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ChemInform Abstract: Base-Catalyzed Cascade 1,3-H Shift/Cyclization Reaction to Construct Polyaromatic Furans.

✍ Scribed by Ya-Hui Wang; Heng Liu; Li-Li Zhu; Xiao-Xiao Li; Zili Chen

Publisher
John Wiley and Sons
Year
2011
Weight
35 KB
Volume
42
Category
Article
ISSN
0931-7597

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✦ Synopsis

Abstract

The tandem process using base‐catalyzed 1,3‐H shift as the starting step is applicable to symmetrical aryl diynes (I) as well as unsymmetrical ones.

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ChemInform Abstract: Phase-Transfer-Cata
ChemInform Abstract: Phase-Transfer-Catalyzed Cyclization Reaction of Nucleophilic Addition to Electron-Deficient 1,3-Conjugated Enynes for the Synthesis of Functionalized 4H-Pyrans.
✍ Jie Hu; Lei Liu; Shangdong Yang; Yong-Min Liang 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 34 KB 👁 1 views

## Abstract Phase‐transfer‐catalyzed nucleophilic addition—cyclization of electron‐deficient 1,3‐conjugated enynes towards 1,3‐dicarbonyl compounds provides access to a wide range of 4H‐pyrans such as (III) and (V).