Triethylamine → HCID 58696325, compound

Reaction equation

[C:1]([O:5][C:6](=[O:24])[N:7]([C:9]([C:16]1[CH:21]=[CH:20][C:19]([Cl:22])=[C:18]([Cl:23])[CH:17]=1)([CH2:13][NH:14][CH3:15])[CH2:10][CH:11]=[CH2:12])[CH3:8])([CH3:4])([CH3:3])[CH3:2].C(N(CC)CC)C.[C:32](Cl)(=[O:36])[CH:33]([CH3:35])[CH3:34]>C(#N)C>[C:1]([O:5][C:6](=[O:24])[N:7]([C:9]([C:16]1[CH:21]=[CH:20][C:19]([Cl:22])=[C:18]([Cl:23])[CH:17]=1)([CH2:13][N:14]([C:32](=[O:36])[CH:33]([CH3:35])[CH3:34])[CH3:15])[CH2:10][CH:11]=[CH2:12])[CH3:8])([CH3:2])([CH3:3])[CH3:4]

Participants

Procedure

tert-Butyl[1-(3,4-dichlorophenyl)-1-methylaminomethyl-3-butenyl]methylcarbamate (2.0 g) produced in Example 4 was dissolved in acetonitrile (40 mL). Under cooling with ice, triethylamine (1.49 mL) and isobutyryl chloride (1.12 mL) was added thereto. Under cooling with ice, the mixture was stirred for 1 hour. The reaction mixture was concentrated under reduced pressure, and water was added to the residue, followed by extraction with ethyl acetate. The organic layer was washed with saturated brine, dried over sodium sulfate anhydrate, and concentrated under reduced pressure. The residue was purified through silica gel column chromatography (n-hexane:ethyl acetate=3:1), to thereby give the title compound (1.53 g, 64%).