Collect. Czech. Chem. Commun. 2002, 67, 831-835

Synthesis of Novel o-Carborane-Based Ketonitriles and Their Keto-Enol Tautomerism

Andrey A. Semioshkin*, Sviatoslav G. Inyushin, Pavel V. Petrovskii and Vladimir I. Bregadze

A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilova Str., 119991 Moscow, Russia


Novel o-carborane-based ketonitriles were obtained in enol form via acylation of malononitrile with 2-methylcarborane-1-carbonyl chloride as well as by acylation of o-carboranylacetonitrile with benzoyl chloride. These ketonitriles appear to exist in solution mostly in enol form.

Keywords: Boranes; Carboranes; o-Carborane; Acylation; Malononitrile; Enolization.

References: 8 live references.