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Reactions of Isocyanates with Methyl N-(Cyanothioformyl)anthranilate.

✍ Scribed by L. M. Deck; E. P. Papadopoulos; K. A. Smith


Publisher
John Wiley and Sons
Year
2004
Weight
131 KB
Volume
35
Category
Article
ISSN
0931-7597

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Reactions of isocyanates with methyl N-(
✍ L. M. Deck; E. P. Papadopoulos; K. A. Smith πŸ“‚ Article πŸ“… 2003 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 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