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Preparation of optically active binaphthylmonophosphines (MOP's) containing various functional groups

✍ Scribed by Yasuhiro Uozumi; Nobuhiro Suzuki; Aya Ogiwara; Tamio Hayashi

Book ID: 104204742
Publisher: Elsevier Science
Year: 1994
Tongue: French
Weight: 714 KB
Volume: 50
Category: Article
ISSN: 0040-4020
DOI: 10.1016/s0040-4020(01)89366-2

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✦ Synopsis

Abshoct: Optically active 2'-diphettylphosphino-l,l'-binaphthyls (MOP's) having various functional groups, cyano, aminomethyl, methoxycarbonyl, carboxy, and hydroxymethyl, at the C2-position were prepared. A cyan0 group was inlmduced on the MOP skeleton by niclcel-cataJyxed cyanation of 2-diphenylphosphinyl-2'-trifhtomm~onyloxyl,l'-binaphthyl which is readily prepared from optically active bmaphthol. Preparation of the MOP derivatives bearing carboxylic groups were achieved by paklium-catalyzed monocarbonylation of bmaphthyl Z,Z-bis(triflate) followed by phospKmylation of the remaining triflate group.

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