[CH3:1][NH:2][C:3]([C:5]1[N:6]([CH3:16])[C:7]2[C:12]([CH:13]=1)=[CH:11][CH:10]=[C:9]([O:14][CH3:15])[CH:8]=2)=O.C(OC(C1N(C)C2C(C=1)=CC=CC=2)=O)C>>[CH3:16][N:6]1[C:7]2[C:12](=[CH:11][CH:10]=[C:9]([O:14][CH3:15])[CH:8]=2)[CH:13]=[C:5]1[CH2:3][NH:2][CH3:1]N, 1-Dimethyl-6-methoxy-1H-indole-2-carboxamide According to the procedure of Preparation 1(b), except substituting methyl-1-methyl-6-methoxy-1H-indole-2-carboxylate for ethyl-1-methyl-1H-indole-2-carboxylate, the title compound (95%) was prepared as an off-white solid: MS (ES) m/e 219.2 (M+H)+ and 437.4 (2M+H)+.
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