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American Chemical Society, Organometallics, 23(22), p. 4642-4646, 2003

DOI: 10.1021/om030412r

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Methylation and Demethylation in Cobaltabis(dicarbollide) Derivatives

Journal article published in 2003 by Isabel Rojo, Francesc Teixidor ORCID, Raikko Kivekäs, Reijo Sillanpää, Clara Viñas
This paper was not found in any repository; the policy of its publisher is unknown or unclear.
This paper was not found in any repository; the policy of its publisher is unknown or unclear.

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Abstract

B(8)-R and B(8')-R (R = alkyl) disubstituted derivatives of the cobaltabis(dicarbollide) anion [3,3'-Co(C2B9H11)(2)](-) are reported. The synthesis was achieved by application of a modified Kumada reaction to produce B-C bonds. Molecules containing B(8)-C and B-O bonds are also generated, and interestingly, a high-yield intramolecular oxodemethylation is observed for the first time in boron cluster chemistry. It is also shown that the B-11 NMR spectrum of Cs[3,3'-Co(C2B9H11)(2)] derivatives is the result of the addition of the individual halves.