17057-04-4, Name is 4-(2,5-Dioxo-2,5-dihydro-pyrrol-1-yl)-benzoicacid, belongs to pyrrolines compound, is a common compound. Formula: C11H7NO4In an article, once mentioned the new application about 17057-04-4.
Synthesis of N-Maleoyl-aminoacids and -peptides
N-Maleoyl-aminoacid-N’-hydroxysuccinimidesters 3 or N-maleoyl-aminobenzoic acids 5 are synthsized from N-maleyl-aminoacids 1 on different ways.N-maleoyl-aminobenzoic-4-nirophenyl-, -2-nitro-phenyl- or 2,4-dinitro-phenylesters 6, 7 and 8 will be obtained from 1 or 5. o-Mercaptoaniline, thiourea or cysteine react with 5 to benzothiazines 9, thiazolidines 10 and 1,4-thiazines 11.From 5 the peptides 12 are yielded.The pentapeptide 13 are formed from 12 by addition of glutathione.
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Reference£º
Pyrroline – Wikipedia,
1-Pyrroline | C4H7N – PubChem