Stereochemically pure E- and Z- alkenes by the Wittig–Horner reaction
- 1 January 1981
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 3,p. 100b-101
- https://doi.org/10.1039/c3981000100b
Abstract
Pure Z-alkenes are obtained stereospecifically from erythro-alcohols (3) formed on addition of Ph2PO-stabilised anions to aldehydes; acylation of the same anions, reduction of the α-Ph2P(O) ketones (5) to the threo-alcohol (6), and elimination gives pure E-alkenes.Keywords
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