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Indium-Catalyzed Synthesis of Furans and Pyrroles via Cyclization of α-Propargyl-β-keto Esters

✍ Scribed by Tsuji, Hayato; Yamagata, Ken-ichi; Ueda, Yasuyuki; Nakamura, Eiichi


Book ID
121674376
Publisher
Thieme Medical Publishers
Year
2011
Tongue
English
Weight
82 KB
Volume
2011
Category
Article
ISSN
0936-5214

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✍ 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