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Citation: Xu Hansheng, Deng Yanneng, Li Handong. STUDY ON PHASE TRANSFER CATALYTIC WITTIG REACTION[J]. Chinese Journal of Applied Chemistry, ;1988, 5(6): 70-71. shu

STUDY ON PHASE TRANSFER CATALYTIC WITTIG REACTION

1.
Department of Chemistry, Wuhan University

Received Date: 17 December 1987
Available Online: 19 March 1988

This paper describes the PTC Wittig reaction of ω-hydroxyl alkanyl triphenyl phosphoniurn bromide (Ph₃P⁺(CH)₂OHBr,n=10,11) and aliphatic aldehydes(n-hexanal,n-pcntanal) with different solvents and bases. The optimum reaction conditions which can give high yield (80%) and good isomer ratio (Z:E=90:10)are reported. The method appeared convcnient for synthesizing insect sex pheromones.
- Phase transfer catalysis,
- Wittig reaction,
- Insect sex pheromones
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