Synthesis of Tetracyclic Quinazolinones Using a Visible-Light-Promoted Radical Cascade Approach
作者:Yue-Yue Han、Heng Jiang、Ruzhi Wang、Shouyun Yu
DOI:10.1021/acs.joc.6b00869
日期:2016.8.19
A practical approach for the synthesis of tetracyclic pyrroloquinazolines using photoredox strategy has been developed. The visible-light-promoted intramolecular single-electron-transfer (SET) process between photocatalyst and N-(2-iodobenzyl)-N-acylcyanamides is considered to be involved in this transformation. Targeted pyrroloquinazoline derivatives (15 examples) are presented in good isolated yields