反応 #1271669

反応方程式

353A

8-Benzyl-2-methyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carbaldehyde

N-ethyl-4-(piperazin-1-yl)benzamide

N-Ethyl-4-(piperazin-1-yl)benzamide

→

title compound

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

反応条件

実験手順

Using 353A and N-ethyl-4-(piperazin-1-yl)benzamide 283 in the general procedure for reductive aminations, the title compound was obtained as a light grey solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.09 (t, J=7.20 Hz, 3H) 1.32 (d, J=6.82 Hz, 3H) 2.41-2.49 (m, 4H) 3.16-3.29 (m, 6H) 3.38 (s, 2H) 3.89 (s, 2H) 4.53-4.60 (m, 1H) 6.75-6.82 (m, 2H) 6.93 (m, 2H) 7.14-7.19 (m, 1H) 7.19-7.23 (m, 2 H) 7.24-7.29 (m, 2H) 7.71 (m, 2H) 8.17 (t, J=5.68 Hz, 1H) 10.59 (s, 1H). ESI-MS: m/z 499.4 (M+H)+. mp=198.1-205.7° C.

出典