Design of task-specific ionic liquid, 1-(ethylaceto acetate)-1-(2-hydroxyethyl) piperidinium tetrachloroaluminate for multicomponent synthesis of 3,3′-disubstituted oxindoles
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DOI: 10.1007/s11164-017-3034-0
Abstract: We have designed and synthesized an efficient novel task-specific ionic liquid, 1-(ethylaceto acetate)-1-(2-hydroxyethyl) piperidinium tetrachloroaluminate [EAHEPiPY]+ [AlCl4]–. Its catalytic efficiency was explored for multicomponent reaction of isatin(s), malononitrile, and indole(s) furnished corresponding 3,3′-disubstituted oxindoles via… read more here.
Keywords: specific ionic; ionic liquid; ethylaceto acetate; task specific ... See more keywords