Reacción #1106627

ord-78ea34a5f07b4402bc3424496ae553ff

Ecuación de reacción

O=C(CO)c1ccccc1
2-hydroxyacetophenone
Cc1ncsc1C=O
4-methylthiazole-5-carboxaldehyde
C[O][Na]
NaOCH3
C1CCOC1
THF
O=C(C=Cc1ccccc1)c1ccccc1
chalcone
Rendimiento 5.2%

Condiciones de reacción

Condiciones detalladas
See reaction.notes.procedure_details.

Procedimiento

2.21 g (16.3 mmol) of 2-hydroxyacetophenone, 1.96 g of 4-methylthiazole-5-carboxaldehyde (7.86 mmol), and 10 ml of 25% NaOCH3 were reacted in 50 ml of dry THF to give 1.59 g (5.2%) of chalcone after purification. 1H NMR (300 MHz, CDCl3): δ 12.73 (s, 1H), 8.76 (s, 1H), 8.05 (d, d, J=0.9, 15.0 Hz, 1H), 7.82 (d, d, J=1.5, 8.1 Hz, 1H), 7.49 (d, d, d, J=1.5, 7.2, 8.4 Hz, 1H), 7.31 (d, J=15.0 Hz, 1H), 7.00 (d, d, J=0.9, 8.4 Hz, 1H), 6.95-6.93 (m, 1H), 2.62 (s, 3H).

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US08715761B2uspto-grants-2014_05