Synthesis of 1,4-dithiins and 1,4-diselenins from alkynes and elemental sulfur/selenium under transition metal-free conditions with high regioselectivity
Lu Cheng, Mengdan Wang, Yingge Gu, Peng He, Zongkang Wang, Ziyi Zhuang, Lingkai Kong, Yanzhong Li
Abstract
A straightforward protocol for the synthesis of various 1,4-dithiines and 1,4-diselenins starting from alkynes and elemental sulfur/selenium with high regioselectivity under transition metal-free conditions is demonstrated.
Topics & Concepts
ChemistryRegioselectivitySeleniumSulfurTransition metalOrganic chemistryCatalysisSulfur-Based Synthesis TechniquesSynthesis and Catalytic ReactionsOrganic Chemistry Cycloaddition Reactions