摘要:
E7/Z9 -alkadien-1-ols which may be protected at the hydroxy group are prepared by subjecting a 7-hydroxyheptenal to a Wittig reaction with a phosphorylide to give an acetal compound which is converted by further Wittig reaction with a phosphorylide to an E7/Z9 -alkadienol.
摘要:
3,9-Dihydroxynonyne and its derivatives protected at the 9-OH function, of the general formula I ##STR1## where R is hydrogen or a conventional alcohol protective group, and processes for the preparation of the compounds I.