Halogenation of cobalt dicarbollide

Details Halogenation of cobalt dicarbollide Halogenation of cobalt dicarbollide

1995-05-31

1997-05-20

Nazario-Gonzalez, Porfirio

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

556140, 568 4, C07F 502, C07F 1506

Patent

active

056313900

ABSTRACT:
A method for selectively adding chlorine, bromine, or iodine to cobalt dicarbollide anions by means of electrophilic substitution reactions. Halogens are added only to the B10 and B10' positions of the anion. The process involves use of hypohalous acid or N-halosuccinimide or gaseous chlorine in the presence of iron.

REFERENCES:
"New Weakly Coordinating Anions," Inorg. Chem. 1993, 32, 1982-1990.
"Dicarbollyl Derivatives of the Transition Metals. Metallocene Analogs," Journal of the American Chemical Society, 90:4, Feb. 14, 1968.
"B-Halogen Derivatives of the BIS(1,2-Dicarbollyl)Cobalt(III) Anion," Polyhedron, vol. I, No. 6, pp. 511-519, 1982.
LA-11695, "Cobalt(III) Dicarbollide: A Potential .sup.137 Cs and .sup.90 Sr Waste Extraction Agent," Los Alamos National Laboratory, Feb. 1990.
Selucky, P; Base, K.; Plesek, J.; Hermanek. S.;Rais, J.; Czechoslovakian Patent No. 215282, 1985, and attached copy of English language abstract.
"Effects of amine-borane structure on the stoichiometry, rate and mechanism of raction with hypochlorous acid: hydride oxidation versus B-chlorination," Inorganica Chimica Acta, 211, (1993), pp. 187-194.
"Fission Product Separation Using Ion Exchange, Solvent Extraction and Cobalt Dicarbollide," LAUR-94-3647, Los Alamos National Laboratory, Oct. 28, 1994.
"The Synthesis, Characterization and Structure of Chlorinated Derivatives of the Cobalt Dicarbollide Anion," Abstract, American Chemical Society 207th ACS National meeting, San Diego, CA, Mar. 13-17, 1994.
"The Preparation and Characterization of the (3)-1,2- and (3)-1,7- Dicarbadodecahydroundecaborate(-1) Ions", Journal of the American Chemical Society, 90:4, Feb. 14, 1968.
"The Reconstruction of the 1,2-Dicarbaclovododecaborane(12) Structure by Boron-Atom Insertion with (3)-1,2-Dicarbollide Ions," Journal of the American Chemical Society, 90:4, Feb. 14, 1968.
"The Polyhedral B.sub.9 C.sub.2 H.sub.11, B.sub.8 C.sub.2 H.sub.10, B.sub.7 C.sub.2 H.sub.9, and B.sub.6 C.sub.2 H.sub.9, and B.sub.6 C.sub.2 H.sub.8 Carboranes and the B.sub.7 C.sub.2 H.sub.13 System," Journal of the American Chemical Society, 90:4, Feb. 14, 1968.

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