Detail of > 25021-08-3
- CAS Number:
- 25021-08-3
- Name:
1H-Pyrrole-1-aceticacid, 2,5-dihydro-2,5-dioxo-
- Formula:
- C6H5NO4
- Molecular Structure:
- Synonyms:
- 3-Pyrroline-1-aceticacid, 2,5-dioxo- (8CI);2,5-Dihydro-2,5-dioxo-1H-pyrrole-1-acetic acid;Aceticacid, maleimido-;Maleimidoacetic acid;N-(Carboxymethyl)maleimide;N-Maleimidoglycine;N-Maleoylglycine;NSC 266055;
- Molecular Weight:
- 155.1082
- Density:
- 1.578 g/cm3
- Boiling Point:
- 376.7 °C at 760 mmHg
- Flash Point:
- 181.6 °C
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Reference
- Reaction of amino acids with exo-3,6-epoxy-1,2,3,6-tetrahydrophthalic anhydride forms hemi-maleate salts, not maleimides
- Reaction of amino acids with exo-3,6-epoxy-1,2,3,6-tetrahydrophthalic anhydride forms hemi-maleate salts, not maleimides. Corrie, John E. T.; Munasinghe, V. Ranjit N. 56-40-6 and 25021-08-3 are cas registry numbers. These chemicals are also mentioned in this article. (National Institute for Medical Research, London NW7 1AA, UK). ARKIVOC (Gainesville, FL, United States), (1), 69-72 (English) 2003 Arkat USA Inc. URL: http://www.arkat-usa.org/ark/journal/2003/General/3-686E/3-686E.pdf. CODEN: AGFUAR. DOCUMENT TYPE: Journal; (online computer file) CA Section: 34 (Amino Acids, Peptides, and Proteins) A polemic. Contrary to a recent report [V. Ondrus et al. (2001)], maleimides are not formed by treating exo-3,6-epoxy-1,2,3,6-tetrahydrophthalic anhydride with amines in aq. soln. The true products are hemimaleate salts of the amines. .
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