Abstract
Spiropyrrolidine engrafted ferrocene heterocycles were synthesized in excellent yields in a sustainable fashion employing an ionic liquid, 1-butyl-3-methylimidazoliumbromide accelerated one-pot multicomponent cycloaddition strategy. The in situ 1,3-dipole component derived from indenoquinoxalinone and L-phenylalanine that reacts with various substituted ferrocenyl chalcone in [bmim]Br affording spirocycloadduct.
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