Synthesis of 1(3H)-Imino-2-benzothiophene and 1-Imino-1H-2-benzothiopyran Derivatives by Reactions of Secondary o-(Vinyl)thiobenzamide Derivatives with Iodine

Kazuhiro Kobayashi; Seiki Fujita; Masanori Hase

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Synthesis of 1(3H)-Imino-2-benzothiophene and 1-Imino-1H-2-benzothiopyran Derivatives by Reactions of Secondary o-(Vinyl)thiobenzamide Derivatives with Iodine

机译：邻位（乙烯基）硫代苯甲酰胺衍生物与碘的反应合成1（3H）-氨基-2-苯并噻吩和1-氨基-1H-2-苯并吡喃衍生物

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Efficient methods have been developed for the preparation of 1(3H)-imino-2-benzothiophene and 1-imino-1H-2-benzothiopyran derivatives.Treatment of secondary o-(vinyl)thiobenzamide derivatives with iodine in the presence of sodium hydrogencarbonate in acetonitrile at 0 °C gave the former derivatives.Similar treatment at reflux gave the latter derivatives.

机译：已经开发出了制备1（3H）-亚氨基-2-苯并噻吩和1-亚氨基-1H-2-苯并噻喃衍生物的有效方法。乙腈在0°C时可得到前一衍生物，在回流条件下进行类似处理可得到后者。

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《Bulletin of the Chemical Society of Japan》 |2007年第4期|共5页
作者
Kazuhiro Kobayashi; Seiki Fujita; Masanori Hase;
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Synthesis of 1(3H)-Imino-2-benzothiophene and 1-Imino-1H-2-benzothiopyran Derivatives by Reactions of Secondary o-(Vinyl)thiobenzamide Derivatives with Iodine

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