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Carbonyl addition reaction by means of β-silyl- and βstannylphosphorous ylides: Diastereoselective E-propenylation of α-chiral aldehydes

✍ Scribed by Masamitsu Tsukamoto; Hideo Iio; Takashi Tokoroyama

Publisher: Elsevier Science
Year: 1987
Tongue: French
Weight: 286 KB
Volume: 28
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)96564-x

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✦ Synopsis

E-Propenylation

of aldehydes using a-silyl-or 8-stannylphosphorous ylides is devised, and extended to the diastereoselective reaction of a-methyl and a-alkoxy aldehydes.

We have recently reported that the 8-silylphosphorous ylides la and lb provide vinyl and isopropenyl alcohols with high 1,2-asymmetric induction, respectively, in the reaction of a-chiral aldehydes. r In this paper we describe

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