期刊
JOURNAL OF MOLECULAR STRUCTURE
卷 595, 期 1-3, 页码 201-208出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0022-2860(01)00547-6
关键词
crystal structure; N,N-bis(2,5-dioxopyrrolidin-1-ylmethyl)-gamma-amino-butyric acid; electrospray ionization mass spectrum; photochromism
The title compound N,N-bis(2,5-dioxopyrrolidin-1-ylmethyl)-gamma -amino-butyric acid (DOPMABA) was synthesized through the Mannich reaction of succinimide with gamma -amino-butyric acid in the formaldehyde solution. The structure and the fragments of DOPMABA were determined by single crystal X-ray diffraction and electrospray ionization mass spectrometry (ESIMS), respectively. The title compound has two kinds of configurations because of the long chain of gamma -amino-butyric acid. The ternary Eu3+ system with DOPMABA and 1,10-phenanthroline (phen) shows good photochromism in aqueous medium. Its decoloration process was investigated. Based on the decoloration curve, its E-diagram was obtained which displays that the decoloration. is an independent step. (C) 2001 Elsevier Science B.V. All rights reserved.
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