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Conformational and dynamic features of cocaine in DMSO-d6 solution
G Valensin1, E Gaggelli, N Marchettini
1Department of Chemistry, University of Siena, Pian dei Mantellini 44 Italy.
Abstract:
13C spin-lattice relaxation rates, 13C {1H} NOESs, 1H spin-spin relaxation rates and 1H two-dimensional magnetization transfer spectroscopy were used for delineating conformational features of cocaine in DMSO-d6 solution. Two main conformations differing in the orientation of the plane made by the benzoxy substituent with respect to the piperidine ring principal axis were observed. Relatively slow interconversions of the piperidine ring were delineated together with the main motional features of the whole molecule.
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