Synthesis of Cycloheptenyldiphenylphosphine Oxides from the Reactions of a Cyclic Phosphonium Salt with α,β-Unsaturated Carbonyl Compounds

DOI: 10.1039/c39920001263

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Journal of the Chemical Society. Chemical communications p. 1263 - 1264 (1992)

Update date:2022-08-05

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Authors:

Fujimoto, Tetsuya

Takeuchi, Yukiharu

Kai, Koh-ichi

Hotei, Yukihiko

Ohta, Kazuchika

Yamamoto, Iwao

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Article abstract of DOI:10.1039/c39920001263

The reactions of the ylide from the five-membered cyclic phosphonium salt 1 with methyl vinyl ketone, chalcone, and benzylidene acetone afforded cycloheptenylidiphenylphosphine oxides vith a Michael-type reaction followed by an intramolecular Wittig reaction.

Full text of DOI:10.1039/c39920001263

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