2-Bromobenzyl cyanide → 2-(4,4-Dimethyl2-oxo-1,4-dihydro-2H-benzo[d][1,3]-oxazin-6-yl)phenylacetonitrile

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Prepared according to procedure B from 2-bromophenylacetonitrile and (1,4-dihydro-4,4-dimethyl-2-oxo-2H-3,1-benzoxazin-6-yl)boronic acid. White solid; mp 176-179° C.; 1H-NMR (DMSO-d6), δ10.31 (s, 1H), 7.53 (m, 1H), 7.48 (m,2H), 7.22-7.32 (m,3H), 6.98 (d, 1H; J=8.0 Hz), 3.90(s,2H), 1.64(s,6H). MS (+)APCI [M+H]+ m/z=293. Anal. Calc. For C18H16N2O2: C, 73.95, H, 5.52, N, 9.58. Found: C,73.51, H, 5.70, N, 9.39.

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