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Effect of substituents on distribution of π-electron density in α, ω-disubstituted polyenes

✍ Scribed by L. A. Yanovskaya; G. V. Kryshtal; V. F. Kucherov; B. Ya. Simkin; V. I. Minkin

Book ID
112423301
Publisher
Springer
Year
1973
Tongue
English
Weight
165 KB
Volume
22
Category
Article
ISSN
1573-9171

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2,3-and 2,5-Dicyanobenzobarrelenes 5 and 6 have been synthesized and subjected to triplet-sensitized photoisomerization. 2,3-Dicyanobenzobarrelene 5 gave two di-p-methane rearrangement products 7 and 8 and a [2p+2p]-cycloaddition product 9. However, 2,5-dicyanobenzobarrelene 6 formed a single di-p-m