Author:
Cao Lianjun,Ouyang Yifan,Huan Feng,Chen Yan,Wang Jiwei,Reheman Aikebaier
Abstract
In this paper, we have synthesized a new metal chelating agent HPM and characterized it by NMR, IR and LC-MS/MS measurements. The HPM obtained three pKa values: pKa1=3.1988, pKa2=4.4157 and pKa3=9.0091. The pKa1 is due to the carboxyl group on the C11 position, the pKa2 is due to the hydroxyl group on the C6 position and the pKa3 is due to the NH2+ on the N8 position.
Publisher
Darcy & Roy Press Co. Ltd.
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