2,3-Bis(diphenylphosphynyl)-1,3-butadiene via a double [2,3]-sigmatropic rearrangement. A reinvestigation of the reaction of 2-butyne-1,4-diol with chlorodiphenylphosphine

T. Pollok, H. Schmidbaur

Research output: Contribution to journalArticlepeer-review

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Abstract

Contrary to previous reports, the reaction of 2-butyne-1,4-diol with chlorodiphenylphosphine yields 2,3-bis(diphenylphosphinyl)-1,3-butadiene 3 instead of the 1,4-isomer. The structure of the product has been elucidated from 1H, 13C and 31P-NMR spectroscopic data.

Original languageEnglish
Pages (from-to)1085-1088
Number of pages4
JournalTetrahedron Letters
Volume28
Issue number10
DOIs
StatePublished - 1987
Externally publishedYes

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