(6R,7R)-7-Amino-3-((6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-1-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

It appears as a white to off-white crystalline powder, soluble in water, and serves as a key intermediate in the synthesis of advanced cephalosporin antibiotics. (6R,7R)-7-Amino-3-((6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-1-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate is a cephalosporin core derivative featuring a quaternary ammonium side chain.

API Name Cefpiramide
CAS No 87314-56-5
Molecular Formula C16H17N3O3S
Molecular Weight 331.4 g/mol
Synonyms (6R,7R)-7-amino-3-(6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-1-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

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