7-(4-Fluorobenzyloxy)-3-hydroxymethyl-2-methyl-1-[(1S,2S)-2-methylcyclopropylmethyl]pyrrolo[2,3-d]-pyridazine 在
manganese dioxide crude crystals 、
乙酸乙酯 、
正己烷 作用下,
以
二氯甲烷 为溶剂,
反应 18.0h,
以to give the title compound (44.3 g, 69%) as pale yellow crystals的产率得到7-(4-fluorobenzyloxy)-3-formyl-2-methyl-1-[(1S,2S)-2-methylcyclopropylmethyl]pyrrolo[2,3-d]pyridazine