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Table 3 Synthesis of chalcones 3 in presence of KF/ABM or NaNO 3 /ABM under microwave irradiation

From: New eco-friendly animal bone meal catalysts for preparation of chalcones and aza-Michael adducts

Entry    Product   Yieldsa (%)/Time (min)
  X Y KF/ABM NaNO3/ABM
1 3a H H 88/20 83/20
2 3b NO2 H 82/20 84/20
3 3c OCH3 H 82/30 89/20
4 3d Cl H 93/20 93/20
5 3g H NO2 91/20 96/20
6 3h OCH3 NO2 85/20 81/20
7 3i Cl NO2 94/20 97/20
8 3j NO2 NO2 91/25 93/20
9 3m H OCH3 79/30 82/20
10 3n NO2 OCH3 84/30 84/30
11 3o Cl OCH3 78/30 86/30
12 3q OCH3 OCH3 72/35 83/35
  1. a Yields refer to isolated compounds.