Different α‐Allenols in a Heterocyclization/Cross‐Coupling Sequence: Convenient Access to Functionalized Buta‐1,3‐dienyl Dihydrofurans.
  167. Diastereoselective Direct Aldol Reaction Catalyzed by Proline
  168. Efficient Entry to Diversely Functionalized Spirocyclic Oxindoles from Isatins Through Carbonyl‐Addition/Cyclization Reaction Sequences.
  169. A Practical Ruthenium‐Catalyzed Cleavage of the Allyl Protecting Group in Amides, Lactams, Imides, and Congeners.
  170. Reaction of Two Different α‐Allenols in a Heterocyclization/Cross‐Coupling Sequence: Convenient Access to Functionalized Buta‐1,3‐dienyl Dihydrofurans
  171. Reaction of Two Different α‐Allenols in a Heterocyclization/Cross‐Coupling Sequence: Convenient Access to Functionalized Buta‐1,3‐dienyl Dihydrofurans
  172. Proline-Catalyzed Diastereoselective Direct Aldol Reaction between 4-Oxoazetidine-2-carbaldehydes and Ketones
  173. Synthesis of Strained Tricyclic β‐Lactams by Intramolecular [2 + 2] Cycloaddition Reactions of 2‐Azetidinone‐Tethered Enallenols: Control of Regioselectivity by Selective Alkene Substitution.
  174. Pd—Cu Bimetallic Catalyzed Domino Cyclization of α‐Allenols Followed by a Coupling Reaction: New Sequence Leading to Functionalized Spirolactams.
  175. A Practical Ruthenium‐Catalyzed Cleavage of the Allyl Protecting Group in Amides, Lactams, Imides, and Congeners
  176. Efficient Entry to Diversely Functionalized Spirocyclic Oxindoles from Isatins through Carbonyl-Addition/Cyclization Reaction Sequences
  177. Synthesis of Strained Tricyclic β‐Lactams by Intramolecular [2+2] Cycloaddition Reactions of 2‐Azetidinone‐Tethered Enallenols: Control of Regioselectivity by Selective Alkene Substitution
  178. Domino metal-free allene-β-lactam-based access to functionalized pyrroles
  179. Stereoselective Entry to Bicyclic β‐Lactams via Free Radical Cyclization of 2‐Azetidinone‐Tethered Bromohomoallylic Alcohols.
  180. Organocatalytic Ring Expansion of β‐Lactams to γ‐Lactams Through a Novel N1—C4 Bond Cleavage. Direct Synthesis of Enantiopure Succinimide Derivatives.
  181. Synthesis of Fused or Not β‐Lactam‐biaryl Hybrids by Free Radical Aryl—Aryl Coupling of 2‐Azetidinone‐tethered Haloarenes.
  182. Diastereoselectivity Enhancement in the 1,3-Cycloaddition of β-Lactam Aldehydes. Application to the Synthesis of Enantiopure Indolizidinone Amino Esters
  183. Pd–Cu Bimetallic Catalyzed Domino Cyclization of α‐Allenols Followed by a Coupling Reaction: New Sequence Leading to Functionalized Spirolactams
  184. Metal‐Mediated Entry to Functionalized 3‐Substituted 3‐Hydroxyindolin‐2‐ones via Regiocontrolled Carbonylallylation, Bromoallylation, 1,3‐Butadien‐2‐ylation, Propargylation, or Allenylation Reactions of Isatins in Aqueous Media.
  185. Organocatalytic Ring Expansion of β-Lactams to γ-Lactams through a Novel N1−C4 Bond Cleavage. Direct Synthesis of Enantiopure Succinimide Derivatives
  186. Synthesis of fused or not β-lactam-biaryl hybrids by free radical aryl–aryl coupling of 2-azetidinone-tethered haloarenes
  187. Chemoselective Deprotection of Allylic Amines Catalyzed by Grubbs′ Carbene.
  188. Novel Carbonyl Bromoallylation/Heck Reaction Sequence. Stereocontrolled Access to Bicyclic β‐Lactams.
  189. Free Radical Synthesis of Benzofused Tricyclic β‐Lactams by Intramolecular Cyclization of 2‐Azetidinone‐Tethered Haloarenes.
  190. Stereoselective Synthesis of 1,2,3‐Trisubstituted 1,3‐Dienes Through Novel [3,3]‐Sigmatropic Rearrangements in α‐Allenic Methanesulfonates: Application to the Preparation of Fused Tricyclic Systems by Tandem Rearrangement/Diels—Alder Reaction.
  191. Metal-Mediated Entry to Functionalized 3-Substituted 3-Hydroxyindolin-2-ones via Regiocontrolled Carbonylallylation, Bromoallylation, 1,3-Butadien-2-ylation, Propargylation, or Allenylation Reactions of Isatins in Aqueous Media
  192. Novel Carbonyl Bromoallylation/Heck Reaction Sequence. Stereocontrolled Access to Bicyclic β-Lactams
  193. Free radical synthesis of benzofused tricyclic β-lactams by intramolecular cyclization of 2-azetidinone-tethered haloarenes
  194. Chemoselective Deprotection of Allylic Amines Catalyzed by Grubbs’ Carbene
  195. Chapter 4 Four-membered ring systems
  196. Four-membered ring systems
  197. Stereoselective Entry to Bicyclic β-Lactams via Free Radical Cyclization of 2-Azetidinone-Tethered Bromohomoallylic Alcohols
  198. Stereoselective Synthesis of 1,2,3‐Trisubstituted 1,3‐Dienes through Novel [3,3]‐Sigmatropic Rearrangements in α‐Allenic Methanesulfonates: Application to the Preparation of Fused Tricyclic Systems by Tandem Rearrangement/Diels−Alder Reaction
  199. Four‐Membered Ring Systems
  200. Metal‐Assisted Synthesis of Enantiopure Spirocyclic β‐Lactams from Azetidine‐2,3‐diones.
  201. The Allenic Pauson—Khand Reaction in Synthesis
  202. Novel N1—C4 β‐Lactam Bond Breakage. Synthesis of Enantiopure α‐Alkoxy‐γ‐keto Acid Derivatives.
  203. The Allenic Pauson−Khand Reaction in Synthesis
  204. Metal-assisted synthesis of enantiopure spirocyclic β-lactams from azetidine-2,3-diones
  205. β-Lactams as Versatile Synthetic Intermediates for the Preparation of Heterocycles of Biological Interest
  206. Straightforward Asymmetric Entry to Highly Functionalized 3‐Substituted 3‐Hydroxy‐β‐lactams via Baylis—Hillman or Bromoallylation Reactions.
  207. Synthesis of Optically Pure Highly Functionalized γ‐Lactams via 2‐Azetidinone‐Tethered Iminophosphoranes.
  208. Novel N1−C4 β-Lactam Bond Breakage. Synthesis of Enantiopure α-Alkoxy-γ-keto Acid Derivatives
  209. Ruthenium‐Catalyzed Chemoselective N‐Allyl Cleavage: Novel Grubbs′ Carbene Mediated Deprotection of Allylic Amines.
  210. Novel Ruthenium‐Catalyzed Cleavage of Allyl Protecting Group in Lactams.
  211. Structurally Novel Bi‐ and Tricyclic β‐Lactams via [2 + 2] Cycloaddition or Radical Reactions in 2‐Azetidinone‐Tethered Enallenes and Allenynes.
  212. Synthesis of Optically Pure Highly Functionalized γ-Lactams via 2-Azetidinone-Tethered Iminophosphoranes
  213. Straightforward Asymmetric Entry to Highly Functionalized 3-Substituted 3-Hydroxy-β-lactams via Baylis−Hillman or Bromoallylation Reactions
  214. Ruthenium‐Catalyzed Chemoselective N‐Allyl Cleavage: Novel Grubbs Carbene Mediated Deprotection of Allylic Amines
  215. Novel ruthenium-catalyzed cleavage of allyl protecting group in lactams
  216. Useful Dual Diels—Alder Behavior of 2‐Azetidinone‐Tethered Aryl Imines as Azadienophiles or Azadienes: A β‐Lactam‐Based Stereocontrolled Access to Optically Pure Highly Functionalized Indolizidine Systems.
  217. Structurally Novel Bi- and Tricyclic β-Lactams via [2 + 2] Cycloaddition or Radical Reactions in 2-Azetidinone-Tethered Enallenes and Allenynes
  218. New Aspects of the Indium Chemistry of Carbonyl‐β‐lactams.
  219. Lewis Acid‐Promoted Intermolecular Carbonyl‐ene Reaction of Enantiopure 4‐Oxoazetidine‐2‐carbaldehydes. Rapid Entry to Novel Fused Polycyclic β‐Lactams.
  220. Useful Dual Diels–Alder Behavior of 2‐Azetidinone‐Tethered Aryl Imines as Azadienophiles or Azadienes: A β‐Lactam‐Based Stereocontrolled Access to Optically Pure Highly Functionalized Indolizidine Systems
  221. Non‐Metathetic Behavior Patterns of Grubbs′ Carbene
  222. Asymmetric Synthesis of Unusual Fused Tricyclic β‐Lactam Structures via Aza‐Cycloadditions/Ring Closing Metathesis.
  223. The Direct Catalytic Asymmetric Cross‐Aldol Reaction of Aldehydes.
  224. Lewis Acid-Promoted Intermolecular Carbonyl-ene Reaction of Enantiopure 4-Oxoazetidine-2-carbaldehydes. Rapid Entry to Novel Fused Polycyclic β-Lactams
  225. Efficient Entry to Highly Functionalized β‐Lactams by Regio‐ and Stereoselective 1,3‐Dipolar Cycloaddition Reaction of 2‐Azetidinone‐Tethered Nitrones. Synthetic Applications.
  226. Non‐Metathetic Behavior Patterns of Grubbs' Carbene
  227. Direkte katalytische asymmetrische gekreuzte Aldolreaktion von Aldehyden
  228. The Direct Catalytic Asymmetric Cross‐Aldol Reaction of Aldehydes
  229. Asymmetric Synthesis of Unusual Fused Tricyclic β-Lactam Structures via Aza-Cycloadditions/Ring Closing Metathesis
  230. Recent Advances in the Stereocontrolled Synthesis of Bi‐ and Tricyclic β‐Lactams with Non‐Classical Structure
  231. A Novel One‐Step Approach for the Preparation of α‐Amino Acids, α‐Amino Amides, and Dipeptides from Azetidine‐2,3‐diones.
  232. New Aspects of the Indium Chemistryof Carbonyl-β-lactams
  233. Chapter 4.2 Four-membered ring systems
  234. Cardiac Damage in Hypertensive Patients with Inverse White Coat Hypertension. Hospitalet Study
  235. New Domino Transposition/Intramolecular Diels—Alder Reaction in Monocyclic Allenols: A General Strategy for Tricyclic Compounds.
  236. Efficient Entry to Highly Functionalized β-Lactams by Regio- and Stereoselective 1,3-Dipolar Cycloaddition Reaction of 2-Azetidinone-Tethered Nitrones. Synthetic Applications
  237. ChemInform Abstract: The Direct Catalytic Asymmetric Aldol Reaction
  238. ChemInform Abstract: Metal‐Mediated Carbonyl‐1,3‐butadien‐2‐ylation by 1,4‐Bis(methanesulfonyl)‐2‐butyne or 1,4‐Dibromo‐2‐butyne in Aqueous Media: Asymmetric Synthesis of 3‐Substituted 3‐Hydroxy‐β‐lactams.
  239. ChemInform Abstract: Additions of Allenyl/Propargyl Organometallic Reagents to 4‐Oxoazetidine‐2‐carbaldehydes: Novel Palladium‐Catalyzed Domino Reactions in Allenynes.
  240. ChemInform Abstract: 4‐Oxoazetidine‐2‐carbaldehydes as Useful Building Blocks in Stereocontrolled Synthesis
  241. New domino transposition/intramolecular Diels–Alder reaction in monocyclic allenols: a general strategy for tricyclic compounds
  242. ChemInform Abstract: Selective Bond Cleavage of the β‐Lactam Nucleus: Application in Stereocontrolled Synthesis
  243. ChemInform Abstract: A Novel Use of Grubbs′ Carbene. Application to the Catalytic Deprotection of Tertiary Allylamines.
  244. ChemInform Abstract: An Efficient Synthesis of Highly Functionalized 4‐Substituted 2‐Azetidinones by a Stereoselective Intermolecular Diels—Alder Reaction of Different Types of 2‐Azetidinone‐Tethered Dienes.
  245. Recent Advances in the Stereocontrolled Synthesis of Bi- and Tricyclic-β-Lactams with Non-Classical Structure
  246. Metal-Mediated Carbonyl-1,3-butadien-2-ylation by 1,4-Bis(methanesulfonyl)-2-butyne or 1,4-Dibromo-2-butyne in Aqueous Media:  Asymmetric Synthesis of 3-Substituted 3-Hydroxy-β-lactams
  247. ChemInform Abstract: Dual Behavior of 2‐Azetidinone‐Tethered Arylimines as Azadienophiles or Azadienes. Application to the Asymmetric Synthesis of Indolizidine‐Type Systems.
  248. Selective Bond Cleavage of the β-Lactam Nucleus: Application in Stereocontrolled Synthesis
  249. ChemInform Abstract: Metal‐Promoted Allylation, Propargylation, or Allenylation of Azetidine‐2,3‐diones in Aqueous and Anhydrous Media. Application to the Asymmetric Synthesis of Densely Functionalized 3‐Substituted 3‐Hydroxy‐β‐lactams.
  250. A Novel Use of Grubbs' Carbene. Application to the Catalytic Deprotection of Tertiary Allylamines
  251. ChemInform Abstract: Recent Progress in the Synthesis and Reactivity of Azetidine‐2,3‐diones
  252. ChemInform Abstract: Unusual Fused Tricyclic 2‐Azetidinones: Stereocontrolled Synthesis of Rigid Dipeptide Surrogates from β‐Lactam‐Tethered Imines via Sequential Cycloaddition/Ring‐Closing Metathesis.
  253. RECENT PROGRESS IN THE SYNTHESIS AND REACTIVITY OF AZETIDINE-2,3-DIONES. A REVIEW
  254. ChemInform Abstract: Straightforward Asymmetric Entry to Highly Functionalized Medium‐Sized Rings Fused to β‐Lactams via Chemo‐ and Stereocontrolled Divergent Radical Cyclization of Baylis—Hillman Adducts Derived from 4‐Oxoazetidine‐2‐carbaldehydes.
  255. Metal-Promoted Allylation, Propargylation, or Allenylation of Azetidine-2,3-diones in Aqueous and Anhydrous Media. Application to the Asymmetric Synthesis of Densely Functionalized 3-Substituted 3-Hydroxy-β-lactams
  256. ChemInform Abstract: General and Efficient Synthesis of β‐Lactams Bearing a Quinone Moiety at N1, C3 or C4 Positions.
  257. ChemInform Abstract: Synthesis of the C(17)—C(27) Fragment of the 20‐Deoxybryostatins.
  258. Straightforward Asymmetric Entry to Highly Functionalized Medium-Sized Rings Fused to β-Lactams via Chemo- and Stereocontrolled Divergent Radical Cyclization of Baylis−Hillman Adducts Derived from 4-Oxoazetidine-2-carbaldehydes
  259. General and efficient synthesis of β-lactams bearing a quinone moiety at N1, C3 or C4 positions
  260. Rapid and Stereocontrolled Synthesis of Racemic and Optically Pure Highly Functionalized Pyrrolizidine Systems via Rearrangement of 1,3-Dipolar Cycloadducts Derived from 2-Azetidinone-Tethered Azomethine Ylides
  261. 4-Oxoazetidine-2-carbaldehydes as useful building blocks in stereocontrolled synthesis
  262. Dual Behavior of 2-Azetidinone-Tethered Arylimines as Azadienophiles or Azadienes. Application to the Asymmetric Synthesis of Indolizidine-Type Systems
  263. Unusual Fused Tricyclic 2-Azetidinones: Stereocontrolled Synthesis of Rigid Dipeptide Surrogates from β-Lactam-Tethered Imines via Sequential Cycloaddition/Ring-Closing Metathesis
  264. Synthesis of the C(17)–C(27) fragment of the 20-deoxybryostatins
  265. ChemInform Abstract: Thermally Induced Isomerization of cis‐1,3,4‐Trisubstituted 2‐Azetidinones.
  266. ChemInform Abstract: Stereoselective Allylation of 4‐Oxoazetidine‐2‐carbaldehydes. Application to the Stereocontrolled Synthesis of Fused Tricyclic β‐Lactams via Intramolecular Diels—Alder Reaction of 2‐Azetidinone‐Tethered Trienes.
  267. ChemInform Abstract: Regio‐ and Stereocontrolled Metal‐Mediated Carbonyl Propargylation or Allenylation of Enantiomerically Pure Azetidine‐2,3‐diones: Synthesis of Highly Functionalized 3‐Substituted 3‐Hydroxy‐β‐lactams.
  268. ChemInform Abstract: Unusual Reaction of Azetidine‐2,3‐diones with Primary Amines. Straightforward Asymmetric Synthesis of α‐Amino Acid and Peptide Derivatives.
  269. ChemInform Abstract: 1,3‐Dipolar Cycloaddition of 2‐Azetidinone‐tethered Azomethine Ylides. Application to the Rapid, Stereocontrolled Synthesis of Optically Pure Highly Functionalized Pyrrolizidine Systems.
  270. Thermally Induced Isomerization ofcis-1,3,4-Trisubstituted 2-Azetidinones
  271. Stereoselective Allylation of 4-Oxoazetidine-2-carbaldehydes. Application to the Stereocontrolled Synthesis of Fused Tricyclic β-Lactams via Intramolecular Diels−Alder Reaction of 2-Azetidinone-Tethered Trienes
  272. Regio- and Stereocontrolled Metal-Mediated Carbonyl Propargylation or Allenylation of Enantiomerically Pure Azetidine-2,3-diones:  Synthesis of Highly Functionalized 3-Substituted 3-Hydroxy-β-lactams
  273. ChemInform Abstract: Novel Diethylaluminum Chloride Promoted Reactions of the Azetidine Ring: Efficient and Stereocontrolled Entry to Functionalized Olefins, Pyrrolidines, and Pyrroles.
  274. ChemInform Abstract: Diastereoselective Baylis—Hillman Reaction of 4‐Oxoazetidine‐2‐carbaldehydes: Rapid, Stereocontrolled and Divergent Radical Synthesis of Highly Functionalized β‐Lactams Fused to Medium Rings.
  275. ChemInform Abstract: Asymmetric Synthesis of Densely Functionalized 3‐Substituted 3‐Hydroxy‐β‐lactams via Novel, Highly Stereoselective Baylis—Hillman and Allylation Reactions of Enantiopure 3‐Oxo‐2‐azetidinones.
  276. 1,3-Dipolar cycloaddition of 2-azetidinone-tethered azomethine ylides. Application to the rapid, stereocontrolled synthesis of optically pure highly functionalised pyrrolizidine systems
  277. Unusual reaction of azetidine-2,3-diones with primary amines. Straightforward asymmetric synthesis of α-amino acid and peptide derivatives
  278. Novel Diethylaluminum Chloride Promoted Reactions of the Azetidine Ring:  Efficient and Stereocontrolled Entry to Functionalized Olefins, Pyrrolidines, and Pyrroles
  279. Asymmetric synthesis of densely functionalized 3-substituted 3-hydroxy-β-lactams via novel, highly stereoselective Baylis-Hillman and allylation reactions of enantiopure 3-oxo-2-azetidinones
  280. ChemInform Abstract: New Synthesis of Fused Tricyclic 2‐Azetidinones Using Stereoselective Allylation of cis‐4‐Formyl‐β‐lactams and Intramolecular Diels—Alder Reaction.
  281. New synthesis of fused tricyclic 2-azetidinones using stereoselective allylation of cis-4-formyl-β-lactams and intramolecular Diels-Alder reaction
  282. Diastereoselective Baylis–Hillman reaction of 4-oxoazetidine-2-carbaldehydes: rapid, stereocontrolled and divergent radical synthesis of highly functionalised β-lactams fused to medium rings
  283. ChemInform Abstract: Stereoselectivity of Reactions of Alkoxyallylstannanes and Alkoxy Aldehydes.
  284. On the stereoselectivity of reactions of alkoxyallylstannanes and alkoxy aldehydes
  285. Stereoselective synthesis of 4-alkoxy-3-methylidenealkanols using reactions between 2-(1-alkoxyalkyl)propenylstannanes and aldehydes: X-ray crystal structure of (1R,4R)-3-methylidene-1-(4-nitrophenyl)pentane-1,4-diol
  286. Iminophosphorane-mediated syntheses of the fascaplysin alkaloid of marine origin and nitramarine
  287. An iminophosphorane-mediated efficient synthesis of the alkaloid leucettamine B of marine origin
  288. Iminophosphorane-mediated imidazole ring formation: A new and general entry to aplysinopsin-type alkaloids of marine origin.
  289. ChemInform Abstract: Iminophosphorane‐Mediated Synthesis of the Genotoxic Heterocyclic Amine Trp‐P‐2.
  290. Iminophosphorane-mediated synthesis of the genotoxic heterocyclic amine Trp-P-2.
  291. Fused carbazoles by tandem Aza Wittig/electrocyclic ring closure. Preparation of 6H-pyrido[4,3-b] carbazole, 11H-pyrido[4,3-a]carbazole and 11H-pyrido[3,4-a]carbazole derivatives
  292. Iminophosphorane-mediated Synthesis of Oxazole Alkaloids: One-Step Preparation of O-Methylhalfordinol and Annuloline
  293. Iminophosphorane-Mediated Synthesis of 3-(Oxazol-5-yl)indoles: Application to the Preparation of Pimprinine Type Alkaloids
  294. A simple and general entry to Aplysinopsine- type alkaloids by tandem Aza-Wittig/heterocumulene-mediated annelation.
  295. Iminophosphorane-mediated synthesis of fused carbazoles. A facile one-pot preparation of 7H-pyrido [4,3-c]carbazole and 10H-pyrido[3,4-b]carbazole derivatives.
  296. Review: Diary of a Cameraman by Nestor Almendros
  297. Review: Un Homme a la Camera by Nestor Almendros
  298. Casa de campo. Urbanización «Los Almendros», Valsequillo, Gran Canaria
  299. Campo de los almendros
  300. User Interaction and Interface Design with UML