Synthesis of new heterocyclic systems—substituted spiro[chromene-4,3′-indoles] and spiro[indole-3,4′-quinolines]
作者:S. A. Pogosyan、Dzh. A. Avakimyan、H. M. Stepanyan
DOI:10.1134/s1070428016090098
日期:2016.9
Methods have been developed for the synthesis of new heterocyclic systems, spiro[chromene-4,3′- indoles] and spiro[indole-3,4′-quinolines] by the base-catalyzed domino reaction of isatins with 5,5-dimethylcyclohexane- 1,3-dione (or 5,5-dimethyl-3-anilinocyclohex-2-en-1-one) and ethyl cyanoacetate.
已经开发了通过靛红与5,5-二甲基环己烷的碱催化多米诺反应合成新的杂环系统,螺环[chromene-4,3'-吲哚]和螺环[吲哚-3,4'-喹啉]的方法。 -1,3-二酮(或5,5-二甲基-3-苯胺基环己二-2-烯-1-酮)和氰基乙酸乙酯。