Benzazoles. 4. Synthesis and chemical reactions of 6-chlorosulfonylbenzoxazolin-2-ones
作者:M. E. Karimova、D. A. Dushamov、R. Sh. Kuryazov、N. S. Mukhamedov
DOI:10.1007/s10593-011-0724-1
日期:2011.4
The corresponding 6-chlorosulfonyl derivatives were synthesized from benzoxazolin-2-one and its 3-methyl derivative by treatment with chlorosulfonic acid. By treatment of the compounds obtained with water and other nucleophilic reagents (aliphatic and heterocyclic amines) 2-oxobenzoxazoline-6-sulfonic acids and a series of their amides were obtained, while reduction with SnCl2 center dot 2H(2)O gave 6-mercaptobenzoxazolin-2-ones.