3-Oxiranylprop-2-enals as synthetic building blocks. Easy and stereoselective synthesis of naturally occurring (E,Z)-1,3,5-trienes and (E,Z)-2,4-dienals, pheromones and flavour components
作者:Michael Goldbach、Edgar Jäkel、Manfred P. Schneider
DOI:10.1039/c39870001434
日期:——
Wittig reactions of the title compound (3) lead in one step to the (E,Z)-alkadienyloxiranes (6) and (7), useful starting materials for the preparation of pheromones and flavourcomponents.
Novel cyclopentenecarboxylates of the formula ##STR1## wherein AlK is alkyl of 1 to 4 carbon atoms and R is selected from the group consisting of --CHO and --CH.sub.2 OH and a process for their preparation and a process for the preparation of compounds of the formula ##STR2##