All Stories

  1. Mixed-Ligand Engineering of Manganese Perovskite-like Materials with Tunable Solid−Solid Phase Transitions
  2. Giant electrocaloric response in thiourea under a low electric field in the cryogenic region
  3. POM‐Based Water Splitting Catalyst Under Acid Conditions Driven by Its Assembly on Carbon Nanotubes
  4. Tuning multifunctional stimuli-responsive behaviour through halogen exchange in hybrid ionic [(CH 3 CH 2 ) 3 ...
  5. Recognition of anion-water clusters by peptide-based supramolecular capsules
  6. Sugar-based synthesis of an enantiomorphically pure zeolite
  7. Single-ion magnetism in novel Btp-based cobalt complexes of different charge
  8. Recognition of trimeric anion-water clusters by peptide-based supramolecular capsules
  9. Structure and thermal property relationships in the thermomaterial di-n-butylammonium tetrafluoroborate for multipurpose cooling and cold-storage
  10. Multifunctional [(CH₃)₃S][FeCl4] Plastic Crystal for Solar Thermal and Electric Energy Storage
  11. Multifunctional [(CH₃)₃S][FeCl4] Plastic Crystal for Solar Thermal and Electric Energy Storage
  12. Low temperature glass/crystal transition in ionic liquids determined by H-bond vs. coulombic strength
  13. Multifunctional properties and multi-energy storage in the [(CH3)3S][FeCl4] plastic crystal
  14. Hybrid lead halide [(CH3)2NH2]PbX3(X = Cl−and Br−) hexagonal perovskites with multiple functional properties
  15. A novel amyloid designable scaffold and potential inhibitor inspired by GAIIG of amyloid beta and the HIV-1 V3 loop
  16. [(CH3)2NH2]7Pb4X15 (X = Cl– and Br–), 2D-Perovskite Related Hybrids with Dielectric Transitions and Broadband Photoluminiscent Emission
  17. Phase Transition, Dielectric Properties, and Ionic Transport in the [(CH3)2NH2]PbI3 Organic–Inorganic Hybrid with 2H-Hexagonal Perovskite Structure
  18. Straightforward Synthesis of a Vicinal Double-Bridgehead Iodo Trimethylsilyl Octacycle: Unprecedented Lack of Reactivity of the Silyl Group in the Presence of Fluoride Anions
  19. A simple route to dinuclear complexes containing unusual μ-Nsulfonamidobridges
  20. Structure of the Receptor-Binding Carboxy-Terminal Domain of the Bacteriophage T5 L-Shaped Tail Fibre with and without Its Intra-Molecular Chaperone
  21. A Covalent Organic Helical Cage with Remarkable Chiroptical Amplification
  22. Structure of the Mycobacterium tuberculosis Type II Dehydroquinase N12S mutant (Crystal Form 1)
  23. Structure of the Mycobacterium tuberculosis Type II Dehydroquinase D88N mutant
  24. Structure of the Mycobacterium tuberculosis Type II Dehydroquinase N12S mutant (Crystal Form 2)
  25. Structure of the Mycobacterium tuberculosis Type II Dehydroquinase inhibited by a 3-dehydroquinic acid derivative
  26. Structure of the Mycobacterium tuberculosis Type II Dehydroquinase inhibited by a 3-dehydroquinic acid derivative
  27. High resolution structure of Salmonella typhi type I dehydroquinase
  28. Structure of the Salmonella typhi type I dehydroquinase inhibited by a 3-epiquinic acid derivative
  29. Structure of Salmonella typhi type I dehydroquinase irreversible inhibited with a 1,3,4-trihydroxyciclohexane-1-carboxylic acid derivative
  30. Structure of the Salmonella typhi Type I dehydroquinase inhibited by a 3-dehydroquinic acid derivative
  31. Crystal structure of Mycobacterium tuberculosis type 2 dehydroquinase in complex with(1R,4R,5R)-1,4,5-trihydroxy-3-((1S)-1-hydroxy-2-phenyl) ethylcyclohex-2-en-1-carboxylic acid
  32. Crystal structure of Mycobacterium tuberculosis type 2 dehydroquinase in complex with (1R,4R,5R)-1,4,5-trihydroxy-3-((1R)-1-hydroxy-2- phenyl)ethylcyclohex-2-en-1-carboxylic acid
  33. Crystal structure of Mycobacterium tuberculosis type 2 dehydroquinase in complex with (1R,4R,5R)-1,4,5-trihydroxy-3-hydroxymethylcyclohex-2-ene-1-carboxylic acid
  34. Crystal structure of Mycobacterium tuberculosis type 2 dehydroquinase in complex with (1R,4R,5R)-1,4,5-trihydroxy-3-(2-hydroxy)ethylcyclohex-2-ene-1-carboxylic acid
  35. Preparation and Characterization of a Halogen-Bonded Shape-Persistent Chiral Alleno-acetylenic Inclusion Complex
  36. First-order structural transition in the multiferroic perovskite-like formate [(CH3)2NH2][Mn(HCOO)3]
  37. Design, Synthesis, and Structural Analysis of Turn Modified cyclo-(αβ3αβ2α)2 Peptide Derivatives toward Crystalline Hexagon-Shaped Cationic Nanochannel Assemblies
  38. Mycobacterium tuberculosis Shikimate Kinase Inhibitors: Design and Simulation Studies of the Catalytic Turnover
  39. Crystal structure of Mycobacterium tuberculosis shikimate kinase in complex with ADP and a shikimic acid derivative.
  40. X‐Ray Crystallography of Biological Macromolecules: Fundamentals and Applications
  41. Structure of Helicobacter pylori Type II Dehydroquinase inhibited by (2S)-2-(4-methoxy)benzyl-3-dehydroquinic acid
  42. Structure of Helicobacter pylori Type II Dehydroquinase inhibited by (2S)-2-Perfluorobenzyl-3-dehydroquinic acid
  43. Structure of Mycobacterium tuberculosis Type II Dehydroquinase inhibited by (2S)-2-(4-methoxy)benzyl-3-dehydroquinic acid
  44. Structure of Mycobacterium tuberculosis Type II Dehydroquinase inhibited by (2S)-2-Perfluorobenzyl-3-dehydroquinic acid
  45. Structure of Mycobacterium tuberculosis Type II Dehydroquinase inhibited by (2R)-2-(benzothiophen-5-yl)methyl-3-dehydroquinic acid
  46. Mechanistic Basis of the Inhibition of Type II Dehydroquinase by (2 S )- and (2 R )-2-Benzyl-3-dehydroquinic Acids
  47. ‘Inverted’ analogs of the antibiotic gramicidin S with an improved biological profile
  48. High-resolution structures ofThermus thermophilusenoyl-acyl carrier protein reductase in the apo form, in complex with NAD+and in complex with NAD+and triclosan
  49. Rotation-Locked 2,6-Pyrido-allenophanes: Characterization of all Stereoisomers
  50. Design, synthesis and structural analysis of mixed α/β-peptides that adopt stable cyclic hairpin-like conformations
  51. Service crystallography at the University of Santiago de Compostela
  52. Structures of porcine adenovirus type 4 and bacteriophage T4 long tail fibres
  53. Crystal structure of bacteriophage T4 fibre protein gp37
  54. A Prodrug Approach for Improving Antituberculosis Activity of Potent Mycobacterium tuberculosis Type II Dehydroquinase Inhibitors
  55. Three-Dimensional Water Channel Embedded in an α,γ-Cyclic Octapeptide-Derived Organic Porous Material
  56. Synthesis and evaluation of strand and turn modified ring-extended gramicidin S derivatives
  57. Evaluation of Readily Accessible Azoles as Mimics of the Aromatic Ring of D-Phenylalanine in the Turn Region of Gramicidin S
  58. Exploring the Conformational and Biological Versatility of β‐Turn‐Modified Gramicidin S by Using Sugar Amino Acid Homologues that Vary in Ring Size
  59. High resolution structure of Thermus thermophilus enoyl-acyl carrier protein reductase NAD and triclosan-form
  60. Tetrahydrobenzothiophene Derivatives: Conformationally Restricted Inhibitors of Type II Dehydroquinase
  61. Structure of the bacteriophage T4 long tail fibre needle-shaped receptor-binding tip
  62. Structure of the bacteriophage T4 long tail fiber receptor-binding tip
  63. An Adamantyl Amino Acid Containing Gramicidin S Analogue with Broad Spectrum Antibacterial Activity and Reduced Hemolytic Activity
  64. Understanding the Key Factors that Control the Inhibition of Type II Dehydroquinase by (2R)‐2‐Benzyl‐3‐dehydroquinic Acids
  65. Another Possible Carbon Allotrope
  66. Studies in the azole series. CIII. adamantyl and halogeno pyrazolin-5-ones
  67. ChemInform Abstract: Proton Sponges
  68. Crystallographic Structure of Porcine Adenovirus Type 4 Fiber Head and Galectin Domains
  69. ChemInform Abstract: Synthesis and Molecular Structure of 3-(2-Benzyloxy-6-hydroxyphenyl)-5-styrylpyrazoles. Reaction of 2-Styrylchromones and Hydrazine Hydrate.
  70. Gramicidin S Derivatives Containing cis - and trans -Morpholine Amino Acids (MAAs) as Turn Mimetics
  71. Synthesis and Biological Evaluation of New Nanomolar Competitive Inhibitors of Helicobacter pylori Type II Dehydroquinase. Structural Details of the Role of the Aromatic Moieties with Essential Residues
  72. Crystallization of the head and galectin-like domains of porcine adenovirus isolate NADC-1 fibre
  73. Synthesis and biological evaluation of asymmetric gramicidin S analogues containing modified d-phenylalanine residues
  74. Bisphosphine-Functionalized Cyclic Decapeptides Based on the Natural Product Gramicidin S: A Potential Scaffold for Transition-Metal Coordination
  75. Crystallographic structure of the  -helical triple coiled-coil domain of avian reovirus S1133 fibre
  76. Structure of avian reovirus sigmaC117-326, C2 crystal form
  77. Structure of avian reovirus sigmaC117-326, P321 crystal form
  78. Crystal Structure of the Avian Reovirus Inner Capsid Protein σA
  79. Crystal structure of the avian reovirus inner capsid protein sigmaA
  80. Structure of the Receptor-Binding Protein of Bacteriophage Det7: a Podoviral Tail Spike in a Myovirus
  81. Structure of the C-terminal head domain of the fowl adenovirus type 1 long fiber
  82. The First Crystal Structures of Mercury(II) Complexes of Tetra-amides (L1 and L2) and Tetramethylamides (L3 and L4) of EDTA and PDTA. Formation of Distorted Octahedral and Distorted Capped Octahedral Mercury(II) Complexes and of a Trinuclear Complex co...
  83. Crystal structures of avian virus host cell interaction proteins
  84. Antitumor Activity, X-ray Crystal Structure, and DNA Binding Properties of Thiocoraline A, a Natural Bisintercalating Thiodepsipeptide
  85. Bis[4-(2-pyridylmethylamino)phenyl]methane dihydrate
  86. Crystallization of the avian reovirus double-stranded RNA-binding and core protein σA
  87. Double-stranded helical twisted β-sheet channels in crystals of gramicidin S grown in the presence of trifluoroacetic and hydrochloric acids
  88. [1,2,3]Triazolo[4,5-b]porphyrins: New Building Blocks for Porphyrinic Materials
  89. [1,2,3]Triazolo[4,5-b]porphyrins: New Building Blocks for Porphyrinic Materials
  90. β-Turn Modified Gramicidin S Analogues Containing Arylated Sugar Amino Acids Display Antimicrobial and Hemolytic Activity Comparable to the Natural Product
  91. Crystallization of the C-terminal head domain of the avian adenovirus CELO long fibre
  92. Dinuclear nickel complexes with a Ni2O2core: a structural and magnetic study
  93. Structure of the C-terminal receptor-binding domain of avian reovirus fibre sigmaC, Zn crystal form.
  94. Structure of the Carboxy-terminal Receptor-binding Domain of Avian Reovirus Fibre SigmaC
  95. Structural Determinants of Tissue Tropism and In Vivo Pathogenicity for the Parvovirus Minute Virus of Mice
  96. Crystallization of the C-terminal globular domain of avian reovirus fibre
  97. An Unusual Reverse Turn Structure Adopted by a Furanoid Sugar Amino Acid Incorporated in Gramicidin S
  98. Ferromagnetic exchange in a dinuclear copper(ii) complex mediated by a methanolate bridging ligand
  99. Conformational Analysis of Furanoid ε-Sugar Amino Acid Containing Cyclic Peptides by NMR Spectroscopy, Molecular Dynamics Simulation, and X-ray Crystallography:  Evidence for a Novel Turn Structure
  100. Spontaneous carbon dioxide fixation: a µ4-carbonate bridged tetranuclear zinc(ii) complex of a heptadentate Schiff base
  101. Synthesis, Characterization and Molecular Structure of 2-Pyridyl-formamide N(4)-Dimethylthiosemicarbazone and Some Five-Coordinated Zinc(II) and Cadmium(II) Complexes
  102. Ab initiostudy of azolides: Energetic and spectroscopic properties
  103. Biochemical and Physical Characterization of Parvovirus Minute Virus of Mice Virus-like Particles
  104. Unusual high nuclearity and pseudo-tetrahedral Zn8O13 core found in a self-assembled complex
  105. Complexes Between 1,1′-Binaphthyl-2,2′-Dicarboxylic Acid and Pyrazoles: A Case of Manual Sorting of Conglomerate Crystals (Triage)
  106. Synthesis and molecular structure of 3-(2-benzyloxy-6-hydroxyphenyl)-5-styrylpyrazoles. Reaction of 2-styrylchromones and hydrazine hydrate
  107. The search for proton mobility in solid pyrazoles: molecular and crystal structure of 3(5)-phenyl-4-bromo-5(3)-methylpyrazole
  108. X-ray Crystallography at 170 K of Racemic 2,2'-Dimethoxy-9,9'-biacridine and 1H NMR Study of 2,2'-Diacetoxy-9,9'-biacridine
  109. TwoC3-symmetrical tris(ortho-substituted) tribenzylamines
  110. Three 2,4,6-trimethylpyridine–benzoic acid complexes at 150K
  111. A structural study of pyrazole-1-carboxamides by X-ray crystallography and 13C CPMAS NMR spectroscopy
  112. THE STRUCTURE OF N-ACETYLAZOLES (AZOLINES): A SEMIFMPIRICAL (AMI) COMPUTATIONAL STUDY
  113. Crystal structures of two 4-bromopyrazole derivatives
  114. Functional implications of the structure of the murine parvovirus, minute virus of mice
  115. Triphenylphosphine Sulfide: a Redetermination at 150K
  116. Modular Crystalline Hosts Derived from Mandelic Acid. Host Synthesis, Inclusion Formation, and Xray Crystal Structures of Two Free Hosts and One Inclusion Complex with Methanol
  117. Synthesis and X-Ray Crystal Structure of 3-(Pyrazol-4-yl)propargyl Alcohol
  118. Localization of hydrogen bond deuterons in proton sponges by dipolar solid state 15N NMR spectroscopy
  119. MVM(STRAIN I), COMPLEX(VIRAL COAT/DNA), VP2, PH=7.5, T=4 DEGREES C
  120. Temperature-Dependent Phase Transitions in Two Crystalline Host–Guest Complexes Derived from Mandelic Acid
  121. Studies of intramolecular hydrogen bonds (IMHB): crystal and molecular structure of 2-(2′-hydroxy-phenyl)imidazoles
  122. Structure of 3-nitropyrazole in solution and in the solid state
  123. Synthesis and molecular structure of new O/N/O ligands: Bis-phenol-pyridine and bis-phenol-pyrazole
  124. Photophysics of the 2-(2′-hydroxyphenyl)perimidines: Photostability studies
  125. Aromatic propellenes. Part 8.† Semiempirical calculations and DNMR studies of hexakis(pyrazol-1-yl)benzenes
  126. Theoretical study of the structure and tautomerism of N 1-unsubstituted pyrazoles in the solid state
  127. Molecular structure and dynamics of C-1-adamantyl substituted N-unsubstituted pyrazoles studied by solid state NMR spectroscopy and X-ray crystallography
  128. Structure Determination of Minute Virus of Mice
  129. Structural Analysis of a Mutation in Canine Parvovirus Which Controls Antigenicity and Host Range
  130. An anomalous intramolecular conjugate addition of N-protected imidazoles to vinyliminophosphoranes promoted by tetrabutylammonium fluoride. X-Ray crystal structure of 5-ethoxycarbonyl-5-(triphenylphosphoranylidene-amino)-5,6-dihydroimidazo[2,1-α]isoqui...
  131. Aromatic propellenes. Part 2. Study of conformational isomerism of hexa(pyrazol-1-yl)benzene: X-ray crystallography and semiempirical calculations
  132. Supramolecular crystalline construction based on a mandelic acid source. Host design, inclusion formation and X-ray crystal structures of a methanol inclusion complex and free host structures in racemic and optically resolved forms
  133. Supramolecular crystalline construction based on a mandelic acid source. Host design, inclusion formation and X-ray crystal structures of a methanol inclusion complex and free host structures in racemic and optically resolved forms
  134. The Relative Basicities of Tris(pyrazol-1-yl)-1,3,5-triazine (TPT), Water and the Picrate Anion in the Solid State
  135. A Crystalline Inclusion Compound and Two Host Structures Containing Chiral Molecules Derived from Lactic Acid
  136. Ab initio study of the effect of N-substituents on properties of pyrazoles
  137. Preparation of Highly Functionalized Imidazoles from α-Azidoacetonitrile: X-ray Crystal Structure of 4-Methoxy-2-methylamino-5-methylthiocarbamoylimidazole
  138. The geometry of pyrazole: A test forab initiocalculations
  139. Dicarboximide-based clathrate design. Host synthesis, inclusion formation and x-ray crystal structures of a free host and of inclusion compounds with 2- and 3- methylcyclohexanone, 3-methylcyclopentanone, butyronitrile, propan-1-ol and (?)-fenchone guests
  140. Aromatic propellenes. Part 1. NMR spectroscopy, X-ray crystal and molecular structure of hexa(3,5-dimethylpyrazol-1-yl)benzene
  141. 2-Arylperimidine derivatives. Part 1. Synthesis, NMR spectroscopy, X-ray crystal and molecular structures
  142. Semiempirical (AM1, PM3 and SAM1) calculations of the protonation enthalpies of proton sponges related to 1,8-diaminonaphthalene. Estimation of the aqueous basicity of new designed superbases
  143. Proton sponges
  144. The influence of the nitro group on the solid-state structure of 4-nitropyrazoles: the cases of pyrazole, 3,5-dimethylpyrazole, 3,5-di-tert-butylpyrazole and 3,5-diphenylpyrazole. I. Static aspects (crystallography and thermodynamics)
  145. Crystalline hosts derived from pyrazole carboxylic acids. X-ray crystal structures of 4-nitropyrazole-3,5-dicarboxylic acid and its sodium salt including dioxane molecules
  146. Preparation of [5 + 6]-, [6 + 6]-, and [6 + 7]-Bicyclic Guanidines fromC,C'-Bis(iminophosphoranes)
  147. Tris(pyrazol-1-yl)-s-triazine (TPT): X-ray crystallographic, computational, and gas-phase electron diffraction studies
  148. Proton transfer in solid heterocycles: An X-ray and CPMAS NMR study
  149. The influence of the substituent at the nitrogen atom on the molecular structure of pyrazoles: a crystallographic statistical survey versus ab initio calculations
  150. Complexes of rhodium and iridium derived from 2,5-bis(pyrazol-1′-yl)-1,4-dihydroxybenzene
  151. Substitution effects on the structure of o-aryliminophosphoranes
  152. The Structure of 1H-Perimidin-2(3H)-one and Its Derivatives in the solid state (x-ray crystallography and CP/MAS13C-NMR), in solution (13C-NMR), and in the gas phase (mass spectrometry)
  153. Alanine-derived hosts comprising a roof-shaped carbonimide framework. Synthesis, inclusion formation and X-ray crystal structures of racemic and optically resolved free hosts, and their crystalline complexes with 3-methylcyclohexanone
  154. Structure of 3(5)-methyl-4-nitropyrazole in the solid state: tautomerism, crystallography and the problem of desmotropy
  155. Iminophosphorane-substituted proton sponges. Part 5. Structures in the solid state. Correlation between solid state31P MAS NMR spectra and crystal structures
  156. N-Aminoazoles. Part 3. Molecular structure and multinuclear NMR study of 1,3-diaminobenzimidazolium chloride hydrate and 1-amino-3-methylbenzimidazolium iodide
  157. Adamantylation of N-Unsubstituted Pyrazole Derivatives: Mechanistic and Structural Studies
  158. Structural and semiempirical studies of 2-arylperimidine derivatives
  159. Preparation and synthetic applications of iminophosphoranes derived from o-substituted arylazides: preparation of pyrazolo[1,2-b]indazole, 4H-3,1-benzoxazine and quinoline derivatives. Crystal structure of 2-[2-(4-methoxybenzoylamino)phenyl]-4-methylqu...
  160. Chiral crystalline hosts derived from lactic acid.* X-ray crystal structures of optically resolved and racemic host compound 1,1-diphenyl-1,2-propanediol and a 2:1 complex between optically resolved host and 3-picoline
  161. (4S,7R)-7,8,8-Trimethyl-4,5,6,7-tetrahydro-4,7-methano-1H(2H)-indazole (campho[2,3-c]pyrazole): comparison between the X-ray structure and carbon-13 NMR data in the solid state
  162. Crystal structures of 2-(2-methoxyphenyl) perimidine and its hemihydrate
  163. Geometrical characteristics of four-coordinate complexes of Ni, Pd, and Pt containing triphenylphosphine as ligand
  164. A comparison of the structures of pyrazole, 3,5-dimethylpyrazole and 3,5-bis(trifluoromethyl)pyrazole: theoretical calculations (STO-3G), microwave, electron diffraction and crystallography
  165. N-aminoazoles. Part 2. Basicity and protonation site of N-aminoazoles: an experimental (pKa,13C and15N NMR spectroscopy and crystallography) and theoretical study
  166. Iminophosphorane-substituted proton sponges. Part 4. Comparison of X-ray molecular structures with solution properties (pKa,1H and13C NMR spectroscopy)
  167. Synthesis and structure of new hosts related to 9,9′-bianthryl
  168. Intermolecular proton transfer in host–guest crystals: the case of pyrazole included in 1,1-di(2,4-dimethylphenyl)but-2-yn-1-ol, an X-ray and solid-state13C/15N NMR study
  169. Host-guest chemistry. 2. Amine inclusion compounds of 2-[o-(triphenylphosphoranylidenamino)benzyliden]amino-1H-2,3-dihydroindazol-3-one. X-ray structure of its 1?1?1 inclusion complex with isopropylamine and water
  170. Effect of the protonation and of the ortho substitution on the structure of aryliminophosphoranes
  171. Nature of the hydrogen bond: crystallographic versus theoretical description of the O-H...N(sp 2) hydrogen bond
  172. Host-guest chemistry. Methanol, ethanol and propan-1-ol inclusion compounds of 2-[o-(triphenylphosphoranylidenamino) benzyliden] amino-1H-2, 3-dihydroindazol-3-one. X-ray structural characterization of the free host and its ethanol inclusion compound
  173. Structure of 3,5-pyrazoledimethanol: an X-ray and 13C solid-state NMR study
  174. New chiral selectors derived from lactic acid. Cocrystalline and sorptive optical resolutions, and the crystal structure of an inclusion complex with 3-methylcyclohexanone
  175. One-pot synthesis of a new class of fused 2,4-diimino-1,3-diazetidines by an aza-Wittig/[2 + 2] cycloaddition of carbodiimides process
  176. 2,4-Bisimino-1,3-diazetidines: iminophosphoranes, carbodiimides and related betaines
  177. Iminophosphorane-substituted proton sponges. Part 3. Preparation and crystal structure of three salts of protonated 1-dimethylamino-8-triphenylphosphoranylideneammonionaphthalene
  178. The X-ray crystal structure of a ternary cocrystallization compound: N,N-dimethyl-o-phenylenediamine–fluoroboric acid–triphenylphosphine oxide
  179. Iminophosphorane-substituted proton sponges. Part 2. Preparation and crystal structure of four phosphoranylideneammonionaphthalene derivatives
  180. Iminophosphorane-substituted proton sponges. Part 1. X-ray molecular structures of 1,8-diaminonaphthalene and 1-amino-8-triphenylphosphoranylideneaminonaphthalene
  181. N⋯Nsp2 hydrogen interactions in organic crystals
  182. Heterocumulene-mediated annelation of a [1,3,4]thiadiazine or [1,3,4]oxadiazine ring into an imidazole ring: preparation and crystal structure of some derivatives of the unknown imidazo[1,5-d]-[1,3,4]thiadiazine and imidazo[1,5-d́][1,3,4]oxadiazine rin...
  183. Ring-Opening Reactions of Mesoionic [1,2,4]Triazolo[1,5-c]quinazolines. – Preparation of 1,2,4-Triazolo[3,4-b][1,3,4]thiadiazoles by a Translocative Rearrangement