作者:Edward C. Taylor、Denis M. Sobieray
DOI:10.1016/s0040-4020(01)91027-0
日期:1991.11
1,3-Dipolar cycloaddition of benzyne with 3-oxo-l,2-diazetidinium hydroxide, inner salts leads to tricyclic adducts 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 tricyclic adducts. Efforts to convert these readily
苯甲酸与3-氧代-1,2-二氮杂二鎓氢氧化物的内盐的1,3-偶极环加成反应导致三环加合物,由于其与1,4-苯并二氮杂酮的结构关系而被称为“双环苯并二氮杂酮”。以类似方式,将苯炔与3-氧杂吡唑鎓氢氧化物,内盐环加成,得到同源的三环加合物。描述了将这些易于获得的稠合的氮杂-β-内酰胺和氮杂-γ-内酰胺转化为苯并二氮杂pin酮和苯并二恶嗪酮的努力。据报道,从上述“双环苯并二氮杂酮”到吲唑的几种新颖的环裂解反应。