Valence tautomerism in a o-benzoquinone adduct of a tetraazamacrocycle complex of manganese

Angewandte Chemie - International Edition

Volumn 37, Issue 21, 1998, Pages 3005-3007

  Caneschi, Andrea ^a   Dei, Andrea ^a  

^a UNIVERSITY OF FLORENCE   (Italy)

Author keywords

Magnetic properties; Manganese; O ligands; Tautomerism

Indexed keywords

BENZOQUINONE DERIVATIVE; MACROCYCLIC COMPOUND; MANGANESE;

ARTICLE; COMPLEX FORMATION; ENTROPY; SPECTROSCOPY;

EID: 0032538788     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1521-3773(19981116)37:21<3005::AID-ANIE3005>3.0.CO;2-2     Document Type: Article

References (17)

1. C. G. Pierpont, C. W. Lange, Progr. Coord. Chem. 1993, 41, 381.
2. P. Gütlich, A. Dei, Angew. Chem. 1997, 109, 2852;
3. Angew. Chem. Int. Ed. Engl. 1997, 56, 2734.
4. D. M. Adams, A. Dei, A. L. Rheingold, D. N. Hendrickson, J. Am. Chem. Soc. 1993, 115, 8221.
5. P. Gütlich, A. Hauser, H. Spiering, Angew. Chem. 1994, 106, 2109;
6. Angew. Chem. Int. Ed. Eng. 1994, 33, 2024.
7. O. Kahn, C. Jay-Martinez, Science 1998, 279, 44.
8. eq(C). An absorption correction based on a ψ scan was performed, and no decay was observed. Crystallographic data (excluding structure factors) for the structure reported in this paper have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication no. CCDC-100691. Copies of the data can be obtained free of charge on application to CCDC, 12 Union Road, Cambridge CB21EZ, UK (fax: (+44)1223-336-033; e-mail: deposit@ccdc.cam.ac.uk).
9. A. S. Attia, C. G. Pierpont, Inorg. Chem. 1995, 34, 1172.
10. A. S. Attia, C. G. Pierpont, Inorg. Chem. 1997, 36, 6184.
11. C. Benelli, A. Dei, D. Gatteschi, L. Pardi, Inorg. Chim. Acta 1989, 163, 99.
12. C. Benelli, A. Dei, D. Gatteschi, L. Pardi, Inorg. Chem. 1989, 25, 1476.
13. A. B. P. Lever, Inorganic Electronic Spectroscopy, Elsevier, Amsterdam, 1984.
14. C. Benelli, A. Dei, D. Gatteschi, H. Gudel, L. Pardi, Inorg. Chem. 1989, 25, 3089.
15. A. Dei, Inorg. Chem. 1993, 32, 5730.
16. 1/2 = 30 min in acetonitrile). The reaction products are oxo dimers of the manganese tetraazamacrocycle complex and dtb-quinone (60%) as well as the extradiolic cleavage oxidation products 3,5-bis(1,2-dimethylethyl)-2H-pyranone (36%) and its isomer 4,6-bis(1,1 dimethylethyl)-2H-pyranone (4%).
17. A. Dei, D. Gatteschi, Inorg. Chim. Acta 1992, 198-200, 813.