Title:  Levomepate 
CAS Registry Number:  428-07-9 
CAS Name:  [3(S)-endo]-a-(Hydroxymethyl)-a-methylbenzeneacetic acid 8-methyl-8-azabicyclo[3.2.1]oct-3-yl ester 
Additional Names:  1aH,5aH-tropan-3a-ol (-)-2-methyl-2-phenylhydracrylate (ester);  (-)-2-methyl-2-phenylhydracrylic acid 3a-tropanyl ester;  (-)-a-methylhyoscyamine;  3a-tropanyl (-)-2-methyl-2-phenylhydracrylate;  tropine (-)-a-methyltropate 
Molecular Formula:  C18H25NO3 
Molecular Weight:  303.40 
Percent Composition:  C 71.26%, H 8.31%, N 4.62%, O 15.82% 
Literature References:  Prepd from tropine and (-)-b-acetoxy-a-methyl-a-phenylpropionyl chloride:  Vecchi et al., GB 874015 (1959 to Lepetit); Melone et al., J. Org. Chem. 25, 859 (1960).  Pharmacology:  Bianchi et al., Toxicol. Appl. Pharmacol. 10, 424 (1967). 
  
Derivative Type:  Hydrochloride  
Molecular Formula:  C18H25NO3.HCl 
Molecular Weight:  339.86 
Percent Composition:  C 63.61%, H 7.71%, N 4.12%, O 14.12%, Cl 10.43% 
Properties:  Crystals from ethyl acetate, mp 210-212°.  [a]D20 -6.8°. 
Melting point:  mp 210-212° 
Optical Rotation:  [a]D20 -6.8° 
  
Therap-Cat:  Antispasmodic. 
  
  
Status:  This monograph has been retired and is no longer subject to revision or update.   |