Metallization of 1-substituted 1-benzyl-o-carboranes with n-butyllithium and some conversions of 1-R-2-benzyllithium-o-carboranes
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It was shown that 1-R-2-benzyl-o-carboranes (R=Me, i-Pr, Ph, PhCH2) and other derivatives of o-carborane containing an ArCH2 group in positions 1 and 2 are readily metallized by n-butyllithium, forming the corresponding benzyllithium derivatives, which react with electrophilic reagents like the usual organolithium compounds, permitting the synthesis of various C-substituted 1-o-carboranes.
Keywordsbenzyl-o-carboranes metallization n-butyllithium
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- 1.L. I. Kruglyak, É. S. Petrov, V. N. Kalinin, E. G. Rys, L. I. Zakharkin, and A. I. Shatenshtein, Zh. Obshch. Khim.,42, No. 12, 2670 (1972).Google Scholar