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Photochemical reaction of duroquinone with allenes and ketenimines. Photoinduced cycloaddition and molecular rearrangement

โœ Scribed by Ogino, Kenji; Matsumoto, Takaharu; Kawai, Takeshi; Kozuka, Seizi


Book ID
127307825
Publisher
American Chemical Society
Year
1979
Tongue
English
Weight
664 KB
Volume
44
Category
Article
ISSN
0022-3263

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Thermal cycloaddition reaction of xanthe
โœ J. Kamphuis; H. J. T. Bos; A. H. Huizer ๐Ÿ“‚ Article ๐Ÿ“… 1986 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 820 KB

During the parallel (2 + 2)-and (4 + 2)-cycloaddition reactions of aromatic thiones such as xanthene-9-thione with substituted allenes XCH=C==CH, (X = OR, SR, NMe,, Ph), a strong ESR signal is observed. This signal is associated with the (4 + 2)-cycloaddition reaction, affording thiopyran derivative