A general method for the preparation of 4,5-dihydro-, 1,2,4,5-tetrahydro-, 4,5,6,7-tetrahydro- and 1,2,4,5,6,7-hexahydroazepino[3,2,1-hi]indoles was established by using intramolecular Friedel-Crafts alkylation of chloromethylthioacetamide as a crucial step.

中文翻译：

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氢化a庚啶[3,2,1- hi ]吲哚的制备

制备4,5-二氢-，1,2,4,5-四氢-，4,5,6,7-四氢和1,2,4,5,6,7-六氢阿斯皮诺的一般方法[通过使用氯甲基硫代乙酰胺的分子内Friedel-Crafts烷基化作为关键步骤来建立3,2,1- hi ]吲哚。