发明名称 |
1-(DIHYDROXYPHENYL)-2-AMINO-ETHANOL DERIVATIVES; PREPARATION, COMPOSITIONS AND INTERMEDIATES |
摘要 |
New bronchospasmolytically active compounds exhibiting long duration of action and reduced undesired side effects of the structural formula <IMAGE> I and therapeutically acceptable salts thereof, in which formula R is selected from the group consisting of -C(CH3)3, <IMAGE> R1 is selected from the group consisting of H and R2, R2 represents the radical of the formula <IMAGE> wherein R3 is selected from the group consisting of (a) H (b) alkyl groups containing 1-3 carbon atoms <IMAGE> wherein R5 is selected from the group consisting of (e) OH (b) alkoxy groups containing 1-3 carbon atoms and wherein R4 is selected from the group consisting of (a) H (b) alkyl groups containing 1-3 carbon atoms, with the proviso that R3 and R4 are combined as follows: -when R3 is then is R4 -H H -alkyl group of 1-3 carbon atoms H or an alkyl group - of 1-3 carbon - atoms - -<IMAGE> H - processes for the preparation thereof, chemical intermediates at their preparation, pharmaceutical preparations containing them, and their medicinal use. |
申请公布号 |
DE3163871(D1) |
申请公布日期 |
1984.07.05 |
申请号 |
DE19813163871 |
申请日期 |
1981.06.30 |
申请人 |
AKTIEBOLAGET DRACO |
发明人 |
OLSSON, OTTO AGNE;SVENSSON, LEIF AKE;WETTERLIN, KJELL INGVAR LEOPOLD |
分类号 |
C07C215/60;A61K;A61K31/137;A61K31/27;A61K31/375;A61P11/00;A61P11/08;A61P13/02;A61P15/00;C07C;C07C67/00;C07C215/00;C07C215/34;C07C239/00;C07C269/06;C07C271/44;C07C271/58;(IPC1-7):C07C125/06 |
主分类号 |
C07C215/60 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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