The present invention provides, inter alia, convergent processes for preparing eptifibatide that involve coupling a 2-6 eptifibatide fragment to an activated cysteinamide residue to form a 2-7 eptifibatide fragment, attaching a mercaptopropionic acid residue to the 2-7 eptifibatide fragment through disulfide bond formation, coupling the peptide intramolecularly, and removing the protecting group, to form eptifibatide. The invention further provides products produced by the described processes, novel compounds that can be used as synthetic intermediates for the preparation of eptifibatide, and novel compounds that are structurally similar to eptifibatide.
本发明提供了制备依普利贝肽的汇聚过程,其中涉及将2-6依普利贝肽片段与活性半胱
氨酰残基偶联形成2-7依普利贝肽片段,通过二
硫键形成将巯基
丙酸残基连接到2-7依普利贝肽片段上,将肽链分子内耦合,去除保护基,形成依普利贝肽。本发明进一步提供了通过上述过程制备的产品、可用作依普利贝肽合成中间体的新化合物以及结构类似于依普利贝肽的新化合物。