Kinetics and mechanism of TI(III) oxidation of cellobiose in acidic medium |
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Authors: | S N Shukla and R N Keserwani |
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Institution: | (1) Chemistry Department, Lucknow University, Lucknow-7, India |
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Abstract: | TI(III) oxidation of cellobiose in the presence of H2SO4 in aqueous acetic acid is first order in each reactant and is acid catalyzed. TI(OAc)
2
+
is the active species. Products identified are gluconic acid and glucose. A mechanism consistent with the temperature, solvent, acidity and salt effects is been proposed.
![Ocy](/content/jv751t182k040362/xxlarge1054.gif) ![kcy](/content/jv751t182k040362/xxlarge1082.gif) ![icy](/content/jv751t182k040362/xxlarge1080.gif) ![scy](/content/jv751t182k040362/xxlarge1089.gif) ![lcy](/content/jv751t182k040362/xxlarge1083.gif) ![iecy](/content/jv751t182k040362/xxlarge1077.gif) ![ncy](/content/jv751t182k040362/xxlarge1085.gif) ![icy](/content/jv751t182k040362/xxlarge1080.gif) ![tscy](/content/jv751t182k040362/xxlarge1094.gif) ![iecy](/content/jv751t182k040362/xxlarge1077.gif) ![lcy](/content/jv751t182k040362/xxlarge1083.gif) ![lcy](/content/jv751t182k040362/xxlarge1083.gif) ![ocy](/content/jv751t182k040362/xxlarge1086.gif) ![bcy](/content/jv751t182k040362/xxlarge1073.gif) ![icy](/content/jv751t182k040362/xxlarge1080.gif) ![ocy](/content/jv751t182k040362/xxlarge1086.gif) ![zcy](/content/jv751t182k040362/xxlarge1079.gif) TI(III) ![pcy](/content/jv751t182k040362/xxlarge1087.gif) ![rcy](/content/jv751t182k040362/xxlarge1088.gif) ![icy](/content/jv751t182k040362/xxlarge1080.gif) ![scy](/content/jv751t182k040362/xxlarge1089.gif) ![ucy](/content/jv751t182k040362/xxlarge1091.gif) ![tcy](/content/jv751t182k040362/xxlarge1090.gif) ![scy](/content/jv751t182k040362/xxlarge1089.gif) ![tcy](/content/jv751t182k040362/xxlarge1090.gif) ![vcy](/content/jv751t182k040362/xxlarge1074.gif) ![icy](/content/jv751t182k040362/xxlarge1080.gif) H2SO4 ![vcy](/content/jv751t182k040362/xxlarge1074.gif) ![ocy](/content/jv751t182k040362/xxlarge1086.gif) ![dcy](/content/jv751t182k040362/xxlarge1076.gif) ![ncy](/content/jv751t182k040362/xxlarge1085.gif) ![ocy](/content/jv751t182k040362/xxlarge1086.gif) ![ucy](/content/jv751t182k040362/xxlarge1091.gif) ![kcy](/content/jv751t182k040362/xxlarge1082.gif) ![scy](/content/jv751t182k040362/xxlarge1089.gif) ![ucy](/content/jv751t182k040362/xxlarge1091.gif) ![scy](/content/jv751t182k040362/xxlarge1089.gif) ![ncy](/content/jv751t182k040362/xxlarge1085.gif) 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![ncy](/content/jv751t182k040362/xxlarge1085.gif) ![ycy](/content/jv751t182k040362/xxlarge1099.gif) ![mcy](/content/jv751t182k040362/xxlarge1084.gif) ![chcy](/content/jv751t182k040362/xxlarge1095.gif) ![acy](/content/jv751t182k040362/xxlarge1072.gif) ![scy](/content/jv751t182k040362/xxlarge1089.gif) ![tcy](/content/jv751t182k040362/xxlarge1090.gif) ![icy](/content/jv751t182k040362/xxlarge1080.gif) ![tscy](/content/jv751t182k040362/xxlarge1094.gif) ![acy](/content/jv751t182k040362/xxlarge1072.gif) ![mcy](/content/jv751t182k040362/xxlarge1084.gif) ![yacy](/content/jv751t182k040362/xxlarge1103.gif) ![vcy](/content/jv751t182k040362/xxlarge1074.gif) ![lcy](/content/jv751t182k040362/xxlarge1083.gif) ![yacy](/content/jv751t182k040362/xxlarge1103.gif) ![yucy](/content/jv751t182k040362/xxlarge1102.gif) ![tcy](/content/jv751t182k040362/xxlarge1090.gif) ![scy](/content/jv751t182k040362/xxlarge1089.gif) TI(OAc)
2
+
. ![Gcy](/content/jv751t182k040362/xxlarge1043.gif) ![lcy](/content/jv751t182k040362/xxlarge1083.gif) ![yucy](/content/jv751t182k040362/xxlarge1102.gif) ![kcy](/content/jv751t182k040362/xxlarge1082.gif) ![ocy](/content/jv751t182k040362/xxlarge1086.gif) ![ncy](/content/jv751t182k040362/xxlarge1085.gif) ![ocy](/content/jv751t182k040362/xxlarge1086.gif) ![vcy](/content/jv751t182k040362/xxlarge1074.gif) ![acy](/content/jv751t182k040362/xxlarge1072.gif) ![kcy](/content/jv751t182k040362/xxlarge1082.gif) ![icy](/content/jv751t182k040362/xxlarge1080.gif) ![scy](/content/jv751t182k040362/xxlarge1089.gif) ![lcy](/content/jv751t182k040362/xxlarge1083.gif) ![ocy](/content/jv751t182k040362/xxlarge1086.gif) ![tcy](/content/jv751t182k040362/xxlarge1090.gif) ![gcy](/content/jv751t182k040362/xxlarge1075.gif) ![lcy](/content/jv751t182k040362/xxlarge1083.gif) ![yucy](/content/jv751t182k040362/xxlarge1102.gif) ![kcy](/content/jv751t182k040362/xxlarge1082.gif) 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