Solid forms of ceftolozane
Provided are solid forms of ceftolozane sulfate. Ceftolozane is also known as ((6R,7R)-3-[(5-amino-4-{ [(2-aminoethyl)carbamoyl]amino} -1-methyl-1H-pyrazol-2-ium-2-yl)methyl]-7-({ (2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-[(1-carboxy-1-methylethoxy)imino]acetyl} amino)-8-oxo-5-thia-1-azabicyclo[4.2.0...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | Provided are solid forms of ceftolozane sulfate. Ceftolozane is also known as ((6R,7R)-3-[(5-amino-4-{ [(2-aminoethyl)carbamoyl]amino} -1-methyl-1H-pyrazol-2-ium-2-yl)methyl]-7-({ (2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-[(1-carboxy-1-methylethoxy)imino]acetyl} amino)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate). Form 1 has diffractions at angles (2 theta ±0.2) of 12.4, 16.4, 22.6, 25.1, and 28.0. Form 2 has diffractions at angles (2 theta ±0.2) of 4.4, 8.8, 11.0, 14.9, and 17.7. Additionally provided are pharmaceutical compositions comprising the solid forms, and prepared by lyophilising the solid forms. The pharmaceutical compositions can additionally contain tazobactam. Ceftolozane is an antibacterial agent. |
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