Catalytic hydrolysis of a phosphate triester by tetracoordinated zinc complexes

SH Gellman, R Petter, R Breslow

Index: Gellman, Samuel H.; Petter, Russell; Breslow, Ronald Journal of the American Chemical Society, 1986 , vol. 108, # 9 p. 2388 - 2394

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Citation Number: 224

Abstract

Abstract: A zinc complex of a tetraaza macrocycle catalyzes the hydrolysis of diphenyl p- nitrophenyl phosphate in aqueous acetonitrile. The principal products derive from loss of p- nitrophenol, but some alternative hydrolysis with loss of phenol is also observed. Kinetic studies show that the catalytic zinc species is a zinc hydroxide complex with a pK, of 8.7 (or its kinetic equivalent). The greater kinetic effectiveness of this weak base than of free ...

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