CAS No 120138-50-3 , Virginiamycin S1,4-[4-(dimethylamino)-N-methyl-L-phenylalanine]-5-[(2S,5R)-5-[[[(3S)-1-azabicyclo[2.2.2]oct-3-yl]thio]methyl]-4-oxo-2-piperidinecarboxylicacid]-

Name: Virginiamycin S1,4-[4-(dimethylamino)-N-methyl-L-phenylalanine]-5-[(2S,5R)-5-[[[(3S)-1-azabicyclo[2.2.2]oct-3-yl]thio]methyl]-4-oxo-2-piperidinecarboxylicacid]-
Synonyms: 12H-Pyrido[2,1-f]pyrrolo[2,1-l][1,4,7,10,13,16]oxapentaazacyclononadecine,cyclic peptide deriv.;VirginiamycinS1,4-[4-(dimethylamino)-N-methyl-L-phenylalanine]-5-[cis-5-[(1-azabicyclo[2.2.2]oct-3-ylthio)methyl]-4-oxo-L-2-piperidinecarboxylicacid]-, (S)-; Quinupristin; RP 57669;Virginiamycin S1,4-[4-(dimethylamino)-N-methyl-L-phenylalanine]-5-[(2S,5R)-5-[[[(3S)-1-azabicyclo[2.2.2]oct-3-yl]thio]methyl]-4-oxo-2-piperidinecarboxylicacid]-; RP 68888; Antibiotic RP 57669;
CAS Registry Number:120138-50-3
Flash Point: °C
Boiling Point: °Cat760mmHg
Density: 1.38g/cm³
Refractive index: 1.662
Flash Point: °C
Molecular Weight: 0
InChI: InChI=1/C53H67N9O10S/c1-6-37-50(68)61-23-11-14-38(61)51(69)59(5)40(26-32-16-18-36(19-17-32)58(3)4)52(70)62-28-35(30-73-43-29-60-24-20-33(43)21-25-60)42(64)27-39(62)47(65)57-45(34-12-8-7-9-13-34)53(71)72-31(2)44(48(66)55-37)56-49(67)46-41(63)15-10-22-54-46/h7-10,12-13,15-19,22,31,33,35,37-40,43-45,63H,6,11,14,20-21,23-30H2,1-5H3,(H,55,66)(H,56,67)(H,57,65)/t31-,35+,37?,38+,39?,40+,43-,44+,45+/m1/s1
Molecular Formula: C53H67 N9 O10 S
Molecular Structure:

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References of Virginiamycin S1,4-[4-(dimethylamino)-N-methyl-L-phenylalanine]-5-[(2S,5R)-5-[[[(3S)-1-azabicyclo[2.2.2]oct-3-yl]thio]methyl]-4-oxo-2-piperidinecarboxylicacid]-

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
Synonyms: 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.