Synthesis of pyrrolo[1,2-c]quinazoline derivatives

Article abstract of DOI:10.1016/S0040-4020(01)89032-3

Δ²-Pyrrolin-4-ones 12 and 13, prepared from 1-acyl-3-alkyl-1,3-dihydro-2H-indol-2-ones 1, via the corresponding 3-bromo-, 2 and 6, 3-azido, 7 and 8, and 3-iminophosphorane 9 and 10, were cyclized to the corresponding pyrrolo[1,2-c]quinazoline d