Patent ID: 7579472

Claim:
A process for preparing a compound of formula IIIa: comprising: (g) contacting a compound of formula III with an R 1b -metal reagent to form a compound of formula IIIa; wherein: ring D is selected from phenyl, 2-fluorophenyl, 3-chlorophenyl, and 4-methoxyphenyl; B is selected from F, Cl, Br, I, OSO 2 CF 3 , OSO 2 Ph-p-Me, and 2-oxo-pyridyl; R 1a is selected from CH 3 , CH 2 CH 3 , and CH 2 CH 2 CH 3 ; R 1b is C 1-6 alkyl; ring A is substituted with 0-1 R 4 ; R 4 is selected from H, OH, OCH 3 , OCH 2 CH 3 , OCH 2 CH 2 CH 3 , OCH(CH 3 ) 2 , F, Cl, Br, I, CH 3 , CH 2 CH 3 , CH 2 CH 2 CH 3 , CH(CH 3 ) 2 , CH 2 CH 2 CH 2 CH 3 , CH 2 CH(CH 3 ) 2 , CH(CH 3 )CH 2 CH 3 , CH(CH 3 ) 3 , —CN, and CF 3 .