7-bromo-2H,3H,4H-pyrido(3,2-b)(1,4)oxazin-3-one → 7-[4-(6,6-dimethyl-5,6,7,8-tetrahydroquinazolin-4-yl)-2,3,4,5-tetrahydro-1,4-benzoxazepin-7-yl]-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one

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Reaction Steps

Prepared according to the method of example 5 by using 7-bromo-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one and [4-(6,6-dimethyl-5,6,7,8-tetrahydroquinazolin-4-yl)-2,3,4,5-tetrahydro-1,4-benzoxazepin-7-yl]boronic acid (reagent preparation 23) in step 1. 1H NMR (400 MHz, DMSO-d6): 8.38 (s, 1H), 8.21 (s, 1H), 7.70 (s, 1H), 7.62 (s, 1H), 7.53 (d, 1H), 7.07 (d, 1H), 4.68 (s, 2H), 4.62 (s, 2H), 4.33 (m, 2H), 3.82 (m, 2H), 2.71 (t, 2H), 2.45 (s, 2H), 1.56 (t, 2H), 0.84 (s, 6H); MS (EI) for C26H27N5O3: 458 (MH+).

Provenance & Evidence