All Stories

  1. ChemInform Abstract: One-Pot Sequential Organocatalytic Michael-Tishchenko-Lactonization Reactions. Synthesis of Enantioenriched 4,5,6-Trisubstituted δ-Lactones.
  2. Recoverable organocatalysts for enantioselective transformations
  3. The organocatalyzed domino Michael–aldol reaction revisited. Synthesis of enantioenriched 3-hydroxycyclohexanone derivatives by reaction of enals with α,α′-diaryl-substituted acetone
  4. ChemInform Abstract: Novel Sulfonylpolystyrene-Supported Prolinamides as Catalysts for Enantioselective Aldol Reaction in Water.
  5. Novel sulfonylpolystyrene-supported prolinamides as catalysts for enantioselective aldol reaction in water
  6. Novel supported and unsupported prolinamides as organocatalysts for enantioselective cyclization of triketones
  7. (−)-8-Amino menthol-derived perhydrobenzoxazines as chiral templates and masked aldehydes in the diastereoselective intermolecular Pauson–Khand reaction
  8. Direct Experimental Evidence for the Epimerization of Diastereoisomers in the Enantioselective Organocatalyzed Michael Addition of Acetoacetates to Nitroolefins
  9. ChemInform Abstract: Stereocontrolled Construction of Quaternary Stereocenters by Inter- and Intramolecular Nitro-Michael Additions Catalyzed by Bifunctional Thioureas.
  10. Highly diastereo- and enantioselective direct Barbas–List aldol reactions promoted by novel benzamidoethyl and benzamidopropyl prolinamides in water
  11. Stereocontrolled Construction of Quaternary Stereocenters by Inter- and Intramolecular Nitro-Michael Additions Catalyzed by Bifunctional Thioureas
  12. ChemInform Abstract: Synthesis of Enantiopure Highly Substituted trans-8a-Hydroxydecahydroisoquinolines by Sequential Diastereoselective IMDA Reaction and Oxanorbornene Nucleophilic Ring Opening.
  13. ChemInform Abstract: Tributyltin Radical-Induced Addition-Carbocyclization on Chiral Perhydro-1,3-benzoxazines: A Facile Entry to Enantiopure Tin-Containing Auxiliaries.
  14. ChemInform Abstract: Diastereoselective Aldol Condensation with 2-(β-Ethoxycarbonyl)oxazolidine Derived from Norephedrine. A Chiral Masked Synthon of Ethyl Formylacetate.
  15. ChemInform Abstract: Regio- and Stereoselective 5-exo Radical Cyclizations on a Chiral Perhydro-1,3-benzoxazine Moiety. An Access to Enantiopure 3-Alkylpyrrolidines.
  16. ChemInform Abstract: A Novel Approach to Chiral, Nonracemic Pyrrolidines by 5-exo-trig Diastereoselective Radical Cyclization on Acrylamides Derived from (-)-8-Aminomenthol.
  17. ChemInform Abstract: Thermal and Lewis Acid Catalyzed Diastereoselective Intramolecular Diels-Alder Reaction on α,β-Unsaturated Amides Derived from (-)-8-Aminomenthol.
  18. ChemInform Abstract: Efficient Synthesis of syn-Aziridino Alcohols by Chelation-Controlled Addition of Dialkylzincs and Grignard Reagents to N-Benzylaziridino Aldehydes.
  19. ChemInform Abstract: A Short Diastereoselective Synthesis of Enantiopure Highly Substituted Tetrahydroepoxyisoindolines.
  20. ChemInform Abstract: Synthesis of Chiral, Non-racemic Aldols from Chiral β-Hydroxy-Weinreb Amides Prepared by Enantioselective Reformatsky-Like Reaction Induced by Chiral β-Aminoalcohols.
  21. ChemInform Abstract: A Novel Straightforward Synthesis of Enantiopure Tetrahydroisoquinoline Alkaloids.
  22. ChemInform Abstract: Synthesis of Enantiopure Mono- and Disubstituted Tetrahydroisoquinolines by 6-exo Radical Cyclizations.
  23. ChemInform Abstract: Diastereoselective Synthesis of Enantiopure γ-Amino-β-hydroxy Acids by Reformatsky Reaction of Chiral α-Dibenzylamino Aldehydes.
  24. ChemInform Abstract: Stereocontrolled IMDA Reaction of Styrene Derivatives. A Way to Enantiopure 3a,4,9,9a-Tetrahydrobenz[f]isoindolines.
  25. ChemInform Abstract: Novel Bifunctional Chiral Urea and Thiourea Derivatives as Organocatalysts: Enantioselective Nitro-Michael Reaction of Malonates and Diketones.
  26. Novel Bifunctional Chiral Urea and Thiourea Derivatives as Organocatalysts: Enantioselective Nitro-Michael Reaction of Malonates and Diketones
  27. Asymmetric Addition of Chiral 1,3,2-Benzoxazaphosphinine 2-Oxides to Aldehydes: Diastereoselective Synthesis of α-Substituted β-Hydroxyphosphonic Acids.
  28. Asymmetric Addition of Chiral 1,3,2-Benzoxazaphosphinine 2-Oxides to Aldehydes: Diastereoselective Synthesis of α-Substituted β-Hydroxyphosphonic Acids
  29. Synthesis of Enantioenriched 2- and 2,6-Substituted Piperidin-3-ols from α-Dibenzylamino Aldehydes
  30. Short and Efficient Diastereoselective Synthesis of Enantiopure 1-Substituted 1H-2-Benzopyrans.
  31. A Direct Efficient Diastereoselective Synthesis of Enantiopure 3-Substituted-isobenzofuranones.
  32. An Efficient and Diastereoselective Intramolecular 1,3-Dipolar Cycloaddition of Cyclic Azomethine Ylides and Nitrones.
  33. Diastereoselective Syntheses of 2-Amino Propargyl Alcohols. Chiral Building Blocks for Enantiopure Amino γ-Lactones and 5-Hydroxy-piperidinone Derivatives.
  34. Short and Efficient Diastereoselective Synthesis of Enantiopure 1-Substituted 1H-2-Benzopyrans
  35. A direct efficient diastereoselective synthesis of enantiopure 3-substituted-isobenzofuranones
  36. Chiral Perhydro-1,3-benzoxazines: Powerful Auxiliaries in Asymmetric Synthesis of Nitrogen Heterocycles
  37. Regio- and Stereoselective Methoxyselenenylation of Chiral 2-Vinyl Perhydro-1,3-benzoxazines Promoted by Selenium-Heteroatom Nonbonded Interactions.
  38. Diastereoselective synthesis of enantioenriched homopropargyl amino alcohols from α-dibenzylamino aldehydes and their use as chiral synthons
  39. Diastereoselective Ethynylation of Chiral α-(Dibenzylamino) Aldehydes: Synthesis ofmeso- and HomochiralC2-Symmetrical 1,6-Diamino-2,5-diols
  40. An Efficient Synthesis of Enantiomerically Enriched Trifluoromethylated 1,2-Diols and 1,2-Amino Alcohols with Quaternary Stereocenters by Diastereoselective Addition of TMSCF3 to Chiral 2-Acyl-1,3-perhydrobenzoxazines.
  41. Diastereoselective syntheses of 2-amino propargyl alcohols. Chiral building blocks for enantiopure amino γ-lactones and 5-hydroxy-piperidinone derivatives
  42. An Efficient and Diastereoselective Intramolecular 1,3-Dipolar Cycloaddition of Cyclic Azomethine Ylides and Nitrones
  43. An Efficient Synthesis of Enantiomerically Enriched Trifluoromethylated 1,2-Diols and 1,2-Amino Alcohols with Quaternary Stereocenters by Diastereoselective Addition of TMSCF 3 to Chiral 2-Acyl-1,3-perhydrobenzoxazines
  44. Diastereoselective Alkylation of Chiral Perhydro 1,3,2-Oxazabenzophos­phorinane-2-oxides Derived from (-)-8-Amino Menthol
  45. Diastereoselective Yang Photocyclization Reactions in Solution. Synthesis of Enantiopure Azetidin-3-ol Derivatives
  46. Diastereoselective Synthesis ofβ-Amino-α-(trifluoromethyl) Alcohols from Homochiralα-Dibenzylamino Aldehydes
  47. Base-Dependent Regio- and Diastereoselective Alkylation of Chiral Perhydro 1,3,2-Oxazabenzophosphorinane-2-oxides Derived from (-)-8-Benzylamino Menthol
  48. Diastereoselective Cyclization of γ-δ Epoxyketones with (-)-Phenylglycinol: Synthesis of Both Enantiomers of cis -5-Alkyl-2-hydroxymethyl Pyrrolidines
  49. Total Regio- and Stereoselective Synthesis of Perhydropyrrolo[3,4-c]pyrazole Derivatives by [3 + 2] Intramolecular Dipolar Cycloaddition Reaction on Chiral Perhydro-1,3-benzoxazines.
  50. Manipulating L-Aspartic and L-Glutamic Acids — Diastereoselective Synthesis of Enantiopure β-Amino-γ-hydroxy Acids and γ-Amino-δ-hydroxy Acids.
  51. Regio- and diastereoselective tandem addition–carbocyclization promoted by sulfanyl radicals on chiral perhydro-1,3-benzoxazines
  52. A Novel and Efficient Oxidation of 1,2-Amino Alcohols to Dialkylamides.
  53. Temperature- and Time-Dependent Stereochemical Control in Thermally Induced Keto−Ene Cyclizations
  54. Total Regio- and StereoselectiveSynthesis of Perhydropyrrolo[3,4- c ]pyrazole Derivativesby [3+2] Intramolecular Dipolar CycloadditionReaction on Chiral Perhydro-1,3-benzoxazines
  55. A Novel Synthesis of Enantiopure Octahydropyrrolo[3,4‐b]pyrroles by Intramolecular [3 + 2] Dipolar Cycloaddition on Chiral Perhydro‐1,3‐benzoxazines.
  56. A Novel Synthesis of Enantiopure Octahydropyrrolo[3,4-b]pyrroles by Intramolecular [3 + 2] Dipolar Cycloaddition on Chiral Perhydro-1,3-benzoxazines
  57. Stereocontrolled IMDA Reaction of Styrene Derivatives. A Way to Enantiopure 3a,4,9,9a-Tetrahydrobenz[ f ]isoindolines
  58. Unexpected Rearrangement in the Heck Cyclization of Positional Isomers of Chiral 2,3-Disubstituted Perhydro-1,3-benzoxazines
  59. Diastereoselective synthesis of enantiopure γ-amino-β-hydroxy acids by Reformatsky reaction of chiral α-dibenzylamino aldehydes
  60. Stereoselective synthesis of (5S,6S)- and (5S,6R)-aza-muricatacin from an l-glutamic acid derivative
  61. Synthesis of enantiopure mono- and disubstituted tetrahydroisoquinolines by 6-exo radical cyclizations
  62. ChemInform Abstract: A Simple Stereoselective Synthesis of Enantiopure 2-Substituted Pyrrolidines and Piperidines from Chiral (R)-Phenylglycinol-Derived Bicyclic 1,3-Oxazolidines.
  63. A Novel Straightforward Synthesis of Enantiopure Tetrahydroisoquinoline Alkaloids
  64. A Novel Case of Diastereoselection in 5-exo Radical Cyclization Promoted by Hydrogen Bonding
  65. ChemInform Abstract: Stereocontrolled Ring Enlargement by Diastereoselective Stevens Rearrangement in Chiral 1,3-Oxazolidinium Salts. A Novel Entry to Enantiopure Morpholines.
  66. Regio- and stereoselective 6-exo-trig radical cyclisations onto chiral perhydro-1,3-benzoxazines: synthesis of enantiopure 3-alkylpiperidines
  67. A Practical Stereoselective Synthesis of both Enantiomers of Threo- and Erythro-β-Hydroxy Norvaline from (S)-Serine Derivatives
  68. Synthesis of Chiral, Non-racemic Aldols from Chiral β-Hydroxy-Weinreb Amides Prepared by Enantioselective Reformatsky-like Reaction Induced by Chiral β-Aminoalcohols
  69. A Short Diastereoselective Synthesis of Enantiopure Highly Substituted Tetrahydroepoxyisoindolines †
  70. Efficient synthesis of syn-aziridino alcohols by chelation-controlled addition of dialkylzincs and Grignard reagents to N-benzylaziridino aldehydes
  71. Synthesis of enantiopure 3-alkyl-perhydroazepines by diastereoselective 7-endo-radical cyclisation on a chiral 1,3-perhydrobenzoxazine derivative
  72. Diastereoselective aldol condensation with 2-(β-ethoxycarbonyl)oxazolidine derived from norephedrine. A chiral masked synthon of ethyl formylacetate
  73. Tributyltin radical-induced addition–carbocyclization on chiral perhydro-1,3-benzoxazines: a facile entry to enantiopure tin-containing auxiliaries
  74. A facile stereodivergent synthesis of threo- and erythro-N,N-dibenzyl sphingosines from (S)-N,N-dibenzyl-O-TBDMS-serinal
  75. Stereodivergent synthesis of all diastereomers of 4-aminoheptane-3,5-diol from (L)-serine
  76. Unexpected Stereoselective 6- exo versus 7 -endo Aryl Radical Cyclisation Controlled by Positional Isomers in a Chiral Octahydro-1,3-benzoxazine Moiety
  77. Enantioselective reformatsky reaction induced by chiral β-amino alcohols
  78. Diastereoselective intramolecular Diels-Alder reaction of the furan diene. A facile access to enantiopure epoxy tetrahydroisoindolines
  79. Diastereoselective 5-exo-trig radical cyclisation on N-Acryloyl-tetrahydro-1,3-oxazines. A novel approach to enantiopure 3-substituted pyrrolidines
  80. Synthesis of Chiral α,α-Difluoro-β-hydroxy Esters by Enantioselective Reformatsky Reaction
  81. A diastereoselective approach to enantiopure 3-substituted pyrrolidines from masked lithium homoenolates derived from norephedrine
  82. Elimination versus diastereoselective alkylation in homochiral 2-(β-ethoxy carbonyl) acetals
  83. Synthesis of Enantiopure Primary Amines by Stereoselective Ring Opening of Chiral Octahydro-1,3-benzoxazines by Grignard and Organoaluminum Reagents †
  84. Lithium derivatives from enantiomerically pure 2-(2′-haloethyl) dioxolanes: Formation and use as chiral propanal homoenolate synthons
  85. Easy preparation of enantiopure C2-symmetrical aminoalcohols derived from m-xylylene diamine.
  86. Enantioselective ethylation of aldehydes catalyzed by chiral C2-symmetrical β-hydroxy-m-xylylene diamines
  87. A novel highly diastereoselective synthesis of cyano ethers by regioselective ring opening of chiral oxazolidinium methiodides with sodium cyanide.
  88. A new chiral glycine synthon. Synthesis, x-ray structure of (−).(2S,4R)-2-ethoxycarbonyl-4-phenyl-1,3-oxazolidine and diastereoselective nucleophilic ring opening to (R)-ethyl α-amino carboxylates.
  89. Stereoselective ring opening of chiral oxazolidines by reformatsky reagents: an enantioselective entry to β-amino esters.
  90. Reductive Ring Opening of Ephedrine and Pseudo-Ephedrine-Derived Oxazolidinium Methiodides by Sodium Borohydride. A Direct Access to New Chiral Amine-Borane Adducts
  91. Regioselective Synthesis of 2-Functionalized Thiophenes by Condensation of α-Mercapto Compounds with β-Aminoenone Derivatives
  92. Alkylation of 3,5-Dimethylisothiazole. A Regioselective Synthesis of S-Alkyl-3-methylisothiazoles
  93. Differential reactivity of β-amino enones and 3-dimethylaminoacrylaldehyde towards α-amino derivatives
  94. Diastereoselective Ring Opening of 2-Substituted N -Benzyl-4,4, 7α-trimethyl- trans -octahydro-1,3-benzoxazines by Grignard Reagents. Highly Enantioselective Synthesis of Primary Amines
  95. Nucleophilic Ring Opening of 3-Benzyl-1,3-oxazinanes by Reformatsky Reagents. A Synthesis of β-Amino Ester Derivatives
  96. Some Observations on the Regioselective Ring Opening of Tetrahydro-1,3-oxazinium Methiodides by Sodium Borohydride in Alcholic and Etheral Solvents
  97. The Reaction of b-Aminoenones with a-Amino Derivatives. Synthesis of 2-Functionalized Pyrroles
  98. Some Observations on the Reactivity of b-Aminoenones towards Phenacylamine Hydrochloride
  99. Regioselective Synthesis of 2- and 3-Acylpyrroles by Reaction of b-Aminoenones with a-Aminoketone Hydrochloride
  100. Reaction of 2H-1-Benzopyrans with Organometallic Reagents. Synthesis of 4-(a,g-Dialkyl-b-4-methoxyphenylallyl)resorcins
  101. The Reaction of β-Aminoenones with Cyanamide. A High Efficient Synthesis of 2-Aminopyrimidines
  102. The reaction of β-aminoenones with substituted acetonitriles. Regiospecific synthesis of 2(1H)-pyridones
  103. One-Pot synthesis of unsymmetrically substituted 2,4-dialkylisoflavenes
  104. Cyanogen Bromide as a Useful Brominating Agent, Synthesis of α-Bromo-β-Aminoenones
  105. Asymmetric syntheses of α-amino acids from α-halogenated 10-sulfonamido-isobornyl esters.
  106. Regiospecific synthesis of 1-arylpyrazoles
  107. Stereoselective Synthesis of Aryl-substituted o - Allylphenols