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
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