Title:  Viquidil 
CAS Registry Number:  84-55-9 
CAS Name:  (3R-cis)-3-(3-Ethenyl-4-piperidinyl)-1-(6-methoxy-4-quinolinyl)-1-propanone 
Additional Names:  quinicine;  1-(6-methoxy-4-quinolyl)-3-(3-vinyl-4-piperidyl)-1-propanone;  chinicine;  mequiverine;  quinotoxine;  quinotoxol 
Manufacturers' Codes:  LM-192 
Molecular Formula:  C20H24N2O2 
Molecular Weight:  324.42 
Percent Composition:  C 74.04%, H 7.46%, N 8.63%, O 9.86% 
Literature References:  An isomer of quinine; occurs naturally as the d-form.  Present in small quantities in cinchona barks; formed by heating quinine with glycerol at 180°:  Howard, J. Chem. Soc. 24, 61 (1871); 25, 101 (1872); Miller, Rohde, Ber. 33, 3214 (1900); Howard, Chick, Pharm. J. 99, 143 (1917).  Conversion to quinine:  Rabe, Kindler, Ber. 51, 466 (1918).  Partial synthesis:  Prostenik, Prelog, Helv. Chim. Acta 26, 1965 (1943).  Total synthesis:  Woodward, Doering, J. Am. Chem. Soc. 66, 849 (1944); 67, 860 (1945); US 2500444 (1950 to Polaroid); Grethe et al., Helv. Chim. Acta 56, 1485 (1973).  Review of synthesis, chemistry and pharmacology:  Quevauviller et al., Ann. Pharm. Fr. 24, 39 (1966).  Series of articles on pharmacology and metabolism:  Arzneim.-Forsch. 22, 1334-1346 (1972). 
Properties:  Yellow viscous oil, [a]D +43°.  Slightly sol in water; freely sol in alcohol, chloroform, ether. 
Optical Rotation:  [a]D +43° 
  
Derivative Type:  Hydrochloride  
CAS Registry Number:  52211-63-9 
Trademarks:  Desclidium (Nattermann);  Permiran (Laphal) 
Molecular Formula:  C20H24N2O2.HCl 
Molecular Weight:  360.88 
Percent Composition:  C 66.56%, H 6.98%, N 7.76%, O 8.87%, Cl 9.82% 
Properties:  Yellow, odorless and bitter tasting powder, mp 184 ±4°.  uv max (chloroform):  246, 355 nm.  Sol in alc; sparingly sol in water.  Practically insol in acetone. 
Melting point:  mp 184 ±4° 
Absorption maximum:  uv max (chloroform):  246, 355 nm 
  
Therap-Cat:  Vasodilator (cerebral). 
Keywords:  Vasodilator (Cerebral).   |