Novel N-acyldipeptides, processes for the preparation thereof and pharmaceutical compositions containing the same
申请人:UNIVERZA EDVARDA KARDELJA V LJUBLJANI, VDO FAKULTETA ZA NARAVOSLOVJE IN TEHNOLOGIJO, N.SOL.O., LUBLJANA
公开号:EP0477912A2
公开(公告)日:1992-04-01
Novel N-acyldipeptides of formula I
wherein
R represents a rest of formula
and R4, Y, m, n and Z have the meaning as defined in the description,
R1 represents hydrogen, a 1-10C alkyl, an optionally substituted methyl or benzyl,
R2 represents a-CO-A group,
wherein A has the meanings as defined in the description,
R3 represents a -(CH2)p-CO-W group,
wherein p and W have the meaning as defined in the description,
are obtained by reacting
a) a carboxylic acid II
with a dipeptide III
b) an acid chloride IV
with a dipeptide III
c) a carboxylic acid II
with an amino acid V
to a compound VI
which is reacted with an amino acid VII
d) an acid chloride IV
with an amino acid V
to a compound VI
which is reacted with an amino acid VII
wherein the substituents , R, R1, R2 and R3 have the meaning as defined in the description. Compounds of formula I possess immunomodulatory and antitumoral activities.
式 I 的新型 N-acyldipeptides
其中
R 代表式中的其余部分
和 R4、Y、m、n 和 Z 的含义与说明中的定义相同、
R1 代表氢、1-10C 烷基、任选取代的甲基或苄基、
R2 代表 a-CO-A 基团、
其中 A 的含义与说明中定义的相同、
R3 代表-(CH2)p-CO-W 基团、
其中 p 和 W 的含义与说明中定义的相同、
通过反应
a) 羧酸 II
与二肽 III
b) 氯化酸 IV
与二肽 III
c) 羧酸 II
与一种氨基酸 V
生成化合物 VI
与氨基酸 VII 反应生成化合物 VI
d) 氯化酸 IV
与氨基酸 V
生成化合物 VI
与氨基酸 VII 反应生成化合物 VI
其中,取代基 R、R1、R2 和 R3 的含义如说明中所定义。式 I 的化合物具有免疫调节和抗肿瘤活性。