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. 2017 Dec 24;23(1):43. doi: 10.3390/molecules23010043

Table 2.

The influence of the catalyst dosage a.

graphic file with name molecules-23-00043-i001.jpg
Entry Catalyst Dogase (g) Time (min) Yield (%) b
1 — 10 ± 0.5 (h) 89.2 ± 2.4
2 0.05 58 ± 5 92.9 ± 3.1
3 0.10 33 ± 3 94.3 ± 2.8
4 0.15 15 ± 2 95.1 ± 2.6
5 0.20 12 ± 2 94.1 ± 3.2
6 0.25 10 ± 1 93.8 ± 2.9
7 0.30 9 ± 1 94.3 ± 2.1
8 c 0.15 4 ± 0.2 (h) 94.9 ± 2.6
9 d 0.15 4 ± 0.2 (h) 87.9 ± 2.7
10 e — 28 ± 1.5 (h) 85.2 ± 2.8

a Reaction conditions: 5.0 mmol of benzaldehyde, 5.0 mmol of malononitrile, 20 mL of 95% EtOH, room temperature (25 °C); b Isolated yield; c SCB as the catalyst; d SCB-Cl as the catalyst; e Without solvent.