[CH3:1][CH:2]([CH3:22])[CH2:3][CH2:4][NH:5][C:6]([C:8]1[C:9]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][C:15]=2[CH2:20][NH2:21])=[CH:10][CH:11]=[CH:12][CH:13]=1)=[O:7].Cl[C:24]([O:26][CH3:27])=[O:25]>>[CH3:1][CH:2]([CH3:22])[CH2:3][CH2:4][NH:5][C:6]([C:8]1[C:9]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][C:15]=2[CH2:20][NH:21][C:24]([O:26][CH3:27])=[O:25])=[CH:10][CH:11]=[CH:12][CH:13]=1)=[O:7]From 0.34 mmol of 2′-aminomethylbiphenyl-2-carboxylic acid (3-methylbutyl)amide (precursor 5 c) and methyl chloroformate, according to the general working procedure followed by extraction with EA and purification by flash chromatography 29 mg of 2′-(methoxycarbonylaminomethyl)biphenyl-2-carboxylic acid (3-methylbutyl)amide were obtained as a resin.
Wird geladen…