Addition of boron enolates to isoquinolinium salts: A facile synthesis of 1-β-keto substituted 2-ethoxycarbonyl-1,2-dihydroisoquinolines and their cyclization
作者:Kin-ya Akiba、Kei-ichi Araki、Masayuki Nakatani、Makoto Wada
DOI:10.1016/s0040-4039(01)92392-5
日期:——
An efficient method to synthesize 1-β-keto substituted 2-ethoxycarbonyl (or 2-acetyl)-1,2-dihydroisoquinolines (3) is described, utilizing boron enolates and isoquinolinium salts. The products were treated with sodium ethoxide to afford the corresponding cyclic compounds (6).
描述了一种利用烯醇硼和异喹啉鎓盐合成1-β-酮取代的2-乙氧基羰基(或2-乙酰基)-1,2-二氢异喹啉(3)的有效方法。用乙醇钠处理产物,得到相应的环状化合物(6)。