The synthesis of enantiomerically pure 4,5-disubstituted 2-furanones is accomplished in three steps from aldehydes. The steps involve a highly enantioselective Sharpless asymmetric dihydroxylation of α,β-unsaturated diazoketones, followed by a photochemical Wolff rearrangement.
对映体纯 4,5-二取代 2-
呋喃酮的合成是通过三个步骤从醛中完成的。这些步骤涉及 α,β-不饱和重
氮酮的高度对映选择性 Sharpless 不对称二羟基化,然后是光
化学沃尔夫重排。