Tetrahedron letters

Equilibria in solutions of methanol or ethanol, sulfuric acid, and alkyl sulfates

N Almstead, W Christ, G Miller, S Reilly-Packard…

Index: Almstead, N.; Christ, W.; Miller, G.; Reilly-Packard, S.; Vargas, K.; Zuman, P. Tetrahedron Letters, 1987 , vol. 28, # 15 p. 1627 - 1628

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Citation Number: 9

Abstract

Abstract Equilibria in reactions of methanol and ethanol with sulfuric acid or in hydrolyses of alkyl sulfates were followed using 13 C NMR, anion-exchange HPLC, and titrations. Variations of equilibrium constant K=[ester][H 2 O]/[ROH][HSO 4-] with acidity indicate participation of reactions ROH 2++ HSO 4-⇌ ROH+ SO 3-+ H 2 O, accompanied by acid base equilibria involving the alcohol and the ester. For mixtures containing initially 20%(w/ ...

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