反应详情

Utilizing the general procedure outlined in Example 48, 1,1,2,2-tetraacetylethane (200 mg, 1.0 mol), 4-ethoxy-2-fluoro-phenyl amine (155 mg, 1.0 mmol) and hydrazine (50 μL) reacted to give 6-(4-ethoxy-2-fluoro-phenyl)-1,4,5,7-tetramethyl-6H-pyrrolo[3,4-d]pyridazine as yellow solid: 1H NMR (CDCl3, 500 MHz) δ 7.13 (t, 1H), 6.88 (m, 2H), 4.16 (q, 2H), 2.82 (s, 6H), 2.46 (s, 6H), 1.53 (t, 3H); MS (ESI) 314 (M+H)+.

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