The present application relates to a novel method of preparing L-threo-dihydroxyphenylserine (droxidopa). Specifically, the application is directed to a method of preparing droxidopa via a deprotection step that is an alternative to deprotection steps that have been previously disclosed. The new deprotection strategy is advantageous in that it avoids the need to use hydrogenolysis or hydrazine.
本申请涉及一种制备
L-脯氨酸二羟基苯
丙胺(Droxidopa)的新方法。具体而言,本申请涉及一种通过去保护步骤制备Droxidopa的方法,该方法是先前公开的去保护步骤的替代方法。新的去保护策略具有优点,即避免了使用氢解或
肼。