Ionic liquid coated sulfonated carbon@titania composites for the one-pot synthesis of indeno[1,2-b]indole-9,10-diones and 1H-pyrazolo[1,2-b]phthalazine-5,10-diones in aqueous media
A novel and efficient ionic liquid based solid Bronsted acid catalyst has been designed and explored as a recyclable catalytic system for multicomponent synthesis in an aqueous reaction media.