Title: Methoxamine
CAS Registry Number: 390-28-3
CAS Name: a-(1-Aminoethyl)-2,5-dimethoxybenzenemethanol
Additional Names: a-(1-aminoethyl)-2,5-dimethoxybenzyl alcohol; 2-amino-1-(2,5-dimethoxyphenyl)-1-propanol; b-hydroxy-b-(2,5-dimethoxyphenyl)isopropylamine; b-(2,5-dimethoxyphenyl)-b-hydroxyisopropylamine; 2,5-dimethoxynorephedrine
Molecular Formula: C11H17NO3
Molecular Weight: 211.26
Percent Composition: C 62.54%, H 8.11%, N 6.63%, O 22.72%
Literature References: a1-Adrenergic agonist. Prepn: Baltzly et al., US 2359707 (1944 to Burroughs Wellcome). Metabolism: A. Klutch, M. Bordun, J. Med. Chem. 10, 860 (1967). Clinical pharmacology: N. T. Smith, C. Whitcher, Anesthesiology 28, 735 (1967); P. D. Snashall et al., Clin. Sci. Mol. Med. 54, 283 (1978). HPLC determn in plasma: I. A. Al-Meshal et al., J. Liq. Chromatogr. 12, 1589 (1989). Therapeutic use: P. M. C. Wright et al., Anesth. Analg. 75, 56 (1992); L. Cabanes et al., N. Engl. J. Med. 326, 1661 (1992). Comprehensive description: A. M. Al-Obaid, M. M. El-Domiaty, Anal. Profiles Drug Subs. 20, 399-431 (1991).
Derivative Type: Hydrochloride
CAS Registry Number: 61-16-5
Trademarks: Vasoxine (Burroughs Wellcome); Vasoxyl (Burroughs Wellcome); Vasylox (Burroughs Wellcome)
Molecular Formula: C11H17NO3.HCl
Molecular Weight: 247.72
Percent Composition: C 53.33%, H 7.32%, N 5.65%, O 19.38%, Cl 14.31%
Properties: Crystals, mp 212-216°. pKa (25°C) 9.2. Very sol in water: One gram dissolves in 2.5 ml water, in 12 ml ethanol. Practically insol in ether, benzene, chloroform. pH of a 2% aq soln between 4.5 and 5.5.
Melting point: mp 212-216°
pKa: pKa (25°C) 9.2
Therap-Cat: Antihypotensive.
Keywords: a-Adrenergic Agonist; Antihypotensive. |