Diametric Stereocontrol in Dynamic Catalytic Reduction of Racemic Acyl Phosphonates: Divergence from α-Keto Ester Congeners

被引:69
作者
Corbett, Michael T. [1 ]
Johnson, Jeffrey S. [1 ]
机构
[1] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA
关键词
ASYMMETRIC TRANSFER HYDROGENATION; HETERO-DIELS-ALDER; HIGHLY ENANTIOSELECTIVE HYDROPHOSPHONYLATION; PHOSPHINIC ACID ANALOGS; HYDROXY PHOSPHONATES; AL(SALALEN) COMPLEX; KINETIC RESOLUTION; ALDEHYDES; INHIBITORS; PHOSPHORUS;
D O I
10.1021/ja310980q
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
An unexpected dichotomy was observed in the Ru-catalyzed asymmetric transfer hydrogenation of acyl phosphonates: reduction proceeded from the opposite face relative to that observed in the analogous reduction of alpha-keto esters. The first highly selective catalytic hydrogenation of acyl phosphonates was utilized in the dynamic kinetic resolution of alpha-aryl acyl phosphonates, providing beta-stereogenic alpha-hydroxy phosphonic acid derivatives.
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页码:594 / 597
页数:4
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