alpha-Hydroxyacetophenone → Cinnamoylbenzene

Participants

Reaction Steps

2.5 g (15.8 mmol) of 2-hydroxyacetophenone, 2.8 g of 4-morpholinobenzaldehyde (14.5 mmol), and 10 ml of 25% wt NaOCH3 were reacted in 50 ml of dry THF to give 2.52 g (56%) of chalcone after purification. 1H NMR (300 MHz, CDCl3): δ 12.99 (s, 1H), 8.43 (d, J=2.4 Hz, 1H), 7.93-7.84 (m, 3H), 7.52-7.48 (m, 2H), 7.03 (d, d, J=0.9, 8.4 Hz, 1H), 6.97-6.92 (m, 1H), 6.68 (d, J=9.0 Hz, 1H), 3.86-3.83 (m, 4H), 3.69-3.66 (m, 4H).

Provenance & Evidence