triethylamine; 1,1'-carbonyldiimidazole in dichloromethane

1: 1,1'-carbonyldiimidazole; 6-(4-aminophenyl)-5-(N-benzyl-N-methylaminomethyl)-1-(2,6-difluorobenzyl)-3-phenylthieno[2,3-d]pyrimidine-2,4(1H,3H)-dione With triethylamine in dichloromethane T=20°C; 42 h; 2: N-methoxyamine hydrochloride in dichloromethane T=0 - 20°C; 3 h;

pyridine; triethylamine in N,N-dimethyl acetamide; water