Acetic Acid → HCID 22414427, compound

Participants

Reaction Steps

A solution of 6.00 g of 2-amino-N-methyl-α-(3-thienyl)benzeneethanamine and 10 ml of triethyl orthopropionate, was treated with 8 ml of glacial acetic acid. After refluxing for eight hours, the volatile components were removed at 70° C. on a rotary evaporator. The residual oil was decanted into an ice-water mixture and basified with 10% sodium hydroxide solution. The aqueous mixture was extracted with dichloromethane and the organic phase was dried over anhydrous magnesium sulfate, filtered, and concentrated to provide 4,5-dihydro-2-ethyl-3-methyl-4-(3-thienyl)-3H-1,3-benzodiazepine as an oil.

Provenance & Evidence