Patent ID: 7652146

Claim:
A process for preparing a compound having the formula (I), wherein R 1 , R 3 and R 5 are H, R 2 is R 4 is alkyl or substituted alkyl, R 8 is alkyl or cyclopropyl, Z 1 is alkyl or halogen, and n is 0 or 1, comprising, (i) reacting a compound having the formula (II), wherein X is a leaving group, and R 1 and R 2 are as defined above, (ii) with a compound having the formula (III) wherein R 6 and R 7 are (i) independently selected from alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, aryl, heteroaryl, cycloalkyl, and heterocyclo, or alternatively, (ii) R 6 and R 7 are taken together to form heteroaryl or heterocyclo; (iii) to provide the compound having formula (I), above.