Title: Lexipafant
CAS Registry Number: 139133-26-9
CAS Name: N-Methyl-N-[[4-[(2-methyl-1H-imidazo[4,5-c]pyridin-1-yl)methyl]phenyl]sulfonyl]-L-leucine ethyl ester
Additional Names: N-methyl-N-[[a-(2-methyl-1H-imidazo[4,5-c]pyridin-1-yl)-p-tolyl]sulfonyl]-L-leucine ethyl ester
Manufacturers' Codes: BB-882
Trademarks: Zacutex (Brit. Biotech)
Molecular Formula: C23H30N4O4S
Molecular Weight: 458.57
Percent Composition: C 60.24%, H 6.59%, N 12.22%, O 13.96%, S 6.99%
Literature References: Platelet activating factor (PAF) antagonist. Prepn: M. Whittaker, A. Miller, WO 9203422; eidem, US 5200412 (1992, 1993 both to British Bio-Technology). Structure-activity report: M. Whittaker et al., J. Lipid Mediators Cell Signalling 10, 151 (1994). Pharmacology: F. M. Abu-Zidan et al., Pharmacol. Toxicol. 78, 23 (1996). Clinical evaluation in acute pancreatitis: A. N. Kingsnorth et al., Br. J. Surg. 82, 1414 (1995).
Properties: White crystalline solid from ethyl acetate, mp 105°. [a]D20 -6.7° (c = 2.0 in CDCl3).
Melting point: mp 105°
Optical Rotation: [a]D20 -6.7° (c = 2.0 in CDCl3)
Therap-Cat: Anti-inflammatory.
Keywords: Anti-inflammatory (Nonsteroidal); Platelet Activating Factor Antagonist.

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