ethyl 2-{[(1R)-1-phenylethyl]amino}nicotinate → 1-[(1R)-1-phenylethyl]-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione

Participants

Reaction Steps

The title compound was prepared according to the procedure of Example 3B substituting the product of Example 57A for the product of Example 3A (0.250 g, 62%). 1H NMR (300 MHz, DMSO-d6) δ 1.86 (d, J=6.99 Hz, 3H), 6.65 (q, J=6.99 Hz, 1H), 7.27 (m, 3H), 7.40 (m, 3H), 8.43 (dd, J=7.72, 1.84 Hz, 1H), 8.73 (dd, J=4.96, 2.02 Hz, 1H).

Provenance & Evidence