AN IMPROVED PROCEDURE FOR THE SYNTHESIS AND USE OF [RUCL2(BINAP)]2.NET3 - DEPENDENCE OF THE RU(II)-BINAP CATALYZED ASYMMETRIC HYDROGENATION OF BETA-KETO-ESTERS ON TRACE AMOUNTS OF ACID

被引:106
作者
KING, SA
THOMPSON, AS
KING, AO
VERHOEVEN, TR
机构
[1] Department of Process Research, Merck Research Laboratories, Rahway, New Jersey 07065
关键词
D O I
10.1021/jo00051a002
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The asymmetric hydrogenation of beta-keto esters using 0.02-0.05 mol % Ru(II)-BINAP-derived catalyst can be conducted in a stardard Parr shaker apparatus at 40-degrees-C and 30 psi of hydrogen in the presence of 0.1 mol % of a strong acid.
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页码:6689 / 6691
页数:3
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