反应详情

By reacting 1,2-dihydro-9-hydroxy-7-methyl-4-oxo-4H-thieno[2,3-c][1]benzopyran with n-hexyl magnesium bromide, using the manipulative procedure described in Example 8, there is obtained 4,4-di(1-hexyl)-1,2-dihydro-9-hydroxy-7-methyl-4H-thieno[2,3-c][1]benzopyran.