Facile synthesis of sulfenyl-substituted isocoumarins, heterocycle-fused pyrones and 3-(inden-1-ylidene)isobenzofuranones by FeCl 3-promoted regioselective annulation of o-(1-alkynyl)benzoates and o-(1-alkynyl)heterocyclic carboxylates with disulfides

Autor: Li, Zhen, Hong, Jianquan, Weng, Linhong, Zhou, Xigeng
Zdroj: In Tetrahedron 2012 68(5):1552-1559
Databáze: ScienceDirect