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ChemInform Abstract: 1,3-Dipolar Cycloadditions of Photoinduced Carbonyl Ylides. Part 3. Photoreactions of α,β-Unsaturated γ,δ-Epoxy Dinitrile, α-Cyano Ester, and Diester with Various Dipolarophiles.

✍ Scribed by Masashi Kotera; Keitaro Ishii; Masaru Hiraga; Masanori Sakamoto

Publisher: John Wiley and Sons
Year: 2010
Weight: 31 KB
Volume: 30
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199952141

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✦ Synopsis

Part 3. Photoreactions of α,β-Unsaturated γ,δ-Epoxy Dinitrile, α-Cyano Ester, and Diester with Various Dipolarophiles. -Photolysis of the dinitrile (I) generates a carbonyl ylide which undergoes 1,3-dipolar cycloaddition with enol ethers [cf. (II)] to give cycloadducts (III) and (IV) in low yields. With other dipolarophiles such as (V) and (VII) only inferior yields are obtained. -

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