Stereo-controlled synthesis of γ,δ-unsaturated ketones by the Horner-Wittig reaction
作者:Christopher A Cornish、Stuart Warren
DOI:10.1016/s0040-4039(00)81993-0
日期:1983.1
and isomers of γ,δ-unsaturated ketals may separately be prepared by the Horner-Wittig reaction between 5-diphenylphosphinoylpenta-2-one ethylene acetal (6) and aldehydes, esters, or ketones.
和γ的异构体,δ不饱和缩酮可以单独由5- diphenylphosphinoylpenta -2-酮亚乙基缩醛(6)和醛,酯,或酮之间的霍纳- Wittig反应制备。