CHLOROSULFONATION OF 2-STYRYLBENZOTHIAZOLE, 2-STYRYLBENZOXAZOLE AND 2-PHENYLBENZOXAZOLE

被引：5

作者：

CREMLYN, RJ

GRAHAM, S

SAUNDERS, D

机构：

[1] Division of Chemical Sciences, University of Hertfordshire, Hatfield

来源：

PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS | 1994年 / 92卷 / 1-4期

关键词：

2-STYRYLBENZOTHIAZOLE; 2-STYRYL-; AND; 2-PHENYLBENZOAXAZOLE; CHLOROSULFONATION; SULFONAMIDES;

D O I：

10.1080/10426509408021459

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

2-Styrylbenzothiazole (1), 2-styryl (2)- and 2-phenylbenzoxazole (3) reacted with excess chlorosulfonic acid (6 equivalents) to give the sulfonyl chlorides (8, 14, 20). The pure sulfonyl chlorides were not isolated and were characterised by conversion into 14 sulfonamides (9-13, 15-19, 21-24) the hydrazide (25) and acetone hydrazone (26). 2-Styrylbenzothiazole (1) by heating with a larger amount of chlorosulfonic acid (12 equivalents) afforded a chlorinated bis-sulfonyl chloride (27), which was characterised by formation of the bis-morpholidate (28). The NMR and MS spectral data are briefly discussed.

引用

页码：65 / 75

页数：11

共 14 条

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