发明名称 |
WERKWIJZE VOOR HET BEREIDEN VAN BASISCH GESUBSTITUEERDE ALKYLTHEOFYLLINEDERIVATEN. |
摘要 |
<p>Basic substituted alkyl theophylline derivatives of the formula <IMAGE> (I) in which Alk is a straight or branched chain alkylene group with 2 to 4 carbon atoms and R is hydrogen or a methyl group are produced by catalytic hydrogenation of compounds of the formula <IMAGE> (II) where the phenolic hydroxyl groups and/or the secondary basic nitrogen atom can contain protective groups using as the solvent a compound of the formula <IMAGE> (III) where R', R'' and R''' are the same or different and are alkyl groups of 1 to 2 carbon atoms and R' together with R''' can also be an alkylene bridge with 3 to 4 carbon atoms and in a given case the protective groups present are split off.</p> |
申请公布号 |
NL179820(B) |
申请公布日期 |
1986.06.16 |
申请号 |
NL19780000511 |
申请日期 |
1978.01.16 |
申请人 |
DEGUSSA AKTIENGESELLSCHAFT TE FRANKFORT A.D. MAIN, BONDSREPUBLIEK DUITSLAND. |
发明人 |
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分类号 |
C07D473/08;(IPC1-7):C07D473/08 |
主分类号 |
C07D473/08 |
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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