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Formation of a cyclic bis(iminophosphorane) from a 2,2′-bis(phosphino)azobenzene via NN bond cleavage

✍ Scribed by Masaki Yamamura; Naokazu Kano; Takayuki Kawashima

Book ID: 102233825
Publisher: John Wiley and Sons
Year: 2011
Tongue: English
Weight: 259 KB
Volume: 22
Category: Article
ISSN: 1042-7163
DOI: 10.1002/hc.20680

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✦ Synopsis

Abstract

An eight‐member cyclic bis(iminophosphorane) was synthesized by treatment of 2,2′‐bis(phosphino)azobenzene with pentachlorophenol via NN bond cleavage of the azobenzene. The crystal structure of the cyclic bis(iminophosphorane) was determined by the X‐ray crystallographic analysis. A study on the reaction mechanism showed that both protonation of the azo moiety and intramolecular nucleophilic attacks of the phosphino groups played a key role in the formation of the bis(iminophosphorane) from the azo compound bearing two phosphino groups. © 2011 Wiley Periodicals, Inc. Heteroatom Chem 22:301–306, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/hc.20680

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