反应详情

The title compound is prepared by the procedure of Example 32 using 75 g of product from Example 51, 34.8 g of potassium hydroxide, 45 ml of water and 800 ml of ethyl alcohol. The residue is recrystallized from carbon tetrachloride/hexane to give 60.6 g of the desired product as white crystals.

1. customThe residue is recrystallized from carbon tetrachloride/hexane