A New Binucleating Ligand Based on Anthracene and Its Cofacial Dirhodium(I) and Diiridium(I) Complexes

Inorganic Chemistry

Volumn 36, Issue 25, 1997, Pages 5826-5831

  Del Rosario Benites, María ^a   Fronczek, Frank R ^a   Hammer, Robert P ^a   Maverick, Andrew W ^a  

^a LOUISIANA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000398064     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic9706358     Document Type: Article

References (30)

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12. The Grignard reagent of 4-iodo-3,5-dimethylisoxazole (Kochetkov, N. K.; Sokolov, S. D.; Vagurtova, N. M. J. Gen. Chem. USSR (Engl. Transl.) 1961, 31, 2167) is obtained as a suspension when prepared in diethyl ether/THF (Kochetkov, N. K.; Sokolov, S. D. J. Gen. Chem. USSR (Engl. Transl.) 1963, 33, 1174) or pure THF or as a syrup in diethyl ether.
13. The Grignard reagent of 4-iodo-3,5-dimethylisoxazole (Kochetkov, N. K.; Sokolov, S. D.; Vagurtova, N. M. J. Gen. Chem. USSR (Engl. Transl.) 1961, 31, 2167) is obtained as a suspension when prepared in diethyl ether/THF (Kochetkov, N. K.; Sokolov, S. D. J. Gen. Chem. USSR (Engl. Transl.) 1963, 33, 1174) or pure THF or as a syrup in diethyl ether.
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18. This procedure has since been modified to give pure compound 7 in 39% overall yield (Holden, T. M.; Isovitsch, R. A.; Maverick, A. W. Unpublished work, 1995): the mixture of 7 and 1-bromo-8-chloroanthraquinone produced in the first KBr treatment was crystallized from hot nitrobenzene before the second treatment with KBr.
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20. 9 was obtained as a ca. 10:1 mixture of 1,8-dibromo- and 1-bromo-8-chloroanthracenes, by starting from the corresponding 10:1 anthraquinone mixture and following the procedure reported by: Haenel, M. W.; Jakubik, D.; Kruger, C.; Betz, P. Chem. Ber. 1991, 124, 333.
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27. Assignments were made by comparison to other dicarbonylrhodium complexes of Schiff base ligands reported in the literature: Bresler, L. S.; Buzina, N. A.; Varshavsky, Yu. S.; Kiseleva, N. V.; Cherkasova, T. G. J. Organomet. Chem. 1979, 171, 229.
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