Trifluoroacetic acid → HCID 178521336, compound

Participants

Reaction Steps

To a solution of the compound (7.82 g), which had been obtained in (1), in anhydrous dichloromethane (10 ml), trifluoroacetic acid (5 ml) was added dropwise under ice cooling, followed by stirring for 4 hours. The reaction mixture was concentrated by evaporation under reduced pressure. The residue was washed with hexane-ether and the solvent was distilled off, whereby 1.00 g of the title compound was obtained. The product was provided for use in the subsequent reaction without purification.

Provenance & Evidence