反应详情

Ethyl (Z)-2-(hydroxyimino)-3-oxobutyrate (3.61 g) was reacted with trans-4-methylcyclohexanol as described in Example 4a, Method 3, to give the title compound as a colourless liquid (1.66 g, 29%).[Found: M+ +H, 256.1555. C13H21NO4 requires M+H, 256.1549]. νmax (film) 2930, 2850, 1745, 1690 cm-1 ; δH (CDCl3) 0.89 (3H, d), 1.20 (2H, m), 1.35 (3H, t), 1.47 (3H, m), 1.60 (2H, m), 2.03 (2H, m), 2.40 (3H, s), 4.36 (2H, q), 4.51 (1H, m); δC (CDCl3) 14.3, 22.2, 25.1, 29.1 (2C), 29.4 (2C}, 31.5, 61.8, 81.2, 150.2, 161.5, 193.1.