| 发明名称 |
A PROCESS FOR THE PREPARATION OF N,N'-SUBSTITUTED 5-AMINO-1,3-BENZENEDICARBOXAMIDES |
| 摘要 |
The invention relates to a process for the preparation of a compound of formula (I), wherein R represents a 2,3-dihydroxy-1-propyl or a 1,3-dihydrox y- 2-propyl radical, via direct amidation of a dialkyl ester of 5-amino-1,3- benzenedicarboxylic acid of formula (V), wherein R1 represents a straight or branched (C1-C4)-alkyl group, with at least the stoichiometric amount of an amine of formula H2NR.
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| 申请公布号 |
CA2430293(A1) |
申请公布日期 |
2002.06.06 |
| 申请号 |
CA20012430293 |
申请日期 |
2001.11.28 |
| 申请人 |
BRACCO IMAGING S.P.A. |
发明人 |
BROCCHETTA, MARINO;ANELLI, PIER LUCIO;CAPPELLETTI, ENRICO;LUX, GIOVANNA |
| 分类号 |
C07C227/04;C07C227/18;C07C231/02;C07C231/12;C07C231/14;C07C237/32;C07C237/42;(IPC1-7):C07C231/02 |
主分类号 |
C07C227/04 |
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