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Synthesis and properties of optically active phosphine-boranes possessing an l-menthyloxy group

โœ Scribed by Tsuneo Imamoto; Takeshi Yoshizawa; Koutaro Hirose; Yoshiyuki Wada; Hideki Masuda; Kentaro Yamaguchi; Hiroko Seki

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
574 KB
Volume
6
Category
Article
ISSN
1042-7163

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โœฆ Synopsis

SP) -9 -Anthryl(1 -menthyloxy)pheny&hosphine-borane and (SP)-(I-l-menthyloxy)benzo[b]phosphole-borane

were synthesized, and their structures were characterized by X-ray crystallographic analysis. The latter compound was reduced by lithium naphthalenide at -78ยฐC with cleavage of the P-0 bond, and the subsequent reaction with electrophiles afforded the corresponding twtiary phosphine-boranes possessing good to excellent enantiomeric excesses.

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## Abstract For Abstract see ChemInform Abstract in Full Text.