FRAGMENTATION REACTIONS OF 1,3,5-TRIFERROCENYL-4-(1-FERROCENYLVINYL)-4-(1-FERROCENYLVINYL)CYCLOHEXE NES, 1-ARYL-4-(1-ARYLVINYL)-3,5-DIFERROCENYL-4-(1-FERROCENYLVINYL)CYCLOHEXENE S, AND 3,5-DIARYL-1-FERROCENYL-4-(1-FERROCENYLVINYL)CYCLOHEXENESстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Monocyclic ferrocenylsubstituted terpenoids, produced upon proton-induced cyclodimerization of ferrocenyl-1,3-dienes, undergo fragmentation under the action of electrophilic agents (HBF4, [PhCHFc]BF4, or [MeOC6H4CHCHCHC6H4OMe]BF4) to give two molecules of methyl-, (2-ferrocenyl-2-phenylethyl)-, or 2,4-bis(p-methoxyphenyl)-3-butenyl-ferrocenylallylium tetrafluoroborates. Treatment of these salts with dimethylaniline yields, depending on their structure, the starting cyclodimers, seven-membered cyclic compounds, dimethylaniline alkylation products, or tricyclic compounds.