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Aroylation of 5-amino-2H-1,2,4-thiadiazolin-3-ones

✍ Scribed by Nam Sook Cho; Chan Soo Ra; Do Young Ra; Jin Soo Song; Sung Kwon Kang

Book ID
112131604
Publisher
Journal of Heterocyclic Chemistry
Year
1996
Tongue
English
Weight
413 KB
Volume
33
Category
Article
ISSN
0022-152X

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πŸ“œ SIMILAR VOLUMES

Aroylation of 5-amino-2H-1,2,4-thiadiazo
Aroylation of 5-amino-2H-1,2,4-thiadiazolin-3-one
✍ Nam Sook Cho; Chan Soo Ra; Do Young Ra; Jin Soo Song; Sung Kwon Kang πŸ“‚ Article πŸ“… 1996 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 427 KB
Acylation of 5-amino-3H-1,3,4-thiadiazol
Acylation of 5-amino-3H-1,3,4-thiadiazolin-2-one
✍ Do Young Ra; Nam Sook Cho; Jae Joo Cho πŸ“‚ Article πŸ“… 1998 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 364 KB

## 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