摘要:
The disclosure concerns a process for synthesizing a compound of formula (FI) wherein: R1is phenyl substituted with halogen or trifluoromethyl, and further optionally substituted with one or two substituents selected from the group consisting of halogen, (C1-C6)alkyl, (C1-C6)alkoxy, and halo(C1-C6)alkyl; or alternatively R1is pyrrolidin-1-yl; R2is 2-oxo-pyrrolidin-1-ylmethyl or sulfamoylphenyl; and R3is chosen from propyl, 1-methylethyl, butyl, 2-methylpropyl, pentyl, 1 -methyl-butyl, 2- methylbutyl, hexyl, 4-methylpentyl, 3-methylpentyl, 2-methylpentyl, and 1- methylpentyl.