发明名称 |
Bis:amide(s) of tri:iodo-5-amino-isophthalamide cpds. - useful as X=ray contrast agents, esp. for lymphography (PT 12.12.80) |
摘要 |
<p>derivs. of formula (I) are new: (R1 is lower mono- or polyhydroxyalkyl: R2 is H, lower alkyl or R1; each R3 is independently H or lower alkyl; X is an alkylene gp. interrupted by one or more sulphur or selenium atoms and opt. interrupted by O, di(lower alkyl)silyl or tetra(lower alkyl)disiloxane).. Cpds. (I) are X-ray contrast agents which can be used as aq. solns. for direct or indirect lymphography. They have good stability, are free of embolic side-effects, and have excretion times of less than 24 hr.</p> |
申请公布号 |
DE2943777(A1) |
申请公布日期 |
1981.05.27 |
申请号 |
DE19792943777 |
申请日期 |
1979.10.26 |
申请人 |
SCHERING AG BERLIN UND BERGKAMEN |
发明人 |
MUETZEL,WOLFGANG,DR.;SIEFERT,HANS-MARTIN,DR.;SPECK,ULRICH,DR.;PFEIFFER,HEINRICH,DR.;SCHULZE,PAUL-EBERHARD,DR. |
分类号 |
C07C391/00;C07F7/08;(IPC1-7):07C149/23;07C163/00;61K49/04 |
主分类号 |
C07C391/00 |
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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