Synthesis of 1-chloro-4h-1,2,3-thiadiazoline
✍ Scribed by Yu. M. Shafran; Yu. Yu. Morzherin; V. A. Bakulev
- Publisher
- Springer US
- Year
- 1994
- Tongue
- English
- Weight
- 76 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0009-3122
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract Acylation of 5‐amino‐3__H__‐1,3,4‐thiadiazolin‐2‐one (2) was undertaken selectively at either the 3‐NH position or at 5‐amino group depending on reaction conditions. The 3‐NH is highly acidic and acylation takes place with acid anhydrides at this position in high yields in the presence
## Abstract magnified image Under acetylating conditions __racemic__ thioflavanone thiosemicarbazones cyclize into __racemic__ 3‐acetyl‐spiro[1,3,4‐thiadiazoline‐2,4′‐thioflavans] and a __racemic__ 3‐acetylspiro[1,3,4‐oxadiazoline‐2,4′‐thioflavan] with __trans__ O(1) or S(1) and Ph(2′~eq~). Hinder
Dedicated to Prof. L. Ghosez on the occasion of his 60th birthday