Brompheniramine
Title: Brompheniramine
CAS Registry Number: 86-22-6
CAS Name: g-(4-Bromophenyl)-N,N-dimethyl-2-pyridinepropanamine
Additional Names: 2-[p-bromo-a-(2-dimethylaminoethyl)benzyl]pyridine; 1-(p-bromophenyl)-1-(2-pyridyl)-3-dimethylaminopropane; 3-(p-bromophenyl)-3-(2-pyridyl)-N,N-dimethylpropylamine; parabromdylamine
Molecular Formula: C16H19BrN2
Molecular Weight: 319.24
Percent Composition: C 60.20%, H 6.00%, Br 25.03%, N 8.78%
Literature References: Prepn from a-(p-bromophenyl)-a-(b-dimethylaminoethyl)-2-pyridylacetonitrile: Sperber et al., US 2567245 (1951); US 2676964 (1954 to Schering). Prepn of d-form: L. A. Walter, US 3061517 (1962 to Schering).
Properties: Oily liquid. Slightly yellow color. Characteristic amine-like odor. bp0.5 147-152°. Soluble in dilute acids.
Boiling point: bp0.5 147-152°
 
Derivative Type: Maleate
CAS Registry Number: 980-71-2
Trademarks: Dimegan (Dexo); Dimetane (Robins); Dimotane (Robins); Ilvin (Merck KGaA); Nagemid (Dexo); Symptom 3 (Parke-Davis); Veltane (Lannett)
Molecular Formula: C16H19BrN2.C4H4O4
Molecular Weight: 435.31
Percent Composition: C 55.18%, H 5.33%, Br 18.36%, N 6.44%, O 14.70%
Properties: Crystals, mp 132-134°. Sol in water, somewhat less sol in alcohol. pH of a 2% aq soln about 5.
Melting point: mp 132-134°
 
Derivative Type: d-Form
CAS Registry Number: 132-21-8
Additional Names: Dexbrompheniramine; (+)-parabromdylamine
Properties: Oily liquid. [a]D25 +42.7° (c = 1 in DMF).
Optical Rotation: [a]D25 +42.7° (c = 1 in DMF)
 
Derivative Type: d-Form maleate
CAS Registry Number: 2391-03-9
Trademarks: Disomer (Schering); Ebalin (Allergopharma)
Molecular Formula: C16H19BrN2.C4H4O4
Molecular Weight: 435.31
Percent Composition: C 55.18%, H 5.33%, Br 18.36%, N 6.44%, O 14.70%
Properties: Crystals, mp 103-113°.
Melting point: mp 103-113°
 
Therap-Cat: Antihistaminic.
Keywords: Antihistaminic; Alkylamine Derivatives.

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