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

✍ Scribed by Kwanghee Koh Park; Sun Young Han

Book ID: 104255742
Publisher: Elsevier Science
Year: 1996
Tongue: French
Weight: 221 KB
Volume: 37
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(96)01451-7

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✦ Synopsis

Various azohenzenes and azoxy~nzenes were reduced almost quantitatively to the corresponding hydrazohenzenes by sodium dithionite under mild conditions without the formation of aniline derivatives, using dioetyl vioiogen as an electron-transfer catalyst in acetouitrile-water.

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