A. Wada et al., STEREOSELECTIVE SYNTHESIS OF 7E,9E AND 7E,9Z-BETA-IONYLIDENEACETALDEHYDES BY USE OF TRICARBONYL IRON COMPLEX, Chemical and Pharmaceutical Bulletin, 42(3), 1994, pp. 757-759
Stereoselective synthesis of 7E,9E- and 7E,9Z-beta-ionylideneacetaldeh
ydes was accomplished from the beta-ionone tricarbonyl iron complex, a
nd the latter was converted to 9Z-retinoic acid.