Preparation and 13C NMR Spectra of Some Azolones, Azolothiones and Their Methoxy and Methylmercapto Relatives
13C NMR chemical shifts are reported for the title compounds.The use of these data for investigating potential equilibria between azolones and azolothiones on the one hand and methoxy and methylmercaptoazoles on the other, is discussed.It is concluded that only qualitatively reliable estimates of the position of equilibrium are available.
Bojarska-Olejnik, Elzbieta,Stefaniak, Lech,Witanowski, Michal,Webb, Graham A.
p. 295 - 303
(2007/10/02)
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