Tetrahedron letters

Convenient reduction of azobenzenes and azoxybenzenes to hydrazobenzenes by sodium dithionite using dioctylviologen as an electron transfer catalyst

KK Park, SY Han

Index: Park, Kwanghee Koh; Han, Sun Young Tetrahedron Letters, 1996 , vol. 37, # 37 p. 6721 - 6724

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Citation Number: 10

Abstract

Various azobenzenes and azoxybenzenes were reduced almost quantitatively to the corresponding hydrazobenzenes by sodium dithionite under mild conditions without the formation of aniline derivatives, using dioctyl viologen as an electron-transfer catalyst in