A new approach to the synthesis of pyrido[4,3-b]indole derivatives (γ-carbolines) via cyclization of enamino dinitriles
作者:O. B. Smirnova、T. V. Golovko、L. M. Alekseeva、A. S. Shashkov、V. G. Granik
DOI:10.1007/s11172-008-0344-9
日期:2008.11
Reactions of 2-dicyanomethylidene-3-ethoxymethylidene-2,3-dihydroindole with various amines afforded enamino dinitriles and the corresponding pyrido[4,3-b]indoles (γ-carbolines). 3-Amino-4-cyano-5H-pyrido[4,3-b]indole reacted with cyclohexanone to give pentacyclic 13-amino-2,3,4,12-tetrahydro-1H-benzo[b]indolo[2,3-f]-1,8-naphthyridine. Alkylation of pyrido[4,3-b]indoles with various alkylating agents
2-二氰基亚甲基-3-乙氧基亚甲基-2,3-二氢吲哚与各种胺反应得到烯氨基二腈和相应的吡啶并[4,3-b]吲哚(γ-咔啉)。3-氨基-4-氰基-5H-吡啶并[4,3-b]吲哚与环己酮反应生成五环13-氨基-2,3,4,12-四氢-1H-苯并[b]吲哚[2,3] -f]-1,8-萘啶。研究了吡啶并 [4,3-b] 吲哚与各种烷化剂的烷基化反应。