Patent ID: 6239324
Filing Date: 2001-05-29
Classification: C07C,C11B

Abstract:
A process for producing a diene compound represented by the formula (IX): ##STR40##wherein R.sup.1 represents a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group which may have a substituent or a C.sub.2 -C.sub.6 alkenyl group which may have a substituent; R.sup.2 represents a phenyl group which may have a C.sub.1 -C.sub.4 lower alkyl group, or a C.sub.1 -C.sub.12 acyloxy group which may have a phenyl group, a naphthyl group or a benzyl group as a substituent, the wavy line showing a cis-isomer, a trans-isomer or mixture thereof; R.sup.2 is a hydroxy group which reversibly forms an aldehyde group through shifting of the position of the double bond adjacent to said hydroxy group, said process at least comprising the step of reacting a 2-substituted-1,3-butadiene represented by the following general formula (I): ##STR41##wherein R.sup.1 is defined as indicated above;with a terminal olefin represented by the following general formula (II): ##STR42##wherein R.sup.2 is defined as indicated above;in a hydrophilic solvent in the presence of a ruthenium compound.