会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 6. 发明专利
    • DE1545963A1
    • 1969-11-20
    • DE1545963
    • 1965-08-25
    • HOFFMANN LA ROCHE
    • WENNER WILHELM
    • A61K31/00C07D217/06
    • The invention comprises compounds of the formula wherein S represents 6- or 7-hydroxy, 6,7-dihydroxy, 6-hydroxy-7-(C1- 7 alkoxy) or 6-(C1- 7 alkoxy)-7-hydroxy substitution; acid addition salts thereof; and a process for their preparation comprising reacting an amine of the formula or an acid addition salt thereof, with a compound which yields the amidino group, e.g. cyanamide or a pseudourea or isothiourea of the formula R1-C(=NH)NH2, wherein R1 represents an alkoxy or alkylmercapto group, and, if desired, converting the product, if an acid addition salt, into the free base or into another acid addition salt or, if a base, into an acid addition salt. Pharmaceutical compositions, having hypotensive activity, for oral or parenteral administration, comprise a compound of the invention together with a pharmaceutical carrier.