Lewis Acid-Catalyzed Reactions of Donor-Acceptor Cyclopropanes with Anthracenesстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The reactions of 2-aryl-1,1-cyclopropane diesters with anthracene derivatives were studied for the first time. Three kinds of reaction products are formed depending on the nature
of the aryl group and the substituents in the anthracene. The first one is the product of [4+3] cycloaddition of cyclopropane to a diene moiety of anthracene. The second one also
has a seven-membered ring and is formed by the Lewis acid catalyzed electrophilic attack of cyclopropane onto the C9 atom of anthracene followed by intramolecular attack of the
formed arenonium ion on aryl group of the starting cyclopropane. Lastly, the common Friedel–Crafts products are formed.