Disclosed is a technology for enabling an efficient asymmetric Michael addition reaction which does not require a large amount of a malonic ester, while having a short reaction time. Specifically disclosed is a catalyst which is composed of MX2 /sup
-
Page/Page column 6; 13
(2011/04/14)
Catalytic use of Strontium hexamethyldisilazide in the asymmetric Michael addition of malonate to chalcone derivatives
Strontium hexamethyldisilazide, combined with a chiral bis(sulfonamide) ligand, was found to be very effective for the catalytic asymmetric Michael addition of malonate to chalcone derivatives. Copyright
Strontium-catalyzed highly enantioselective Michael additions of malonates to enones
A novel catalyst system based on a chiral strontium complex which promotes the catalytic asymmetric Michael addition reactions of malonates to enones has been developed. The conjugate addition reactions proceeded smoothly in the presence of 5 mol % of the
Agostinho, Magno,Kobayashi, Shu
p. 2430 - 2431
(2008/09/19)
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