反应详情

The title compound was prepared according to the procedure in Example 5, step 2, using 3,5-diethyl-4-methoxybenzoic acid (10.66 g, 51.3 mmol), oxalyl chloride (4.90 mL, 56.3 mmol), N,N-DMF (2 drops), tin IV chloride (6.60 mL, 56.3 mmol) and 2-benzyl-4,5-dimethylfuran (11.4 g, 61.3 mmol) to give 22.0 g, of the title compound. 1H NMR δ1.13 (t, 6H), 1.83 (s, 3H), 2.19 (s, 3H), 2.61 (q, 4H), 3.74 (s, 3H), 3.82 (s, 2H), 7.05 (d, 2H), 7.23-7.27 (m, 3H), 7.42 (s, 2H). mass spectrum (EI), m/z 376 (M+).

1. customThe title compound was prepared
2. customto give 22.0 g