Title:  Acrivastine 
CAS Registry Number:  87848-99-5 
CAS Name:  (2E)-3-[6-[(1E)-1-(4-Methylphenyl)-3-(1-pyrrolidinyl)-1-propenyl]-2-pyridinyl]-2-propenoic acid 
Additional Names:  (E)-6-[(E)-3-(1-pyrrolidinyl)-1-p-tolylpropenyl]-2-pyridineacrylic acid 
Manufacturers' Codes:  BW-270C;  BW-825C;  BW-A825C 
Trademarks:  Semprex (GSK) 
Molecular Formula:  C22H24N2O2 
Molecular Weight:  348.44 
Percent Composition:  C 75.83%, H 6.94%, N 8.04%, O 9.18% 
Literature References:  Nonsedating type histamine H1-receptor antagonist; analog of triprolidine, q.v.  Prepn:  G. G. Coker, J. W. A. Findlay, EP 85959 (1983 to Wellcome); J. W. A. Findlay, G. G. Coker, US 4501893 (1985).  Pharmacodynamics and pharmacokinetics in humans:  A. F. Cohen et al., Eur. J. Clin. Pharmacol. 28, 197 (1985).  Evaluation of CNS effects:  A. F. Cohen et al., Clin. Pharmacol. Ther. 38, 381 (1985).  Clinical trials in idiopathic urticaria:  J. G. Gibson et al., Dermatologica 169, 179 (1984); H. Neittaanmaki et al., ibid. 177, 98 (1988); in allergic rhinitis:  T. G. Gibbs et al., J. Int. Med. Res. 16, 413 (1988).  Review of pharmacology and therapeutic efficacy:  R. N. Brogden, D. McTavish, Drugs 41, 927-940 (1991). 
Properties:  Crystals from isopropanol, mp 222° (dec). 
Melting point:  mp 222° (dec) 
NOTE:  Combination with pseudoephedrine, Duact (Glaxo Wellcome) . 
Therap-Cat:  Antihistaminic. 
Keywords:  Antihistaminic; Alkylamine Derivatives.   |