An efficient synthesis of tetrahydroquinoline derivatives is reported via three component coupling reactions of aldehydes and anilines with various dienophiles in the presence of a catalytic amount of perchloric acid ...An efficient synthesis of tetrahydroquinoline derivatives is reported via three component coupling reactions of aldehydes and anilines with various dienophiles in the presence of a catalytic amount of perchloric acid adsorbed on silica gel（HClO;-SiO;） under mild reaction conditions.展开更多
A new series of imidazole-containing 1, 5-benzodiazepines have been synthesized by the condensation of chalcones with o- phenylenediamine using piperidine in polyethylene glycol （PEG-400） as an efficient and green r...A new series of imidazole-containing 1, 5-benzodiazepines have been synthesized by the condensation of chalcones with o- phenylenediamine using piperidine in polyethylene glycol （PEG-400） as an efficient and green reaction solvent. The advantages of this protocol are environmental friendliness, easy work-up, high yields, mild reaction condition and avoidance of expensive catalyst. Furthermore, newly synthesized compounds were evaluated for their antimicrobial activity.展开更多
基金Department of Science and Technology,India(No.SR/FT/CS-019/2008) for their financial support
文摘An efficient synthesis of tetrahydroquinoline derivatives is reported via three component coupling reactions of aldehydes and anilines with various dienophiles in the presence of a catalytic amount of perchloric acid adsorbed on silica gel（HClO;-SiO;） under mild reaction conditions.
文摘A new series of imidazole-containing 1, 5-benzodiazepines have been synthesized by the condensation of chalcones with o- phenylenediamine using piperidine in polyethylene glycol （PEG-400） as an efficient and green reaction solvent. The advantages of this protocol are environmental friendliness, easy work-up, high yields, mild reaction condition and avoidance of expensive catalyst. Furthermore, newly synthesized compounds were evaluated for their antimicrobial activity.
