abstract |
A useful as a therapeutic or preventive agent for nocturia and / or diabetes insipidus, selectively stimulating vasopressin V 2 receptors 4,4-Difluoro-1,2,3,4-tetrahydro -5H- Provision of a method for producing a 1-benzazepine derivative or a salt thereof. A process for producing a 4,4-difluoro-1,2,3,4-tetrahydro-5H-1-benzazepine derivative or a salt thereof, comprising a step of condensing a carboxylic acid derivative and an amine compound. [Selection figure] None |