Michael addition of S,S′-diethyl dithiomalonate to conjugated enones and α,β-unsaturated esters followed by reduction with Raney nickel gave rise to 1,5-ketols and 5-hydroxy esters respectively in good yields.
S,S'-二
硫代
丙二酸二乙酯与共轭烯酮和 α,β-不饱和酯的迈克尔加成,然后用雷尼
镍还原分别以良好的产率得到 1,5-酮醇和 5-羟基酯。