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Benzazoles. 4. Synthesis and chemical reactions of 6-chlorosulfonylbenzoxazolin-2-ones |
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| Authors: | M E Karimova D A Dushamov R Sh Kuryazov N S Mukhamedov |
| Institution: | (1) Khorezm Mamun Academy, Markaz-1, Khiva, 741400 Khorezm Region, Republic of Uzbekistan;(2) Al-Khorezm Urgench State University, I4, Khamid Alimjan, Urgench, 220100, Republic of Uzbekistan;(3) Acad. S. Yunusov Institute of Chemistry of Plant Substances, Academy of Sciences of the Republic Uzbekistan, 77 Ulugbek, Tashkent, 100170, Republic of Uzbekistan |
| Abstract: | 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 SnCl2·2H2O gave 6-mercaptobenzoxazolin-2-ones. |
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