发明名称 |
PROCESS FOR THE PREPARATION OF 5-METHYL-3,6-DI-(ARYLCARBOXAMIDO)-4,7-DIHYDROPYRAZOLO[1,5-A]PYRIMIDINES DERIVATIVES |
摘要 |
A process for the preparation of 5-methyl-3,6-di-(arylcarboxamido)-4,7-dihydropyrazolo[1,5-a]pyrimidines derivatives of formula I I involves condensation of 4-(N-arylcarboxamido)-3-amino-1H-pyrazole, substituted arylacetamide and aldehyde in dimethylformamide. Mixture is heated to the state of clear solution and hold at light boiling for 15-20 min.up to full dewatering. The solution is cooled and prior to filtering ethanol is added.
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申请公布号 |
UA81081(C2) |
申请公布日期 |
2007.11.26 |
申请号 |
UA20060009233 |
申请日期 |
2006.08.21 |
申请人 |
"INSTITUTE FOR MONOCRYSTALS", SCIENTIFIC AND TECHNOLOGICAL COMPLEX OF NATIONAL ACADEMY OF SCIENCES,STATE SCIENTIFIC INSTITUTION |
发明人 |
DESENKO SERHII MYKHAILOVYCH;AFANASIADI LUDMYLA MYKHAILIVNA |
分类号 |
C07D487/00;C07D487/04 |
主分类号 |
C07D487/00 |
代理机构 |
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主权项 |
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