Table 1 Optimization studies for the synthesis of tetrahydrobenzo[b]pyran derivatives in the presence of Cu@MIL-125-NH-Ac-Meta.

From: Copper immobilized MIL-125-NH2 as an efficient nanocatalyst for click reaction and synthesis of benzo[b]pyrans

  1. aReaction conditions: 1 mmol 4-chlorobenzaldehyde, 1 mmol malononitrile acid, and 1 mmol of dimedone in 5 ml solvent under an inert atmosphere for 0.5 h.
  2. bYield refers to isolated pure products.
  3. Significant values are in [bold].
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