Manganese-Catalyzed and Mediated Synthesis of Arylphosphinates and Related Compounds
作者:Olivier Berger、Jean-Luc Montchamp
DOI:10.1021/acs.joc.9b01239
日期:2019.7.19
H-phosphinates and relatedcompounds was examined. A practical catalytic process with the air as the oxidant could not be found. However, an inexpensive and robust methodology was developed, using catalytic Mn(II) as the radical initiator and excess Mn(IV) as the stoichiometric oxidant. Using these conditions, the inter- and intramolecular arylation of phosphinylidene compounds has a broad scope, including
Copper‐Catalyzed Dynamic Kinetic C−P Cross‐Coupling/Cyclization for the Concise Asymmetric Synthesis of Six‐, Seven‐ and Eight‐Membered
<i>P</i>
‐Stereogenic Phosphorus Heterocycles
作者:Yanli Li、Xiao Jin、Peng Liu、Haijuan Zhang、Xiuling Yu、Yanjuan Liu、Baixue Liu、Wenqiang Yang
DOI:10.1002/anie.202117093
日期:2022.6.13
A catalyticasymmetric P-arylation of H-phosphinate was developed via an interesting dynamic kinetic asymmetric transformation. The copper-catalyzed dynamic kinetic C−P cross-coupling/cyclization provides a general method for the highly enantioselective synthesis of P-stereogenic P-heterocycles. The copper complex was responsible for the racemization of the H-phosphinates. H-Phenylphosphinates, H-alkenylphosphinate
H-次膦酸盐的催化不对称P-芳基化是通过有趣的动态动力学不对称转化开发的。铜催化的动态动力学 C-P 交叉偶联/环化为P-立体 P-杂环的高对映选择性合成提供了一种通用方法。铜络合物负责H-次膦酸盐的消旋化。对H-苯基次膦酸盐、H-烯基次膦酸盐和H-烷基次膦酸盐进行了检查,并以高产率和高 ee 值交付了产品。