Title: Bepotastine
CAS Registry Number: 190786-43-7
CAS Name: 4-[(S)-(4-Chlorophenyl)-2-pyridinylmethoxy]-1-piperidinebutanoic acid
Additional Names: betotastine
Molecular Formula: C21H25ClN2O3
Molecular Weight: 388.89
Percent Composition: C 64.86%, H 6.48%, Cl 9.12%, N 7.20%, O 12.34%
Literature References: Histamine H1-receptor antagonist. Prepn (stereochem. unspec.): A. Koda et al., EP 335586; eidem, US 4929618 (1989, 1990 both to Ube). Prepn of optically active salts: J. Kita et al., EP 949260 (1999 to Ube; Tanabe Seiyaku). Pharmacology: M. Kato et al., Arzneim.-Forsch. 47, 1116 (1997). Suppression of IL-5 production: O. Kaminuma et al., Biol. Pharm. Bull. 21, 411 (1998). Antiallergic activity in animal models: M. Ueno et al., Pharmacology 57, 206 (1998).
Derivative Type: Benzenesulfonate salt
CAS Registry Number: 190786-44-8
Additional Names: Bepotastine besilate
Manufacturers' Codes: TAU-284
Trademarks: Talion (Tanabe)
Molecular Formula: C21H25ClN2O3.C6H6O3S
Molecular Weight: 547.06
Percent Composition: C 59.28%, H 5.71%, Cl 6.48%, N 5.12%, O 17.55%, S 5.86%
Properties: Pale grey prisms from acetonitrile, mp 161-163°. [a]D20 +6.0° (c = 5 in methanol).
Melting point: mp 161-163°
Optical Rotation: [a]D20 +6.0° (c = 5 in methanol)
Therap-Cat: Antihistaminic.
Keywords: Antihistaminic. |