Kaur, J.; Kumari, A.; Bhardwaj, V.K.; Chimni, S.S.
(2017-06-20)
An efficient chiral squaramide-catalyzed
enantioselective decarboxylative addition reaction of
b-keto acids to isatin imines has been developed.
The reaction proceeds smoothly using 20 mol% of organocatalyst to afford ...