928151-34-2Relevant articles and documents
PROCESS FOR PREPARING BENZAZEPINE COMPOUNDS OR SALTS THEREOF
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Page/Page column 30, (2008/06/13)
This invention provides a process for preparing benzazepine compounds of the formula (1): wherein X1is a halogen atom, R1and R2are a lower alkyl group, or salts thereof as well as intermediate benzoic acid compounds in high yield and high purity on industrial scale, which are useful as an intermediate for preparing a pharmaceutically active 2,3,4,5-tetrahydro-1H-1-benzazepine compound having vasopressin antagonistic activity.