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PdCl 2 /NaI-Catalyzed Homodimeric Coupling-Cyclization Reaction of 2,3-Allenols: An Efficient Synthesis of 4-(1‘,3‘-Dien-2‘-yl)-2,5-dihydrofuran Derivatives

✍ Scribed by Deng, Youqian; Yu, Yihua; Ma, Shengming

Book ID: 120294989
Publisher: American Chemical Society
Year: 2008
Tongue: English
Weight: 110 KB
Volume: 73
Category: Article
ISSN: 0022-3263
DOI: 10.1021/jo702332m

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ChemInform Abstract: PdCl2/NaI-Catalyzed

ChemInform Abstract: PdCl2/NaI-Catalyzed Homodimeric Coupling-Cyclization Reaction of 2,3-Allenols: An Efficient Synthesis of 4-(1′,3′-Dien-2′-yl)-2,5-dihydrofuran Derivatives.

✍ Youqian Deng; Yihua Yu; Shengming Ma 📂 Article 📅 2008 🏛 John Wiley and Sons ⚖ 27 KB 👁 1 views

PdI2-Catalyzed Coupling–Cyclization Reac

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## 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

ChemInform Abstract: PdI2-Catalyzed Coup

ChemInform Abstract: 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 ⚖ 46 KB 👁 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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

Efficient synthesis of 4-(2′-alkenyl)-2,

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4-(2%-Alkenyl)-2,5-dihydrofurans can be efficiently synthesized via the PdCl 2 -catalyzed coupling-cyclization of allylic halides with 2,3-allenols in DMA at rt in moderate to good yields. The regioselectivity is different from that of the Pd(0)-catalyzed coupling-cyclization of organic halides with

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## Abstract For Abstract see ChemInform Abstract in Full Text.

PdCl 2 -Catalyzed Two-Component Cross-Co

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