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http://dx.doi.org/10.5012/jkcs.2002.46.1.052

Synthesis of Unsymmetrical Trisannelated Benzenes  

Mahmoodi, Nosrat O. (Department of Chemistry, Faculty of Science, Guilan University)
Fatemeh, Mostaghni (Department of Chemistry, Faculty of Science, Guilan University)
Publication Information
Journal of the Korean Chemical Society / v.46, no.1, 2002 , pp. 52-56 More about this Journal
Abstract
Synthesis of unsymmetrical trisannelated benzenes such as 2,3,4,5,6,7,8,9,10,11-decahydro-1H-cyclopenta[l]phenanthrene (1c) and 1,2,3,4,5,6,7,8,9,10-decahydrobenz[e]-as-indacene (1d) is described. The synthetic approach involves efficient condensation of pre-formed enones such as bicyclohexyliden-2-one (3), bicyclohexyl-1-en-2-one (4) and bicyclopentyliden-2-one (5) in the presence of cyclopentanone and cyclohexanone using anhydrous $CuCl_2$ as a catalyst.
Keywords
unsymmetrical trisannelated benzene; anhydrous $CuCl_2$;
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