Acetic Acid → HCID 22632641, compound

Participants

Reaction Steps

0.08 mmol of 4-(4-chlorobenzoyl)-1-(4-piperidinylmethyl)-1,3,4,5-tetrahydrobenzo[e][1,4]diazepin-2-on trifluoroacetate obtained in Example 140 and 5 mg (0.17 mmol) of paraformaldehyde were dissolved in 3 ml of dichloromethane. 12 mg (0.20 mmol) of acetic acid was added to the obtained solution. After stirring at room temperature for 30 minutes, 53 mg (0.25 mmol) of sodium triacetoxyborohydride was added to the obtained mixture, and they were stirred at room temperature overnight. After the treatment with dichloromethane as the extracting solvent by an ordinary method, the obtained crude product was treated in the same manner as in step 3 in Example 1 to obtain the title compound.

Provenance & Evidence