Water → HCID 12128919, compound

Participants

Reaction Conditions

Reaction Steps

4-Trifluoromethylbenzaldehyde (8,7 g) was condenced with 2,4-pentanedione (5,01 g in trifluoroacetic acid (10 ml) thionylchloride (4 ml) and catalytic amount of water (0,05 ml) were added at room temperature. The solution was stirred over right at 20° C. The solvent was evaporated and the residue was destilled in vacuo, bp 110° C./1,5 mbar. The crude product was crystallized from a mixture of ether-petroleum ether (1:1), mp 46°-48° C., yield 3,8 g (30 %).

Provenance & Evidence