1-bis-p-tolylthiopropanes, which are precursors of protected α-hydroxy-aldehydes, have been readily prepared in high optical purity via acylation of lithium bis-p-tolylthiomethanide and subsequent baker's yeast reduction of the resulting ketones.
几种3-取代的2-羟基-1,1-双-
对甲苯基硫代
丙烷是被保护的α-羟基-醛的前体,已经很容易通过双-
对甲苯基硫代
甲烷化
锂和随后的面包酵母的酰化反应以高光学纯度制备。还原生成的酮。