| Title:  Lamifiban CAS Registry Number:  144412-49-7 CAS Name:  (S)-[[1-[2-[[4-(Aminoiminomethyl)benzoyl]amino]-3-(4-hydroxyphenyl)-1-oxopropyl]-4-piperidinyl]oxy]acetic acid Additional Names:  [[1-[N-(p-amidinobenzoyl)-L-tyrosyl]-4-piperidinyl]oxy]acetic acid Manufacturers' Codes:  Ro-44-9883 Molecular Formula:  C24H28N4O6 Molecular Weight:  468.50 Percent Composition:  C 61.53%, H 6.02%, N 11.96%, O 20.49% Literature References:  Specific nonpeptide platelet fibrinogen receptor (GPIIb/IIIa) antagonist.  Prepn:  L. Alig et al., EP 505868; eidem, US 5378712 (1992, 1995 both to Hoffmann-La Roche); L. Alig et al., J. Med. Chem. 35, 4393 (1992).  Pharmacology:  J.-P. Carteaux et al., Thromb. Haemostasis 70, 817 (1993); Y. Takiguchi et al., ibid. 73, 683 (1995). Properties:  Crystals (zwitterionic form) from water, mp above 200° (dec).  [a]D20 +29.8° (c = 0.86 in 1N HCl). Melting point:  mp above 200° (dec) Optical Rotation:  [a]D20 +29.8° (c = 0.86 in 1N HCl)   Derivative Type:  Trifluoroacetate salt  CAS Registry Number:  144412-50-0 Molecular Formula:  C24H28N4O6.C2HF3O2 Molecular Weight:  582.53 Percent Composition:  C 53.61%, H 5.02%, N 9.62%, O 21.97%, F 9.78% Properties:  mp 125-130° (dec).  LD50 i.v. in mice:  250 mg/kg (Alig, 1995). Melting point:  mp 125-130° (dec) Toxicity data:  LD50 i.v. in mice:  250 mg/kg (Alig, 1995)   Therap-Cat:  Antithrombotic. Keywords:  Antithrombotic; Fibrinogen Receptor Antagonist.  |