环异构化
化学
部分
阳离子聚合
亲核细胞
吡咯
催化作用
组合化学
选择性
药物化学
立体化学
有机化学
作者
Qiuling Wan,Luoting Xin,Jian Zhang,Xueliang Huang
摘要
A gold-catalysed cycloisomerization of 1,5-diynes is described, which offers a selective approach to access 1,3,4-trisubstituted pyrroles. In this reaction, the cationic gold catalyst activates the ynamide moiety, initiating the cycloisomerization to produce the pyrrole core, and H2O acts as an external nucleophile to trap the vinyl cationic species, thus leading to the formation of 1,3,4-trisubstituted pyrroles with high selectivity.
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