N-ethyl-4-(piperazin-1-yl)benzamide → 4-(4-((8-(Difluoromethoxy)-2-methyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)methyl)piperazin-1-yl)-N-ethylbenzamide

Participants

Reaction Steps

Using 403A and N-ethyl-4-(piperazin-1-yl)benzamide 283 in the general procedure for reductive aminations, the title compound was obtained as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.09 (t, J=7.20 Hz, 3H) 1.43 (d, J=6.82 Hz, 3H) 2.46-2.49 (m, 4H) 3.19-3.29 (m, 6H) 3.43 (s, 2H) 4.70-4.77 (m, 1H) 6.80 (s, 2H) 6.93 (d, J=8.84 Hz, 2H) 6.95-7.34 (m, 1H) 7.71 (d, J=9.09 Hz, 2H) 8.17 (t, J=5.56 Hz, 1H) 10.80 (s, 1H). ESI-MS: m/z 475.4 (M+H)+. mp 219.3-223.8° C.

Provenance & Evidence