Rate and Equilibrium Constants of Dimethylcarbamoyl Transfer between Pyridine N-Oxides |
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| Authors: | Schroeder G Rybachenko V I Chotii K Yu Kovalenko V V Grebenyuk L V Lenska B Eitner K |
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| Institution: | (1) Mickiewicz University, Poznan, Poland;(2) Litvinenko Institute of Physical Organic and Coal Chemistry, National Academy of Sciences of Ukraine, Donetsk, Ukraine |
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| Abstract: | Dimethylcarbamoyl transfer from N-acyloxypyridinium salts to pyridine N-oxides in acetonitrile occurs in one stage by the forced concerted SN2 mechanism. The rate and equilibrium of the reaction are fairly described by the Brönsted equation. The Marcus equation provides a much higher quality of reactivity predictions. |
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