Ebastine
Title: Ebastine
CAS Registry Number: 90729-43-4
CAS Name: 1-[4-(1,1-Dimethylethyl)phenyl]-4-[4-(diphenylmethoxy)-1-piperidinyl]-1-butanone
Additional Names: 4¢-tert-butyl-4-[4-(diphenylmethoxy)piperidino]butyrophenone; 4-diphenylmethoxy-1-[3-(4-tert-butylbenzoyl)propyl]piperidine
Manufacturers' Codes: LAS-W-090
Trademarks: Ebastel (Almirall); Estivan (Almirall); Evastel (Almirall); Kestin (Almirall); Kestine (Almirall)
Molecular Formula: C32H39NO2
Molecular Weight: 469.66
Percent Composition: C 81.83%, H 8.37%, N 2.98%, O 6.81%
Literature References: Nonsedating type histamine H1-receptor antagonist. Prepn: J. M. P. Soto et al., EP 134124; eidem, US 4550116 (both 1985 to Fordonal). Metabolized in vivo to carebastine, its active carboxylic acid metabolite. Clinical pharmacology, pharmacokinetics: J. Vincent et al., Br. J. Clin. Pharmacol. 26, 497 (1988). Effect on psychomotor performance: J. Vincent et al., ibid. 503.
 
Derivative Type: Fumarate
Molecular Formula: C32H39NO2.C4H4O4
Molecular Weight: 585.73
Percent Composition: C 73.82%, H 7.40%, N 2.39%, O 16.39%
Properties: Crystals from ethanol, mp 197-198°.
Melting point: mp 197-198°
 
Therap-Cat: Antihistaminic.
Keywords: Antihistaminic.

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