Formic Acid → HCID 19785214, compound

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Reaction Steps

A mixture of 1-phenylsulphonyl-1,4,5,6,7,8-hexahydro-8-phenylpyrrolo[2,3-d]azepine (1.24 g), formic acid (0.86 gm), 40% formaldehyde (1.3 ml), and dimethylformamide (30 ml) were refluxed for 1 hour. After evaporating to dryness, 5M hydrochloric acid was added to the residue and the solution was washed with ether three times. The aqueous solution was basified with 5M sodium hydroxide and the product was extracted into dichloromethane. The extracts were washed with water, dried and evaporated to give a solid, m.p. 115°-116° C. (ethanol).

Provenance & Evidence