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Heterocyclic ring-closure reactions. 6. Preparation and further cyclization reactions of 5-imino-1,3-diphenyl-4-thioxo-2-imidazolidinone and 5-imino-1,3-diphenyl-2,4-imidazolidinedithione

✍ Scribed by Ketcham, Roger; Schaumann, Ernst


Book ID
121437581
Publisher
American Chemical Society
Year
1980
Tongue
English
Weight
393 KB
Volume
45
Category
Article
ISSN
0022-3263

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πŸ“œ SIMILAR VOLUMES


Cycloadditionβˆ’Elimination Reactions of 5
✍ Franz Tittelbach; Siegfried Vieth; Matthias Schneider πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 568 KB

5-Imino-1,2,4-thiadiazolidin-3-ones 1 react with compounds alkylidene-1,2,4-dithiazolidines 12 are formed. The reaction products with enamines undergo hydrolysis and elimination containing electron-rich double bonds such as enamines and ester enolates to afford the 2-iminothiazolidines 3, 4, and 10