Silver triflate-catalyzed three-component reaction of 2-alkynylbenzaldehyde, sulfonohydrazide, and alpha,beta-unsaturated carbonyl compound.
A highly efficient silver triflate-catalyzed three-component reaction of 2-alkynylbenzaldehyde, sulfonohydrazide, and alpha,beta-unsaturated carbonyl compound is reported, which affords H-pyrazolo[5,1-a]isoquinoline-1-carboxylates in good yield.
Ye
Shengqing
S
Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, China.
Yang
Xiaodi
X
Wu
Jie
J