“Bicyclobenzodiazepinones” from 3-oxo-1,2-diazetidinium hydroxide, inner salts
作者:Edward C. Taylor、Denis M. Sobieray
DOI:10.1016/s0040-4020(01)91027-0
日期:1991.11
1,3-Dipolarcycloaddition of benzyne with 3-oxo-l,2-diazetidinium hydroxide, inner salts leads to tricyclicadducts which have been termed “bicyclobenzodiazepinones” because of their structural relationship to 1,4-benzodiazepinones. In analogous fashion, cycloaddition of benzyne with 3-oxopyrazolidinium hydroxide, inner salts, leads to homologous tricyclicadducts. Efforts to convert these readily