An Improved Synthesis of β-Carboline and Azepino-and Azocino[3,4-b]Indole Derivatives from Lactams
作者:G. P. Tokmakov
DOI:10.1007/s10593-014-1463-x
日期:2014.5
treatment with aryl hydrazines afforded the 2,3,4,9-tetrahydro-1Н-β-carbolin-1-ones, 3,4,5,10-tetrahydroazepino[3,4-b]indol-1(2Н)-ones, and 2,3,4,5,6,11-hexahydro-1Н-azocino[3,4-b]indol-1-ones. The synthesis was performed as a one-pot process without isolating the intermediate α-formyl lactams.
丁内酰胺,N-甲基丁内酰胺,N-甲基戊内酰胺和N-甲基己内酰胺的Vilsmeier甲酰化反应,然后用芳基肼处理,得到2,3,4,9-四氢-1Н-β-carbolin-1-one,3,4, 5,10-四氢氮杂环庚烷[3,4-b]吲哚-1(2Н)-ones和2,3,4,5,6,11-hexahydro-1Н-azocino[3,4-b] indol-1-那些。合成是通过一锅法进行的,无需分离中间体α-甲酰基内酰胺。