Title:  Rimonabant 
CAS Registry Number:  168273-06-1 
CAS Name:  5-(4-Chlorophenyl)-1-(2,4-dichlorophenyl)-4-methyl-N-1-piperidinyl-1H-pyrazole-3-carboxamide 
Additional Names:  N-(piperidin-1-yl)-5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-methyl-1H-pyrazole-3-carboxamide 
Manufacturers' Codes:  SR-141716 
Trademarks:  Acomplia (Sanofi-Synthelabo) 
Molecular Formula:  C22H21Cl3N4O 
Molecular Weight:  463.79 
Percent Composition:  C 56.97%, H 4.56%, Cl 22.93%, N 12.08%, O 3.45% 
Literature References:  Brain cannabinoid receptor (CB1) antagonist.  Prepn:  F. Barth et al., EP 576357; eidem., US 5624941 (1993, 1997 both to Sanofi); H. H. Seltzman et al., J. Chem. Soc. Chem. Commun. 1995, 1549; and pharmacology:  A. K. Dutta et al., Med. Chem. Res. 5, 54 (1994).  Receptor antagonist activity:  M. Rinaldi-Carmona et al., FEBS Lett. 350, 240 (1994).  Clinical trial in blockade of effects of smoked marijuana:  M. A. Huestis et al., Arch. Gen. Psychiatry 58, 322 (2001).  Clinical trials in obesity:  L. F. Van Gaal et al., Lancet 365, 1389 (2005); J.-P. Després et al., N. Engl. J. Med. 353, 2121 (2005).  Review of therapeutic potential in obesity and drug addiction:  M. A. M. Carai et al., Life Sci. 77, 2339-2350 (2005). 
  
Derivative Type:  Hydrochloride  
CAS Registry Number:  158681-13-1 
Manufacturers' Codes:  SR-141716A 
Molecular Formula:  C22H21Cl3N4O.HCl 
Molecular Weight:  500.25 
Percent Composition:  C 52.82%, H 4.43%, Cl 28.35%, N 11.20%, O 3.20% 
Properties:  White crystals from ether + petr ether, mp 154-156° (Dutta); also reported as mp 157-159° (Seltzman). 
Melting point:  mp 154-156° (Dutta); mp 157-159° (Seltzman) 
  
Therap-Cat:  Antiobesity agent. 
Keywords:  Antiobesity Agent.   |