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Formation and Ring Contraction of Benzo [f][1, 2] Thiazepine-1, 1-Dioxides from and to Benzo [e][1, 2] Thiazine-1, 1-Dioxides

A Khalaj, N Adibpour

Index: Khalaj, Ali; Adibpour, Neda Heterocycles, 1999 , vol. 51, # 1 p. 131 - 135

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Citation Number: 4

Abstract

Abstract Alkoxide-promoted ring expansion of the novel ethyl 2-(6, 7-dimethoxy-3-oxo-3, 4- dihydrobenzo [e][1, 2] thiazine-1, 1-dioxide-2-yl) acetate 3a and analogous 4, 4-diethyl derivative 3b and cyclization of methyl 2-[2-(phenylaminocarbonylmethyl sulfamoyl)-4, 5-

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