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Reactions of a sterically protected 2,3-dichloro-1,4-diphospha-1,3-butadiene with some alkyl and hydrido lithium reagents

โœ Scribed by Shigekazu Ito; Kozo Toyota; Masaaki Yoshifuji

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
177 KB
Volume
11
Category
Article
ISSN
1042-7163

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โœฆ Synopsis

The reactions of 2,3-dichloro-1,4-diphospha-1,3-butadiene, which is sterically protected with the 2,4,6-tri-t-butylphenyl group, with some nucleophiles, including alkyllithium reagents and lithium aluminum hydrides, afforded 1,2-diphosphinoacetylenes or 3-phosphino-1-phosphaallenes.

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We thank the European Commission through the HYDROCHEM program (contract HPRN-CT-2002-00176) for support of this work. M.B. thanks the Spanish Ministerio de Educaciรณn y Ciencia for a postdoctoral fellowship.