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ChemInform Abstract: AgBF4/[Bmim]BF4-Catalyzed [3 + 2] Cycloaddition of Cyclic Diazodicarbonyl Compounds: Efficient Synthesis of 2,3-Dihydrofurans and Conversion to 3-Acylfurans.

✍ Scribed by Likai Xia; Yong Rok Lee; Sung Hong Kim; Won Seok Lyoo

Publisher: John Wiley and Sons
Year: 2011
Weight: 37 KB
Volume: 42
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.201143097

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ChemInform Abstract: Rhodium(II)-Catalyzed Cycloaddition of Diazodicarbonyl Compounds with Vinyl Sulfides. Synthesis of 3-Acylfurans.

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Rhodium(II)-Catalyzed Cycloaddition of Diazodicarbonyl Compounds with Vinyl Sulfides. Synthesis of 3-Acylfurans. -The title reaction represents an efficient approach to fused furan derivatives, e.g. (IV) and (VIII). -(LEE,

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Efficient Synthesis of Five- and Seven-M

Efficient Synthesis of Five- and Seven-Membered-Ring Heterocycles by Rhodium(II)-Catalyzed [3+2] and [3+4] Cycloaddition of Diazodicarbonyl Compounds with Conjugated Dienes

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## Abstract Rhodium(II)‐catalyzed reactions of diazodicarbonyl compounds with a variety of conjugated dienes have been examined. These reactions provide a simple and rapid route to dihydrofurans and dihydrooxepines with a variety of substituents on the ring. The formation of these products is inter

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.

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ChemInform Abstract: Synthesis of Substituted Isoquinolines via Nickel-Catalyzed [2 + 2 + 2] Cycloaddition of Alkynes and 3,4-Pyridynes.

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## Abstract Butyndiol derivatives (II) and diynes (IV) are suitable substrates for the cycloaddition with pyridines (I) in the presence of a fluoride anion.