Download e-book for kindle: A guide to chalogen-nitrogen chemistry by T Chivers

By T Chivers

ISBN-10: 9812560955

ISBN-13: 9789812560957

ISBN-10: 9812563113

ISBN-13: 9789812563118

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Chivers, X. Gao, N. Sandblom and G. Schatte, Recent Developments in Tellurium– Nitrogen Chemistry, Phosphorus, Sulfur and Silicon, 136-138, 11 (1998). I. D. Sadekov and V. I. Minkin, Tellurium–Nitrogen Containing Heterocycles, Adv. Heterocycl. , 79, 1 (2001). A. Haas, Acyclic and Heterocyclic Te–S–N Compounds: A Review of Recent Publications, J. Organomet. , 646, 80 (2002). Chapter 2 FORMATION OF CHALCOGEN– NITROGEN BONDS This chapter will provide an overview of the methods available for the formation of chalcogen–nitrogen bonds with an emphasis on the synthesis of the most important reagents.

Ed. Engl. 18, 91 (1979). R. Gleiter, Structure and Bonding in Cyclic Sulfur–Nitrogen Compounds: Molecular Orbital Considerations, Angew. Chem. Int. Ed. , 20, 444 (1981). H. W. Roesky, Results and Perspectives in Sulfur and Nitrogen Chemistry, Comments Inorg. , 1, 183 (1981). H. W. Roesky, The Sulfur–Nitrogen Bond, in A. , Vol 4, pp 15-45 (1982). A. J. Banister and N. R. M. Smith, Some Experiments in Sulfur–Nitrogen Chemistry, J. Chem. , 59, 1058 (1982). T. Chivers, Electron-Rich Sulfur–Nitrogen Heterocycles, Acc.

5 Electrochemical Studies The combination of electrochemical and EPR studies can provide valuable information about unstable S–N radical species. 42 3445 3455 3465 3475 3485 Gauss Fig. 43 The emphasis is on the information that electrochemical studies provide about the redox properties of potential neutral conductors. To be useful as a molecular conductor the +1, 0, and –1 redox states should be accessible and the neutral radical should lie close to the centre of the redox spectrum. 1). 1 Redox states for 1,2,3,5-dichalcogenadiazoles Paradoxically, although they are electron-rich, S–N compounds are good electron acceptors because the lowest unoccupied molecular orbitals (LUMOs) are low-lying relative to those in the analogous carbon systems.

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A guide to chalogen-nitrogen chemistry by T Chivers

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