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1995
DOI: 10.1002/anie.199504721
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Rapid Hydrolysis of RNA with a CuII Complex

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Cited by 101 publications
(52 citation statements)
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“…In general, there are three direct (inner sphere) modes of activation that a metal ion can cooperatively provide for accelerating the rate of phosphate ester hydrolysis [6]. The first is the Lewis acid activation that correlates with metal ionization potential, in which the pKa of a metal-bound water nucleophile is lowered and a phosphoryl oxygen atom coordinates to a metal, for example, the substitutionally inert binuclear Co III and Cu II complexes [24][25][26]. The second is the nucleophile activation in which a nucleophile such as hydroxide coordinates to the metals, for example, Cu II hydroxides and alkoxides.…”
Section: Introductionmentioning
confidence: 99%
“…In general, there are three direct (inner sphere) modes of activation that a metal ion can cooperatively provide for accelerating the rate of phosphate ester hydrolysis [6]. The first is the Lewis acid activation that correlates with metal ionization potential, in which the pKa of a metal-bound water nucleophile is lowered and a phosphoryl oxygen atom coordinates to a metal, for example, the substitutionally inert binuclear Co III and Cu II complexes [24][25][26]. The second is the nucleophile activation in which a nucleophile such as hydroxide coordinates to the metals, for example, Cu II hydroxides and alkoxides.…”
Section: Introductionmentioning
confidence: 99%
“…In this case, TCAA may enhance the hydrolytic activity by forming a Cu-TCAA complex. This mechanism may resemble the enhancement of RNA hydrolysis by several Cu(II) complexes Sigman, 1986;Stern et al, 1990;Modak et al, 1991;Burstyn and Deal, 1993;Linkletter and Chin, 1995).…”
Section: Effect Of Tcaa For the First Transition Metal Ion Catalystsmentioning
confidence: 94%
“…Acelerações grandes de velocidade foram obtidas, particularmente com íons Co 3+ coordenados [88][89][90] . Diversos exemplos recentes podem ainda ser encontrados na literatura para a hidrólise de fosfodiésteres mediada por íons metálicos [91][92][93][94][95][96][97][98] .…”
Section: Modelagem Enzimática Na Hidrólise E Síntese De Compostos Ricunclassified