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.