申请人:Ajinomoto Co., Inc.
公开号:US05795612A1
公开(公告)日:1998-08-18
Novel aspartyldipeptideamide derivatives of formula (I): L--Asp--X--NH--C*HR.sub.1 R.sub.2 and salts thereof, wherein X is a D-.alpha.-amino acid residue or a DL-.alpha.-amino acid residue selected from the group consisting of D-alanine, D-.alpha.-aminobutyric acid, D-norvaline, D-valine, D-norleucine, D-leucine, D-isoleucine, D-alloisoleucine, D-t-leucine, D-serine, D-O-methylserine, D-threonine, D-O-methylthreonine, D-allothreonine, D-O-methylallothreonine, D-phenyl glycine and D- or DL furyl glycine, or X is a cyclic or non-cyclic .alpha., .alpha.-dialkyl amino acid residue having 3 to 6 carbon atoms; R.sub.1 is a linear or branched alkyl group having 1 to 6 carbon atoms or an alkoxymethyl group having 2 to 7 carbon atoms in the alkoxy portion; R.sub.2 is a phenyl group having a substituent in its 2, 3- or 4-position selected from the group consisting of F, Cl, Br, I, a hydroxy group, a linear or branched alkoxy group having 1 to 6 carbon atoms, a cyano group, a nitro group, an acetyl group, an amino group and an acetylamino group, or R.sub.2 is a phenyl group having a methylenedioxy group, a trimethylene group or a tetramethylene group in its 2, 3- or 3, 4- position or R.sub.2 is a 2, 3- or 4-pyridyl group, a 2- or 3-furyl group or a 2- or 3-thienyl group; the configuration of C* in formula (I) is (S) or (RS) when R.sub.1 is a linear or branched alkyl group; (R), (S), or (RS) when R.sub.1 is an alkoxymethyl group; and in formula (I), L-Asp and X are .alpha.-bonded.
化合物的新型天冬酰二肽酰胺衍
生物的
化学式(I):L-Asp-X-NH-C*HR.sub.1 R.sub.2及其盐,其中X是从D-
α-氨基酸残基或DL-
α-氨基酸残基中选择的
D-丙氨酸、D-α-
氨基
丁酸、
D-正缬氨酸、
D-缬氨酸、
D-正亮氨酸、
D-异亮氨酸、D-异
异亮氨酸、D-t-亮
氨酸、
D-丝氨酸、D-O-甲基
丝氨酸、
D-苏氨酸、D-O-甲基苏
氨酸、
D-苏氨酸、D-O-甲基苏
氨酸、D-苯基甘
氨酸和D-或DL
呋喃基甘
氨酸的组中选择的D-
α-氨基酸残基或非环或非环α,α-二烷基
氨基酸残基,碳原子数为3到6个;R.sub.1是具有1到6个碳原子的线性或支链烷基基团或在烷氧部分具有2到7个碳原子的烷氧甲基基团;R.sub.2是具有2,3-或4-位置的取代基的苯基,所述取代基选自F、Cl、Br、I、羟基、具有1到6个碳原子的线性或支链烷氧基、
氰基、硝基、乙酰基、
氨基和乙酰
氨基,或R.sub.2是具有2,3-或3,4-位置的亚甲二氧基基团、三亚甲基基团或四亚甲基基团的苯基,或R.sub.2是2,3-或4-
吡啶基、2-或3-
呋喃基或2-或3-
噻吩基;当R.sub.1是线性或支链烷基基团时,
化学式(I)中C*的构型为(S)或(RS);当R.sub.1是烷氧甲基基团时,构型为(R)、(S)或(RS);在
化学式(I)中,L-Asp和X是α-键合。