[C:1]([C:3]1[CH:12]=[C:11]2[C:6]([CH2:7][CH2:8][CH:9]([NH:22][C:23](=[O:29])[O:24][C:25]([CH3:28])([CH3:27])[CH3:26])[CH:10]2[CH2:13][C:14]2[CH:19]=[CH:18][C:17]([Cl:20])=[C:16]([Cl:21])[CH:15]=2)=[CH:5][CH:4]=1)#[N:2]>CO.[Ni]>[NH2:2][CH2:1][C:3]1[CH:12]=[C:11]2[C:6]([CH2:7][CH2:8][CH:9]([NH:22][C:23](=[O:29])[O:24][C:25]([CH3:27])([CH3:26])[CH3:28])[CH:10]2[CH2:13][C:14]2[CH:19]=[CH:18][C:17]([Cl:20])=[C:16]([Cl:21])[CH:15]=2)=[CH:5][CH:4]=1tert-Butyl [7-cyano-1-(3,4-dichlorobenzyl)-1,2,3,4-tetrahydronaphthalen-2-yl]carbamate (30 mg, 0.07 mmol, cf. example 34d) were dissolved in methanol (3 mL). Raney nickel (10 mg) was added and the reaction mixture stirred at room temperature under an atmosphere of hydrogen for 4 h. The catalyst was removed by filtration and the methanol was evaporated in vacuo. Yield: 18 mg (0.041 mmol, 59%).
読み込み中…