Enzymatic synthesis of optically active α-chloro-δ-hydroxy-β-ketoalkanephosphonates and reactions thereof
作者:Chengfu Xu、Chengye Yuan
DOI:10.1016/j.tet.2004.02.073
日期:2004.4
A novel and enzymatic approach to α-chloro-δ-hydroxy-β-ketoalkanephosphonates was developed via enantioselective CALB-catalyzed acetylation and CRL-catalyzed hydrolysis. The resultant optically active compounds provide, via Horner–Wadsworth–Emmons (HWE) reaction, chiral α,β-unsaturated ketones that are building block with potential application in organic synthesis.
通过对映选择性CALB催化的乙酰化和CRL催化的水解,开发了一种新颖的酶促方法制备α-氯代-δ-羟基-β-酮基链烷膦酸酯。所得的光学活性化合物通过霍纳-沃兹沃思-埃蒙斯(HWE)反应提供手性α,β-不饱和酮,这些酮在有机合成中具有潜在的应用价值。