Dynamic NMR and Theoretical Study of Hindered Internal Rotation about the C-N Bond in 4-(Phenyl) Acetyl Morpholine☆-Science-Chemical Encyclopedia-lookchem

Dynamic NMR and Theoretical Study of Hindered Internal Rotation about the C-N Bond in 4-(Phenyl) Acetyl Morpholine☆
Add time:08/16/2019 Source:sciencedirect.com

Variable-temperature 13C NMR spectroscopy is used to investigate barrier of C-N internal rotation in compound 4- (Phenyl) acetyl morpholine, and then with simulation of band shape broadening pattern at coalescence region, rate constants of exchange were obtained for all temperatures. For simulation of line-shape broadening Spin works software (version 3.1) was used, that with two interfaces made possible simulation with two band shape simulator programs, Dynamic Nuclear Magnetic Resonance (DNMR) and MEXICO. For obtaining the thermodynamic activation parameters

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