REACTION OF TRIMETHYLSILYL ENOL ETHERS WITH ISOQUINOLINIUM SALTS. A FACILE SYNTHESIS OF ETHYL 1-(2-OXOALKYL)-1,2-DIHYDROISOQUINOLINE-2-CARBOXYLATES AND THEIR CYCLIZATION
作者:Makoto Wada、Masayuki Nakatani、Kin-ya Akiba
DOI:10.1246/cl.1983.39
日期:1983.1.5
An efficient method is described for the synthesis of ethyl 1-(2-oxoalkyl)-1,2-dihydroisoquinoline-2-carboxylates by C–C bond formation between 2-ethoxycarbonylisoquinolinium chloride and trimethylsilyl enol ethers. The products were treated with a few bases to afford the corresponding pyrido [2,1-a] isoquinoline derivatives.
描述了一种通过 2-乙氧基羰基异喹啉氯化物和三甲基甲硅烷基烯醇醚之间形成 C-C 键来合成 1-(2-氧代烷基)-1,2-二氢异喹啉-2-羧酸乙酯的有效方法。产物用几种碱处理,得到相应的吡啶并[2,1-a]异喹啉衍生物。