Synephrine
Title: Synephrine
CAS Registry Number: 94-07-5
CAS Name: 4-Hydroxy-a-[(methylamino)methyl]benzenemethanol
Additional Names: p-hydroxy-a-[(methylamino)methyl]benzyl alcohol; 1-(4-hydroxyphenyl)-2-methylaminoethanol; p-methylaminoethanolphenol; b-methylamino-a-(4-hydroxyphenyl)ethyl alcohol; methylaminomethyl 4-hydroxyphenyl carbinol
Trademarks: Analeptin; Ethaphene; Oxedrine; Parasympatol; Simpalon; Synephrin (Neukonigsforder); Synthenate
Molecular Formula: C9H13NO2
Molecular Weight: 167.21
Percent Composition: C 64.65%, H 7.84%, N 8.38%, O 19.14%
Literature References: Prepd by hydrogenating w-methylamino-4-hydroxyacetophenone in water in the presence of Pt or Pd: DE 566578 (1931 to Boehringer, Ing.), Frdl. 18, 3025.
Properties: Crystals, mp 184-185°. Stable to air and light.
Melting point: mp 184-185°
 
Derivative Type: Hydrochloride
CAS Registry Number: 5985-28-4
Molecular Formula: C9H13NO2.HCl
Molecular Weight: 203.67
Percent Composition: C 53.07%, H 6.93%, N 6.88%, O 15.71%, Cl 17.41%
Properties: Crystals, mp 151-152°. Freely sol in water.
Melting point: mp 151-152°
 
Derivative Type: Tartrate
CAS Registry Number: 16589-24-5
Trademarks: Corvasymton; Simpadren; Sympathol
Molecular Formula: 2C9H13NO2.C4H6O6
Molecular Weight: 484.50
Percent Composition: C 54.54%, H 6.66%, N 5.78%, O 33.02%
Properties: Crystals, mp 188-190° (some dec). Freely sol in water; sol in alcohol.
Melting point: mp 188-190° (some dec)
 
Derivative Type: Tartaric acid monoester
CAS Registry Number: 6414-49-9
Additional Names: p-Methylaminoethanolphenol tartrate
Trademarks: Neupentedrin; Pentedrin
Molecular Formula: C13H17NO7
Molecular Weight: 299.28
Percent Composition: C 52.17%, H 5.73%, N 4.68%, O 37.42%
 
Therap-Cat: Adrenergic; vasopressor.
Keywords: a-Adrenergic Agonist; Antihypotensive.

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