Ex parte TAKETOMI et al. - Page 10




          Appeal No. 1996-2919                                                        
          Application No. 08/139,861                                                  


          wherein R and X are as defined above,                                       
          in the presence of a ruthenium-optically active phosphine                   
          complex as a catalyst,                                                      
          and then recovering the optically active carnitine ester                    
          represented by formula (I) which has been formed, wherein said              
          ruthenium-optically active phosphine complex is selected from               
          the group consisting of a compound represented by formula                   
          (III):                                                                      

                                Ru H Cl (R -BINAP) (Q)1                          (III)             
                                  x y z          2  p                                 

          wherein R -BINAP represents a tertiary phosphine represented1                                                                  
          by formula                                                                  
          (IV):                                                                       















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