反应详情

5-(5-Bromo-pyridin-2-ylmethoxy)-2H-pyridazin-3-one is prepared following preparation 18b from 5.30 g (14.5 mmol) 5-(5-bromo-pyridin-2-ylmethoxy)-2-(tetrahydro-pyran-2-yl)-2H-pyridazin-3-one (preparation 25a).