| 发明名称 |
A PROCESS FOR THE PREPARATION OF 5H,9bH-2a, 4a,7,9a-OCTAHYDROTETRAAZACYCLOOCTA [cd]PENTALENE |
| 摘要 |
A process for the preparation of 5H,9bH-2a, 4a,7,9a-octahydrotetraazacycloocta [cd]pentalene of formula (I) which comprises the reaction of 1,4,7,10-tetraazacyclododecane with triethyl orthoformate in the absence of solvent and in the presence of an acid catalyst.
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| 申请公布号 |
WO9856791(A1) |
申请公布日期 |
1998.12.17 |
| 申请号 |
WO1998EP03352 |
申请日期 |
1998.06.04 |
| 申请人 |
BRACCO S.P.A.;DIBRA S.P.A.;VISCARDI, CARLO, FELICE;AUSONIO, MARINA;GAGNA, MASSIMO;SECCHI, CARLO |
发明人 |
VISCARDI, CARLO, FELICE;AUSONIO, MARINA;GAGNA, MASSIMO;SECCHI, CARLO |
| 分类号 |
C07D487/16;C07D257/02;C07D487/18;(IPC1-7):C07D487/14 |
主分类号 |
C07D487/16 |
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