反应详情

The general procedure of Example 1 (6) was carried out by use of 2-(4-chlorobenzyl)-6-(2,3-dihydro-1-benzofuran-5-yl)-4-methanesulfonyloxymethyl-2H-pyridazin-3-one, to thereby yield the title compound as faint yellow needle-like crystal (yield: 46.3%).