Cl.[N:2]12[CH2:9][CH2:8][CH:5]([CH2:6][CH2:7]1)[CH:4]([NH2:10])[CH2:3]2.CN1CCCN(C)P1.F[C:20]1[CH:21]=[CH:22][C:23]([N+:30]([O-:32])=[O:31])=[C:24]([CH:29]=1)[C:25]([NH:27][CH3:28])=[O:26]>CS(C)=O>[CH3:28][NH:27][C:25](=[O:26])[C:24]1[CH:29]=[C:20]([NH:10][CH:4]2[CH:5]3[CH2:8][CH2:9][N:2]([CH2:7][CH2:6]3)[CH2:3]2)[CH:21]=[CH:22][C:23]=1[N+:30]([O-:32])=[O:31]To a mixture of quinuclidin-3-amine hydrochloride (1.06 g, 5.30 mmol) and polymer supported dimethylperhydro-1,3,2-diazaphosphorine (7.0 g, 15.4 mmol) in DMSO (50 mL) was added 5-fluoro-N-methyl-2-nitrobenzamide (Intermediate 3A) (1 g, 5.05 mmol) and reaction heated at 60° C. for 72 hours. The resin was removed by filtration and washed thoroughly with methanol and dichloromethane. The filtrate was purified using a 20 g SCX cartridge followed by trituration with dichloromethane/methanol/diethyl ether to afford N-methyl-2-nitro-5-(quinuclidin-3-ylamino)benzamide (0.41 g, 1.36 mmol).
読み込み中…
