反应详情

Using a method similar to Example 345, using 4,4-diphenyl-piperidine (0.100 g, 0.421 mmol), 6-(4-formyl-phenoxy)-nicotinamide (compound of example 332, step 1) (0.102 g, 0.419 mmol), sodium triacetoxyborohydride (0.133 g, 0.627 mmol), and acetic acid (0.038 mL, 0.664 mmol) in 1,2-dichloroethane (8.0 mL) provides, after silica gel chromatography (20:1 methylene chloride:methanol), 0.0871 g (45%) of the title compound as a white solid: high resolution mass spectrum (electrospray): m/z calc for C30H30N3O2 464.2338, found 464.2357; 1H NMR (methanol-d4): 8.67 (d, 1H, J=2.4 Hz), 8.29 (dd, 1H, J=2.0, 7.8 Hz), 7.43 (d, 2H, J=7.8 Hz), 7.38-7.27 (m, 8H), 7.19-7.11 (m, 4H), 7.02 (d, 1H, J=8.8 Hz), 3.55-3.50 (m, 2H), 2.71-2.51 (m, 8H).

1. customprovides