Synthesis of 3-Alkyl-3-bromo-1-ethoxycarbonyl-1,3-dihydro-2<i>H</i>-indol-2-ones
作者:Egle M. Beccalli、Alessandro Marchesini
DOI:10.1055/s-1992-26084
日期:——
3-Alkyl-1,3-dihydro-2H-indol-2-ones 1 are converted to the coresponding 2-ethoxycarbonyloxy derivatives 2 by reaction with ethyl chloroformate in the presence of triethylamine. Bromination of 2 affords the title compounds in 73-93% yield.
Synthesis of pyrrolo[1,2-c]quinazoline derivatives.
作者:Egle M. Beccalli、Alessandro Marchesini、Tullio Pilati
DOI:10.1016/s0040-4020(01)89032-3
日期:——
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]quinazolinederivatives 14 and 15.