The present invention relates to an improved synthetic process for preparing N-(benzenesulfonyl)-L-prolyl-L-O-(1-pyrrolidinylcarbonyl)tyrosine. The present invention is also directed to individual steps in this process and individual intermediates used in this process.
本发明涉及一种改进的合成方法,用于制备N-(苯磺酰基)-L-脯
氨酰-L-O-(1-
吡咯烷基羰基)
酪氨酸。本发明还涉及此过程中的各个步骤和所使用的各个中间体。