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Cycloaddition reactions of 5H,7H-thiazolo[3,4-c] oxazolium-1-oxides with imines

✍ Scribed by Piero Dalla Croce; Raffaella Ferraccioli; Concetta La Rosa

Book ID
103399594
Publisher
Elsevier Science
Year
1995
Tongue
French
Weight
449 KB
Volume
51
Category
Article
ISSN
0040-4020

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📜 SIMILAR VOLUMES

Intermolecular Dipolar Cycloaddition Rea
Intermolecular Dipolar Cycloaddition Reactions of 5H,7H-Thiazolo[3,4-c]oxazol-4-ium-1-olates
✍ Teresa M.V.D. Pinho e Melo; Maria I.L. Soares; Dália M. Barbosa; António M.d'A. 📂 Article 📅 2000 🏛 Elsevier Science 🌐 French ⚖ 146 KB

AbstractÐ(5R)-3-Methyl-5-phenyl-5H, 7H-thiazolo[3,4-c]oxazol-4-ium-1-olate was generated in the presence of a range of dipolarophiles. The intermolecular 1,3-dipolar cycloaddition of this mesoionic species led to the synthesis of chiral 1H-pyrrolo[1,2-c]thiazole derivatives 7a, 7b, 8, 14, 18, 19 and

Syntheses of 7-phenyl-5h-thiazolo[5,4-e]
Syntheses of 7-phenyl-5h-thiazolo[5,4-e]pyrrolo[1,2-a][1,4]diazepin-10(9h)one,7-phenyl-5h-thiazolo[5,4-e][1,2,3,4]tetrazolo[5,1-c]-pyrrolo[1,2-a][1,4]diazepine and 7-phenyl-5h-thiazolo[5,4-e]-[1,3,4] triazolo [5,1-c]pyrrolo [1,2-a] [1,4] diazepines
✍ A. Shafiee; M. Shekarchi 📂 Article 📅 2002 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 48 KB 👁 1 views

## Abstract Fused tricyclic 7‐phenyl‐5__H__‐thizolo[5,4‐__e__]pyrrolo[1,2‐__a__][1,4]diazepin‐10(9__H__)one (**10**) was prepared by thermolysis of 2‐phenyl‐4‐(1‐pyrrolylmethyl)thiazole‐5‐carbonyl azide (**9**) in acetic acid. In addition, starting from **10**, 7‐phenyl‐5__H__‐thiazolo [5,4‐__e__][