Solvent Effects On Alkaline Hydrolysis Of N-Benzylphthalimide In Mixed Water-Acetonitrile And Mixed Water-N,N-Dimethylformamide

Ariffin, Azhar and Khan, M.N. and Ye, C.M. (2005) Solvent Effects On Alkaline Hydrolysis Of N-Benzylphthalimide In Mixed Water-Acetonitrile And Mixed Water-N,N-Dimethylformamide. Indian Journal of Chemistry Section a-Inorganic Bio-Inorganic Physical Theoretical & Analytical Chemistry, 44 (10). pp. 2055-2059. ISSN 0376-4710

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Abstract

The nucleophilic second-order rate constant (kappa(OH)) for the reaction of OH- with N-benzylphthalimide appears to follow a reaction mechanism similar to that for reactions of OH with phthalimide and its N-alkylphthalimides. The rate of hydrolysis reveals an insignificant contribution of water-catalysed cleavage of NBPT compared with its hydroxide ion catalysed reaction. The observed pseudo first-order rate constant, kappa(obs), for alkaline hydrolysis of NBPT decreases with increase in the content of organic cosolvents (up to 70%, nu/nu) in mixed water-CH3CN and water-DMF solvents.

Item Type: Article
Additional Information: Department of Chemistry, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords: substituted phthalimides, catalysis, acetate, ion, derivatives, aminolysis, mechanism, kinetics
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Science > Dept of Chemistry
Depositing User: Miss Malisa Diana
Date Deposited: 03 Jul 2013 09:00
Last Modified: 27 Aug 2019 06:05
URI: http://eprints.um.edu.my/id/eprint/8046

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