Production of pitavastatin calcium safely on an industrial scale with a high yield and high selectivity at low cost. A method of producing pitavastatin calcium including step (i) for acetalizing a compound represented by the formula (1) to give a compound represented by the formula (3), step (ii) for reacting a compound represented by the formula (3) with an acid to give a compound represented by the formula (4), and step (iii) for hydrolyzing a compound represented by the formula (4) and reacting same with a calcium compound.
以低成本、高产率和高选择性安全地工业化生产
匹伐他汀钙。一种生产
匹伐他汀钙的方法,包括步骤(i)将式(1)代表的化合物
缩醛,得到式(3)代表的化合物;步骤(ii)将式(3)代表的化合物与酸反应,得到式(4)代表的化合物;步骤(iii)
水解式(4)代表的化合物,并使其与
钙化合物反应。