HCID 66602566, compound → 2-(3-Cyclopropoxy-4-difluoromethoxyphenyl)-3-(2-cyclopropylethyl)-1,5-bis(2-trimethylsilylethoxymethyl)-1,5-dihydropyrrolo[2,3-d]pyridazin-4-one

Participants

Reaction Steps

Reaction and post treatment were carried out in the same manner as in Example 68-(b) except for using 0.47 g (0.71 mmol) of 2-(3-cyclopropoxy-4-difluoromethoxyphenyl)-3-(2-cyclopropylvinyl)-1,5-bis(2-trimethylsilylethoxymethyl)-1,5-dihydropyrrolo[2,3-d]pyridazin-4-one obtained in Example 70-(a) in place of 2-(3-cyclopropoxy-4-difluoromethoxyphenyl)-3-(1-pentenyl)-1,5-bis(2-trimethylsilylethoxymethyl)-1,5-dihydropyrrolo[2,3-d]pyridazin-4-one, whereby 0.44 g of the title compound was obtained as a colorless oil. (Yield: 94%)

Provenance & Evidence