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Efficient Synthesis of 4-(2′-Alkenyl)-2,5-dihydrofurans and 5,6-Dihydro-2H-pyrans via the Pd-Catalyzed Cyclizative Coupling Reaction of 2,3- or 3,4-Allenols with Allylic Halides.

✍ Scribed by Shengming Ma; Wenzhong Gao

Publisher
John Wiley and Sons
Year
2003
Weight
246 KB
Volume
34
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Efficient Synthesis
ChemInform Abstract: Efficient Synthesis of 4-(2′-Alkenyl)-2,5-dihydrofurans via PdCl2-Catalyzed Coupling—Cyclization Reaction of 2,3-Allenols with Allylic Halides.
✍ Shengming Ma; Wenzhong Gao 📂 Article 📅 2001 🏛 John Wiley and Sons ⚖ 31 KB

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

PdI2-Catalyzed Coupling–Cyclization Reac
PdI2-Catalyzed Coupling–Cyclization Reactions Involving Two Different 2,3-Allenols: An Efficient Synthesis of 4-(1′,3′-Dien-2′-yl)-2,5-dihydrofuran Derivatives
✍ Youqian Deng; Jing Li; Shengming Ma 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 219 KB 👁 1 views

## Abstract Transition‐metal‐catalyzed dimeric coupling–cyclization reactions of two different 2,3‐allenols afforded 4‐(1′,3′‐dien‐2′‐yl)‐2,5‐dihydrofuran derivatives **3**. 2‐Substituted 2,3‐allenols **1** cyclized to form the 2,5‐dihydrofuran ring, whereas the 2‐unsubstituted 2,3‐allenols **2** p