Process for the preparation of methyl dihydrojasmonate and lower alkyl homologues

摘要

A process described for the preparation of methyl dihydrojasmonate and lower alkyl homologues according to one of the reaction sequences: <IMAGE> <IMAGE> <IMAGE> or <IMAGE> +TR <IMAGE> <IMAGE> The first of the above reaction schemes also incorporates the novel process step: <IMAGE> In the above reaction sequence, X is chloro or bromo and R is C1-C4 alkyl.