R. Yanada et al., METALLIC SAMARIUM AND IODINE IN ALCOHOL - SELECTIVE 1,4-REDUCTION OF ALPHA,BETA-UNSATURATED CARBOXYLIC-ACID DERIVATIVES, Synlett, (5), 1995, pp. 443-444
Olefinic double bond of various alpha,beta-unsaturated carboxylic acid
derivatives (ester, amide, nitrile, carboxylic acid) is reduced with
metallic samarium and iodine to the corresponding saturated products i
n high yields in alcohol at room temperature under argon.