反应详情

Alternatively, and following the procedure for 184, methyl 2-carbamoyl-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-9-carboxylate was reacted with 1,1-dimethoxy-N,N-dimethylmethanamine, followed by treatment of trifluoroethylhydrazine hydrochloride in acetic acid to provide 185 (65% yield). 1H NMR (400 MHz, DMSO) δ 8.51 (d, J=8.4, 1H), 8.15 (s, 1H), 8.10 (s, 1H), 7.71 (dd, J=8.4, 1.7, 1H), 7.58 (d, J=1.6, 1H), 5.89 (q, J=8.8, 2H), 4.65-4.45 (m, 5H), 3.87 (s, 3H), 3.58-3.37 (m, 7H)