Synthesis and some chemical transformations of 3-ferrocenyl-3-phenylcyclopropeneстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Crystalline 3-ferrocenyl-3-phenylcyclopropene was obtained by dehydrobromination of 2-bromo-1-ferrocenyl-1-phenylcyclopropane with potassium tert-butoxide in dimethyl sulfoxide. The compound synthesized undergoes catalytic hydrogenation to 1-ferrocenyl-1-phenylcyclopropane, reacts with 1,3-diphenylisobenzofuran to give the expected product of stereospecific [4+2]-cycloaddition and 3-ferrocenylindene, and also undegoes opening of the small ring on treatment with superacids to give 3-ferrocenylindene as the major product. The data of single crystal X-ray diffraction analysis of 1-ferrocenyl-1-phenyIcyclopropane and the diene adduct of 3-ferrocenyl-3-phenylcyclopropene with 1,3-diphenylisobenzofuran are given.