反应详情

Ethyl (Z)-2-(hydroxyimino)-3-oxobutyrate (3.0 g) was reacted with tetrahydro-4H-pyran-4-ol as described in Example 4a, Method 3, to give the title compound as a colourless liquid (1.69 g, 37%). νmax (film) 2950, 1740, 1695 cm-1. δH (CDCl3) 1.34 (3H, t), 1.82 (2H, m), 2.03 (2H, m), 2.40 (3H, s), 3.57 (2H, m), 3.91 (2H, m), 4.37 (2H, q), 4.54 (1H, m).