反应详情

The title compound was prepared from methyl 4,5-methylenedioxy-2-(4-methylbenzoyl)phenylacetate (90 mg, 0.29 mmol), hydrazine hydrate (50 μL, 0.88 mmol) and acetic acid (40 μL) in ethanol (10 mL), mp: 222°-224° C. 1H NMR (CDCl3) 8.36 (s, 1H), 7.48 (d, 2H, J=8.0), 7.23 (d, 2H, J=8.0), 6.82 (s, 1H), 6.64 (s, 1H), 6.02 (s, 2H), 3.45 (s, 2H), 2.41 (s, 3H). Anal. Calcd. for C17H14N2O3 : C, 69.38; H, 4.79; N, 9.52. Found: C, 69.14; H, 4.80; N, 9.30.