Acetonitrile-dependent oxyphosphorylation: A mild one-pot synthesis of β-ketophosphonates from alkenyl acids or alkenes
作者:Xi Chen、Xiaolan Chen、Xu Li、Chen Qu、Lingbo Qu、Wenzhu Bi、Kai Sun、Yufen Zhao
DOI:10.1016/j.tet.2017.03.026
日期:2017.4
An efficient one-pot synthesis of β-ketophosphonates has been developed, via the reaction of α,β-alkenyl carboxylic acids or alkenes with H-phosphonates and air oxygen, catalyzed by CuSO4·5H2O in CH3CN. CH3CN plays a decisive role, probably by forming an active oxygen complex [(MeCN)nCuII-O-O·].
通过在CH 3 CN中由CuSO 4 ·5H 2 O催化α,β-烯基羧酸或烯烃与H-膦酸酯和空气氧的反应,已经开发出有效的一锅法合成β-酮膦酸酯。CH 3 CN可能起决定性作用,可能是通过形成活性氧络合物[(MeCN)n Cu II -OO·]。