One-pot to fused pyrazoles by a double cyclization of o-alkynylaldehydes with ketones and hydrazine under metal-free condition

One-pot to fused pyrazoles by a double cyclization of o-alkynylaldehydes with ketones and hydrazine under metal-free condition

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron - Volume 70, Issue 24, 17 June 2014, Pages 3782-3787

Jinxia Qiao, Bin Liu, Zongquan Liao, Ying Li, Lei Ma, Chune Dong, Hai-Bing Zhou,