Structural Formula Vector Image
Title: Quinupristin
CAS Registry Number: 120138-50-3
CAS Name: 4-[4-(Dimethylamino)-N-methyl-L-phenylalanine]-5-[(2S,5R)-5-[[[(3S)-1-azabicyclo[2.2.2]oct-3-yl]thio]methyl]-4-oxo-2-piperidinecarboxylic acid]virginiamycin S1
Additional Names: 5d-[(3S)-3-quinuclidinyl]thiomethylpristinamycin IA
Manufacturers' Codes: RP-57669
Molecular Formula: C53H67N9O10S
Molecular Weight: 1022.22
Percent Composition: C 62.27%, H 6.61%, N 12.33%, O 15.65%, S 3.14%
Literature References: Semisynthetic depsipeptide type I streptogramin, q.v. Marketed in combination with dalfopristin, q.v. Prepn: J.-C. Barriere et al., EP 248703, eidem, US 4798827 (1987, 1989 both to Rhone-Poulenc). In vitro activity: H. C. Neu et al., J. Antimicrob. Chemother. 30, Suppl. A, 83 (1992). HPLC determn in plasma: A. Le Liboux et al., J. Chromatogr. B 708, 161 (1998).
Properties: White crystals in combination with methanol, mp ~200°.
Melting point: mp ~200°
Therap-Cat: Antibacterial.
Keywords: Antibacterial (Antibiotics); Polypeptides.

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