Triethylamine → HCID 67557400, compound

Participants

Reaction Steps

To a stirred solution of trans-4-amino-6cyano-3,4-dihydro-2,2-dimethyl-2H-1-benzopyran-3-ol (1.0 g), triethylamine (0.64 mL) and dichloromethane was added 4-chlorobenzoyl chloride (0.55 mL). The solution was stirred for a further 1.5 hours. The solution was washed with water and brine and dried over anhydrous magnesium sulphate. The solution was filtered and evaporated and recrystallised from ethyl acetate--60-80° petroleum ether as a white solid of mp 226-229° C.

Provenance & Evidence