H4SiW12O40-catalyzed cyclization of epoxides/aldehydes and sulfonyl hydrazides: An efficient synthesis of 3,4-disubstituted 1H-pyrazoles
Guo‐Ping Yang, Xuanjie Xie, Mengyuan Cheng, Xiao-Fei Gao, Xiaoling Lin, Ke Li, Yuanyuan Cheng, Yufeng Liu
Topics & Concepts
SulfonylChemistryRegioselectivitySilicotungstic acidCatalysisOrganic chemistryCombinatorial chemistryAlkylChemical Synthesis and ReactionsSulfur-Based Synthesis TechniquesMulticomponent Synthesis of Heterocycles