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Photochemical Cycloaddition of Benzene to Vinylene Carbonate

✍ Scribed by Dr. Hans-Georg Heine; Dr. Willy Hartmann

Publisher
John Wiley and Sons
Year
1975
Tongue
English
Weight
291 KB
Volume
14
Category
Article
ISSN
0044-8249

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Addition of photoexcited benzene to olefinsgiveseither L.2-, 1.3-, or 1.4-adducts, depending on the nature of the olefin. The 1.3-addition of benzene to alkenes may proceed from the S l1 -state of benzene through a prefulvene intermediate or by a concerted meta addition. In some cases an exciplex in