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Novel Intramolecular Cyclopropanation Reaction of Unsaturated β-Keto Esters

✍ Scribed by Yang, Dan; Gao, Qiang; Lee, Chi-Sing; Cheung, Kung-Kai

Book ID
127098921
Publisher
American Chemical Society
Year
2002
Tongue
English
Weight
90 KB
Volume
4
Category
Article
ISSN
1523-7060

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Synthesis and cyclization reactions with
Synthesis and cyclization reactions with pyrazolopyrimidinyl keto esters part I. Reactivity of pyrazolopyrimidinylβ-keto ester and pyrazolopyrimidinylα,β-unsaturated ketones
✍ M. A. A. Awas 📂 Article 📅 2006 🏛 Versita 🌐 English ⚖ 271 KB

## Abstract 5-Acetyl-4,5-dihydro-1-phenylpyrazolo[3,4-d]pyrimidin-4-one was prepared and subjected to various chemical transformations to give novel 5-heterocyclic pyrazolopyrimidinone derivatives of expected important biological activity. Then, the latter compounds were used to obtain β-keto ester