Copper(II) Anchored on Amine-Functionalized MMT: A Highly Efficient Catalytic System for the One-Pot Synthesis of Bispyrano[2,3-c]pyrazole Derivatives

<div>FTIR spectra of MMT K10 (a), MMT-[(CH<sub>2</sub>)<sub>3</sub>-NH<sub>2</sub>] (b), MMT-[(CH<sub>2</sub>)<sub>3</sub>-NH=CHPy] (c), and MMT-[(CH<sub>2</sub>)<sub>3</sub>-NH=CHPy]-Cu(II) (d).</div>

Journal of Chemistry

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Figure 2: Copper(II) Anchored on Amine-Functionalized MMT: A Highly Efficient Catalytic System for the One-Pot Synthesis of Bispyrano[2,3-c]pyrazole Derivatives 

Figure 2 | Copper(II) Anchored on Amine-Functionalized MMT: A Highly Efficient Catalytic System for the One-Pot Synthesis of Bispyrano[2,3-c]pyrazole Derivatives 