Browsing by Author "Kumari, A."

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Chiral squaramide-catalyzed enantioselective decarboxylative addition of b-Keto acids to isatin imines

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 ...
Isolation and immobilization of alkaline protease on mesoporous silica and mesoporous ZSM-5 zeolite materials for improved catalytic properties

Kumari, A.; Kaur, B.; Srivastava, R.; Sangwan, R.S. (2016-08-02)

Alkaline protease from brinjal leaf (Solanum melongena) having milk clotting activity has been purified to 9.44 fold to a final specific activity of 45.71 U/mg. SDS-PAGE of the final preparation revealed a single protein ...
Organocatalytic asymmetric decarboxylative addition of b-ketoacids to methyleneindolinones derivatives

Kumari, A.; Kaur, J.; Bhardwaj, V.K.; Chimni, S.S. (2018-12-29)

The quinine squaramide-catalyzed enantioselective decarboxylative addition reaction of various -keto acids with methyleneindolinones has been developed. Through this methodology, various oxindole derivatives were synthesized ...

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