Expedited access to thieno[3,2-c]quinolin-4(5H)-ones and benzo[h]-1,6-naphthyridin-5(6H)-ones via a continuous flow photocyclization method
作者:Y. Fang、G. K. Tranmer
DOI:10.1039/c6ob02279k
日期:——
heterocycles via an intramolecular photochemical cyclization. Herein we report the first examples of the photochemically-induced generation of thieno[3,2-c]quinolin-4(5H)-ones, 16 examples, and benzo[h]-1,6-naphthyridin-5(6H)-ones, 6 examples. Overall, the continuous flow method provides access to complex heterocycles in two steps from commercially available starting materials in good yields and with
已经开发出一种单步连续流动方法,该方法可以通过分子内光化学环化作用快速进入复杂的杂环。在这里,我们报告的第一个例子是光化学诱导的thieno [3,2 - c ] quinolin-4(5 H)-ones,16个例子,和苯并[ h ] -1,6-naphthyridin-5(6 H)-一个,有6个例子。总体而言,连续流方法可从市售原料中分两步轻松获得复杂的杂环,且收率高,且原子效率高于传统的间歇反应。