Substrate specificity in the cyclodextrin-catalyzed cleavage of organic phosphates and monothiophosphates in alkaline solutions.

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概要

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• Cyclodextrin accelerates the phenol release from organic phosphates such as dialkyl 4-nitrophenyl phosphates, but it decelerates the reactions of the corresponding monothiophosphates in alkaline solutions. Each reaction proceeds <I>via</I> the prior formation of a cyclodextrin–substrate inclusion complex, followed by the nucleophilic attack of the cyclodextrin alkoxide ion or the hydroxide ion on the reaction site of the included substrate. The equilibrium and kinetic parameters involved in the reaction processes were determined and discussed in connection with the geometry of a cyclodextrin–substrate complex.

• 公益社団法人 日本化学会の論文

著者

• Ota Yoshio

  Department of Agricultural Chemistry, Shimane University

関連論文

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• Substrate specificity in the cyclodextrin-catalyzed cleavage of organic phosphates and monothiophosphates in alkaline solutions.

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