Research Article
Copper(II) Anchored on Amine-Functionalized MMT: A Highly Efficient Catalytic System for the One-Pot Synthesis of Bispyrano[2,3-c]pyrazole Derivatives
Table 3
Using MMT-[(CH2)3-NH=CHPy]-Cu(II) in preparation of various of bispyrano[2,3-c]pyrazole derivatives.