2,3,4,9-Tetrahydro-1<i>H</i>-pyrido[3,4-<i>b</i>]indoles.<b>II</b>. Reversible transformation of 1-alkyl-2-(4,9-dihydro-3<i>H</i>-pyrido[3,4-<i>b</i>]indol-1-yl)cyclohexanol into 1-alkylidene-2,3,4,9-tetrahydro-1<i>H</i>-pyrido[3,4-<i>b</i>]indoles
作者:George Bobowski
DOI:10.1002/jhet.5570240232
日期:1987.3
Treatment of 2-(4,9-dihydro-3H-pyrido[3,4-b]indol-1-yl)-1-methylcyclohexanol (2a) with acetic anhydride or methyl isocyanate gave 2-acetyl-2,3,4,9-tetrahydro-1-(6-oxoheptylidene)-1H-pyrido[3,4-b]indole (3) or 1,3,4,9-tetrahydro-N-methyl-1-(6-oxoheptylidene)-2H-pyrido[3,4-b]indole-2-carboxamide (4), respectively. Simpler analogues, 1-alkyl-4,9-dihydro-3H-pyrido[3,4-b]indoles, 7, subjected to identical
用乙酸酐或异氰酸甲酯处理2-(4,9-二氢-3 H-吡啶并[3,4- b ]吲哚-1-基)-1-甲基环己醇(2a)得到2-乙酰基-2,3, 4,9-四氢-1-(6-氧代庚基)-1 H-吡啶并[3,4- b ]吲哚(3)或1,3,4,9-四氢-N-甲基-1-(6-氧代庚基) )-2H-吡啶并[3,4- b ]吲哚-2-羧酰胺(4)。在相同的反应条件下,简单的类似物1-烷基-4,9-二氢-3 H-吡啶并[3,4- b ]吲哚7产生2-乙酰基-1-亚烷基-2,3,4,9 -四氢-1 H-吡啶基[3,4- b〕吲哚8和1,3,4,9-四氢- ñ -甲基-1-烷基1-沙地-2 ħ吡啶并[3,4- b ]吲哚-2-羧酰胺9,分别。还进行了有限的镧系元素迁移试剂研究,以确定立体化学分配。