Conclusions
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1.
The reaction of the dilithium derivatives of the bis-o- and bis-m-carboranyls and of bis-(o-carbo-ranyl)ethane with CO2 and formaldehyde gave the dicarboxylic acids and the dihydroxymethyl derivatives of the indicated biscarboranyls.
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2.
The corresponding heteroorganic derivatives of bis-m-carboranyl were synthesized by the reaction of dilithium bis-m-carboranyl with (CH3)3SiCl, (CH3)3SnCl, and CH3HgI.
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Literature cited
R. N. Grimes, Carboranes, Academic Press (1970).
L. I. Zakharkin and A. I. Kovredov, Izv. Akad. Nauk SSSR, Ser. Khim., 1428 (1973).
L. I. Zakharkin and A. I. Kovredov, Zh. Obshch. Khim.,44, 1840 (1974).
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1,1′-Bis-o- and 1,1′-bis-m-carboranyl are, respectively, the trivial names for 1-[1′,2′-dicarba-closo-dodecaboran(12)-1'-yl]-1,2-dicarba-eloso-dodecaborane(12) and 1-[1′,7′-dicarba-closo-dodecaboran(12)-1′-yl]-1,7-dicarba-closo-dodecaborane (12).
Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 1, pp. 169–171, January, 1977.
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Kovredov, A.I., Ol'shevskaya, V.A. & Zakharkin, L.I. Synthesis of some C derivatives of 1,1′-bis-o- and 1,1′-bis-m-carboranyls and 1,2-bis [o-carboranyl]ethane. Russ Chem Bull 26, 146–148 (1977). https://doi.org/10.1007/BF00921514
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DOI: https://doi.org/10.1007/BF00921514