[N:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][C:9]=2[N:11]2[CH2:16][CH2:15][C:14](=O)[CH2:13][CH2:12]2)[CH:4]=[CH:3][CH:2]=1.[N:18]1([C:24]2[CH:32]=[CH:31][CH:30]=[C:29]3[C:25]=2[CH:26]=[CH:27][NH:28]3)[CH2:23][CH2:22][NH:21][CH2:20][CH2:19]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(O)(=O)C>C(Cl)Cl>[NH:28]1[C:29]2[C:25](=[C:24]([N:18]3[CH2:23][CH2:22][N:21]([CH:14]4[CH2:15][CH2:16][N:11]([C:9]5[CH:8]=[CH:7][CH:6]=[C:5]6[C:10]=5[N:1]=[CH:2][CH:3]=[CH:4]6)[CH2:12][CH2:13]4)[CH2:20][CH2:19]3)[CH:32]=[CH:31][CH:30]=2)[CH:26]=[CH:27]1To a solution of 0.270 g of 1-quinolin-8-yl-piperidin-4-one (Example A, Step 6, above) and 0.240 g of 4-piperazino-indole (commercially available) in 15 mL CH2Cl2 was added 0.327 g of sodium triacetoxyborohydride and 0.2 mL acetic acid. The reaction was stirred at room temperature overnight. It was quenched with 1N NaOH, and the product was extracted with CH2Cl2. The organic phase was washed with water, dried over magnesium sulfate and evaporated. The product crystallized to give 0.200 g of the desired product. Mp: 256° C.; MS (ES) m/z (relative intensity): 412 (M++−H, 100).
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