Authors: Ohkubo K
, Urata Y
, Hirota S
, Funakoshi Y
, Sagawa T
, Usui S
, Yoshinaga K
Catalytic activities of novel L-histidyl group-introduced polymers imprinted by a transition-state analog in the hydrolysis of amino-acid esters.
Publication date: 1995
Journal: Journal of Molecular Catalysis A: Chemical
Abstract: The catalytic activities of L-histidyl group-introduced, cross-linked polymers imprinted by a transition-state analogue (phenyl 1- benzyloxycarbonylamino-3-methylpentylphosphonate) or a ground-state one (N-(N-benzyloxycarbonyl-L-leucinoyl)anthranilic acid) for the esterolysis of a marked substrate of p-nitrophenyl N- benzyloxycarbonyl-L-leucinate were examined in the hydrolysis of amino acid esters; a transition-state analogue recorded polymer possessing a low cross-linker content (8.7%) exhibited the highest catalytic activity for the marked substrate hydrolysis with the positively largest activation entropy and the smallest activation free energy
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