(s)-2-benzothiazolyl (z)-2-(2-aminothiazole-4-yl)-2-methoxycarbonylmethoxyiminothioacetate

(S)-2-Benzothiazolyl (Z)-2-(2-aminothiazol-4-yl)-2-(methoxycarbonylmethoxyimino)thioacetate is a key intermediate employed to synthesize advanced cephalosporin antibiotics, such as cefepime, cefpirome, and other fourth-generation β-lactams.

API Name Cefixime
CAS No 246035-38-1
Molecular Formula C15H12N4O4S3
Molecular Weight 408.5 g/mol
Synonyms methyl 2-[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-(1,3-benzothiazol-2-ylsulfanyl)-2-oxoethylidene]amino]oxyacetate

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