Phase Transfer-Catalyzed Wittig-Horner Reactions of Phosphorus-containing α-Carbanions

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (2): 230.

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Phase Transfer-Catalyzed Wittig-Horner Reactions of Phosphorus-containing α-Carbanions

LIU Zeng-Xun, LIU Shun-Yao

Institute of Elemento-Organic Chemistry, Nankai University, Tianjin, 300071

Received:1993-02-03 Revised:1993-09-10 Online:1994-02-24 Published:1994-02-24

Abstract

Abstract: This paper reports Wittig-Horner reactions of phosphorus-containing a-carbanions derived from ethoxy carbonylmethyl phenyl phosphonate(Ⅰ) and cyanomethyl phenyl phosphonate(Ⅱ)with aldehydes and ketones by phase-transfer catalysis.The structures of ten compounds were determined by elemental analysis and ¹H NMR.It was discussed that(E)-olefines were obtained by the reaction of(Ⅰ) with aldehydes, and that the mixed products of(E) and(Z)-olefins were obtained by the reaction of(Ⅱ)with aldehyde.

Key words: Phosphorus-containing carbanions, Phase transfer catalysis, Wittig-Horner reaction

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LIU Zeng-Xun, LIU Shun-Yao. Phase Transfer-Catalyzed Wittig-Horner Reactions of Phosphorus-containing α-Carbanions[J]. Chem. J. Chinese Universities, 1994, 15(2): 230.

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Phase Transfer-Catalyzed Wittig-Horner Reactions of Phosphorus-containing α-Carbanions

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