Ex Parte Steiner et al - Page 9




         Appeal No. 2003-0905                                                       
         Application No. 09/781,426                                                 

              aminoalkyl, sulfhydryl, thioalkyl sulfonyl, or oxygen to              
              form a carbonyl,                                                      
              or wherein any atom of said alkyl or alkenyl is optionally            
              replaced with O, NR2, S, SO, OR SO2;                                  
              C and D are independently hydrogen, Ar, C1-C6 straight or             
         branched chain alkyl, or C2-C6 straight or branched chain                  
         alkenyl,                                                                   
              wherein said alkyl or alkenyl is optionally substituted               
              with one or more substituent(s) independently selected from           
              the group consisting of C1-C6 alkyl, C2-C6 alkenyl, hydroxy,          
              amino, halo, haloalkyl, thiocarbonyl, ester, thiester,                
              alkoxy, alkenoxy, cyano, nitro, imino,                                
              alkylamino, aminoalkyl, sulfhydryl, thioalkyl, sulfonyl,              
              C3-C8 cycloalkyl, C5-C7 cycloalkenyl, oxygen to form a                
              carbonyl, and Ar,                                                     
              wherein any carbon atom of said alkyl or alkenyl is                   
              optionally replaced with O, NR2, S, SO, or SO2,                       
              and wherein said cycloalkyl or cycloalkenyl is optionally             
              substituted with C1-C6 alkyl, C2-C6 alkenyl, hydroxy, amino,          
              halo, haloalkyl, thiocarbonyl, ester, thioester, alkoxy,              
              alkenoxy, cyano, nitro, imino, alkylamino, aminoalkyl,                
              sulfhydryl, thioalkyl, or sulfonyl; and                               
              R1 is selected from the group consisting of Ar, C3-C8                 
         cycloalkyl, C1-C6 straight or branched chain alkyl, and C2-C6              
         straight or branched chain alkenyl,                                        
              wherein said alkyl or alkenyl is optionally substituted               
              with one or more substituent(s) independently selected from           
              the group consisting of Ar, C3-C8 cycloalkyl, amino, halo,            
              haloalkyl, hydroxy, trifluoromethyl, C1-C6 straight or                
                                        -3-                                         




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