发明名称 |
2-AMINO-1-(1,3-DIOXOLAN-4-YL)-ETHANOL COMPOUNDS, THEIR PREPARATION AND USE |
摘要 |
<p>2-Amino-1-(1,3-dioxolan-4-yl)-ethanol compounds, their preparation and use The invention relates to 2-amino-1-(1,3-dioxolan-4-yl)-ethanol compounds of the general formula < IMG > (I), in which R1 and R2 are the same or different and represent hydrogen, a (C1 to C4)alkyl group or a (C1 to C4)alkoxy group with the proviso that if one represents a (C1 to C4)alkoxy group the other represents a (C1 to C4)alkyl group or R1 and R2 together represent an alkylene radical having 5 or 6 carbon atoms, their preparation and use. The compounds of the general formula I are especially suitable for preparing shadow-forming substances for use in X-ray contrast agents.</p> |
申请公布号 |
CA1237726(A) |
申请公布日期 |
1988.06.07 |
申请号 |
CA19820418018 |
申请日期 |
1982.12.17 |
申请人 |
SCHERING AKTIENGESELLSCHAFT |
发明人 |
NIEDBALLA, ULRICH;GRIES, HEINZ |
分类号 |
C07C233/00;C07C237/46;C07D317/28;C07D317/34;C07D317/72;(IPC1-7):C07D317/28 |
主分类号 |
C07C233/00 |
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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