Synthesis of 4-trihalomethyl-2-oxobenz-1,5,3-oxathiazepines and 2-oxo-4-trichloromethylbenz-1,5,3-dithiazepine and their conversion to 2-trihalomethyl-2-isocyanatobenz-1,3-oxathiolanes and 2-isocyanato-2-trichloromethylbenz-1,3-dithiolane

Autor: Vovk, M. V., Dorokhov, V. I., Boiko, V. I., Samarai, L. I.
Zdroj: Chemistry of Heterocyclic Compounds; November 1993, Vol. 29 Issue: 11 p1265-1267, 3p
Abstrakt: The reaction of perhaloethyl isocyanates with o-mercaptophenol and o-dimercaptobenzene gave 4-trihalomethyl-2-oxobenz-1,5,3-oxathiazepines and 2-oxo-4-trichloromethylbenz-1,5,3-dithiazepine, which at 100–110°C undergo contraction of the heteroring and are converted to the corresponding 2-trihalomethyl-2-isocyanato-1, 3-oxathiolanes and a dithiolane.
Databáze: Supplemental Index
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