发明名称 |
Neue Acylderivate des Proscillaridin A und Verfahren zu ihrer Herstellung |
摘要 |
New derivs. of Proscillaridin A of general formula I and their prepn. where R', R2 and R3 = H or acyl up to C4, at least one being acyl, pref. acetyl Cardiac stimulants of increased oral effectiveness relative to proscillaridin A. (II). By treatment of II with a reactive acyl cpd. in known manner e.g. with acylhalides or anhydrides with or without a solvent and pref. in the presence of an acid binding agent at 0-150 deg. depending on the degree of acylation and the reaction time, e.g. the triacetyl deriv. is obtained after 3 days at 28 deg. or 4 hrs. at 110 deg.; the diacetyl deriv. may be obtained at -15 deg. The products contain 1-3 acyl groups on the rhamnose moiety. |
申请公布号 |
DE1568015(A1) |
申请公布日期 |
1970.02.12 |
申请号 |
DE19661568015 |
申请日期 |
1966.06.18 |
申请人 |
ASTA-WERKE AG,CHEMISCHE FABRIK |
发明人 |
DR.DIPL.-CHEM.DIETRICH VOGELSANG;BROCK,DR.MED.NORBERT;LENKE,DR.MED.VET.HABIL.HANS-DIETER |
分类号 |
C07J19/00;C07J75/00 |
主分类号 |
C07J19/00 |
代理机构 |
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代理人 |
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地址 |
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