反应详情

By a similar operation as in Reference Example 13 and using ethyl 2-methyl-1-(phenylsulfonyl)-1H-pyrrole-3-carboxylate (8.05 g) and 1.5 mol/L diisobutylaluminum hydride toluene solution (55 mL), the title compound was obtained as white crystals (yield 6.61 g, 96%).