申请人:SAGAMI CHEMICAL RESEARCH CENTER
公开号:EP0035743A1
公开(公告)日:1981-09-16
There is provided a novel process forthe preparation of a dipeptide represented by the formula:
wherein Ar represents an aromatic group; R'represents a hydrogen atom, an alkyl group or an aryl group; R2 represents a hydrogen atom, an alkyl group or an aromatic group; Y represents a hydroxy group, an amino group or an acylamino group,
which comprises subjecting a β-lactam compound represented by the formula:
wherein Ar, R1 and R2 have the same meanings as defined above, and X represents a hydroxy group, an amino group or an acylamino group, an azido group or a ben- zyloxygroup,
to hydrogenolysis in the presence of a catalyst. The process can be practiced without any complicated procedure as seen in the conventional processes for the preparation of peptides.
本发明提供了一种制备由式表示的二肽的新工艺:
其中 Ar 代表芳基;R'代表氢原子、烷基或芳基;R2 代表氢原子、烷基或芳基;Y 代表羟基、氨基或酰氨基、
其中 Ar、R1 和 R2 代表氢原子、烷基或芳基;Y 代表羟基、氨基或酰氨基:
其中 Ar、R1 和 R2 的含义与上述定义相同,X 代表羟基、氨基或酰氨基、叠氮基或苯甲酰基、
在催化剂存在下进行氢解。本发明的制备过程无需像传统的多肽制备过程那样复杂。