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Ring closure reactions of methyl N-(haloacetyl)anthranilates with ammonia

✍ Scribed by Nam Sook Cho; Ki Youn Song; Cyril Párkányi


Book ID
112129455
Publisher
Journal of Heterocyclic Chemistry
Year
2009
Tongue
English
Weight
259 KB
Volume
26
Category
Article
ISSN
0022-152X

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Reactions of isocyanates with methyl N-(
✍ L. M. Deck; E. P. Papadopoulos; K. A. Smith 📂 Article 📅 2003 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 77 KB

## Abstract The triethylamine‐catalyzed reactions of methyl __N__‐(cyanothioformyl)anthranilate (**1**) with isocyanates result in cyclization involving the cyano group to form methyl 2‐(4‐imino‐2‐oxo‐3‐substituted‐5‐thioxoimi‐dazolidin‐1‐yl)benzoates (**4**). Ring closure at the ester carbonyl to