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ChemInform Abstract: Synthesis of Novel Ring Systems: Synthesis of Imidazo(1,2-c)-1,2,4- triazolo(4,3-a)pyrimido(5′,4′:4,5)thieno(2,3-e)pyrimidine Derivatives.

✍ Scribed by A. A. GEIES

Publisher
John Wiley and Sons
Year
2010
Weight
31 KB
Volume
28
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Synthesis of New 2-
ChemInform Abstract: Synthesis of New 2-Substituted-pyrazolo[4′,3′:5,6]pyrano[3,2-e][1,2,4]triazolo [1,5-c]pyrimidine Derivatives.
✍ S. M. HASSAN; M. M. KHAFAGY; H. A. EMAN; A. A. EL-MAGHRABY 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 32 KB

Synthesis of New 2-Substituted-pyrazolo[4',3':5,6]pyrano[3,2e][1,2,4]triazolo [1,5-c]pyrimidine Derivatives. -Starting from pyrazole (III) the pyrimidine (V) is prepared which is further treated with different carboxylic acid derivatives to form novel pyrimidines of type (VI) and (VIII). Preparatio