... The Journal of Organic ... The organic layer was then dried over Na 2 SO 4 and concentrated in vacuo to afford oxime 19 as a white solid (9.10 g, 95%), which was ... C; 1 H NMR (400 MHz, CDCl 3 ) δ 1.17−1.32 (m, 2H), 1.72−1.87 (m, 3H), 2.01−2.09 (m, 2H,), 2.41 (d, 1H, J = 14.6 Hz ...