[N+:1]([C:4]1[CH:12]=[CH:11][C:10]([N:13]2[CH2:18][CH:17]([CH3:19])[O:16][CH:15]([CH3:20])[CH2:14]2)=[CH:9][C:5]=1[C:6]([OH:8])=[O:7])([O-])=O.C1CCCCC=1>[Pd]>[NH2:1][C:4]1[CH:12]=[CH:11][C:10]([N:13]2[CH2:18][CH:17]([CH3:19])[O:16][CH:15]([CH3:20])[CH2:14]2)=[CH:9][C:5]=1[C:6]([OH:8])=[O:7]The mixture of 6 g 2-nitro-5-(2,6-dimethylmorpholin-4-yl)benzoic acid, 15 ml cyclohexene and 3 g Pd/C (10%) is heated under reflux for 6 hours. The hot reaction mixture is filtered through a celite pad. After evaporation of the filtrate 4.8 g title product is obtained (MH+: 251).
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