The present invention relates to the use of a compound having the formula (II) for the preparation of a compound having the formula (V). Methods of preparing the compound having the formula (V) using the compound having the formula (II) are also described. Individual reaction steps as well as intermediates are additionally claimed.
本发明涉及使用具有
化学式(II)的化合物制备具有
化学式(V)的化合物。还描述了使用具有
化学式(II)的化合物制备具有
化学式(V)的方法。此外,还声明了单个反应步骤以及中间体。