2-(1-(4-chlorophenyl)cyclopropyl)-3-hydroxy-8-(trifluoromethoxy)quinoline-4-carboxylic acid   、                                                                                      
靛红   、                                                                                      
2-(1-(4-chlorophenyl)cyclopropyl)-2-oxoethyl acetate   、                                                                                      
盐酸                                                                                                                                                              在
                                                                                                                                                                                 
水   、                                                                                                  Acetonitrile ethanol                                                                                                                                  作用下,
                                                                                                                                                                                                                            以Compound 8 was obtained as a fine, bright yellow crystalline material (272 mg, 27% yield)的产率得到2-(1-(4-chlorophenyl)cyclopropyl)-3-hydroxyquinoline-4-carboxylic acid