摘要 |
This invention provides a process for preparing benzazepine compounds of the formula (1): wherein X<SUP>1</SUP>is a halogen atom, R<SUP>1</SUP>and R<SUP>2</SUP>are 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. |
申请人 |
OTSUKA PHARMACEUTICAL CO., LTD.;TORISAWA, YASUHIRO;ABE, KAORU;MUGURUMA, YASUAKI;FUJITA, SHIGEKAZU;OGAWA, HIDENORI;UTSUMI, NAOTO;MIYAKE, MASAHIRO |
发明人 |
TORISAWA, YASUHIRO;ABE, KAORU;MUGURUMA, YASUAKI;FUJITA, SHIGEKAZU;OGAWA, HIDENORI;UTSUMI, NAOTO;MIYAKE, MASAHIRO |