作者:Surachai Nimgirawath、Phansuang Udomputtimekakul
DOI:10.3390/molecules14030917
日期:——
Treatment of 1-(2-bromoarylmethyl)-3,4-dihydroisoquinolines with oxalyl chloride and triethylamine gave 1-(2-bromophenyl)-5,6-dihydropyrrolo[2,1-a]isoquinoline-2,3-dione derivatives, for example, 1-(2-bromophenyl)-5,6-dihydro-8,9-dimethoxypyrrolo[2,1-a]isoquinoline-2,3-dione. Radical cyclisation of these derivatives with tributyltin hydride and 1,1-azobis(cyclohexanecarbonitrile) afforded telisatin
用草酰氯和三乙胺处理 1-(2-溴芳甲基)-3,4-二氢异喹啉,得到 1-(2-溴苯基)-5,6-二氢吡咯并[2,1-a]异喹啉-2,3-二酮衍生物,例如,1-(2-溴苯基)-5,6-二氢-8,9-二甲氧基吡咯并[2,1-a]异喹啉-2,3-二酮。这些衍生物与三丁基氢化锡和 1,1-偶氮双(环己烷甲腈)的自由基环化得到 telisatin A、telisatin B 和 lettowianthine。