Dynamic kinetic resolution of α-keto esters via asymmetric transfer hydrogenation.
Dynamic kinetic resolution of α-keto esters via asymmetric transfer hydrogenation.
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DOI:
10.1021/ja3027136
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发表时间:
2012-05-02
影响因子:
15
通讯作者:
Johnson, Jeffrey S.
中科院分区:
文献类型:
--
作者:
Steward, Kimberly M.;Gentry, Emily C.;Johnson, Jeffrey S.
The dynamic kinetic resolution of β-aryl α-keto esters has been accomplished using a newly designed (arene)RuCl(monosulfonamide) transfer hydrogenation catalyst. This dynamic process generates three contiguous stereocenters with remarkable diastereoselectivity through a reduction/lactonization sequence. The resulting enantioenriched, densely functionalized γ-butyrolactones are of high synthetic utility as highlighted by several secondary derivatizations.
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