DT A NN-MIXTURE mixture IN-OF of OSCAR-CM 5-chloro-8-hydroxyquinoline-7-carboxylic OSCAR-CM acid -LRB- ( CD 0.50 NN-MASS g COMMA , CD 2.24 NN-AMOUNT mmol -RRB- ) COMMA , OSCAR-CM benzylamine -LRB- ( CD 0.29 NN-MASS g COMMA , CD 2.68 NN-AMOUNT mmol -RRB- ) COMMA , OSCAR-CM 1-hydroxy-7-azabenzotriazole -LRB- ( CD 0.36 NN-MASS g COMMA , CD 2.68 NN-AMOUNT mmol -RRB- ) COMMA , OSCAR-CM 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide OSCAR-CM hydrochloride -LRB- ( CD 0.51 NN-MASS g COMMA , CD 2.68 NN-AMOUNT mmol -RRB- ) COMMA , CC and OSCAR-CM triethylamine -LRB- ( CD 0.62 NN-VOL mL COMMA , CD 4.47 NN-AMOUNT mmol -RRB- ) IN-IN in OSCAR-CM DMF -LRB- ( CD 15 NN-VOL mL -RRB- ) VBD was VB-STIR stirred IN at NN-TEMP room NN-TEMP temperature NN-TIME overnight STOP . DT-THE The JJ-CHEM reaction NN-CHEMENTITY mixture VBD was VB-CONCENTRATE concentrated IN-UNDER under NN-VACUUM vacuum STOP . DT-THE The NN-CHEMENTITY residue VBD was VB-DISSOLVE dissolved IN-IN in OSCAR-CM DMSO CC and VB-SUBJECT subjected TO to NNP HPLC NN-PURIFY purification IN-ON on OSCAR-CM C-18 JJ stationary NN-CHEMENTITY phase VB-WASH eluted IN-WITH with OSCAR-CM water DASH / OSCAR-CM acetonitrile DASH / OSCAR-CM TFA JJ mobile NN-CHEMENTITY phase STOP . NNP Collection CC and NN lyophilization IN-OF of JJ appropriate NNS fractions VB-YIELD provide DT-THE the JJ-COMPOUND title NN-CHEMENTITY compound IN-AS as JJ yellow NN-STATE solid STOP .