Nonapeptide and decapeptide analogs of LHRH useful as LHRH antagonists, their preparation and compositions containing them
申请人:SYNTEX (U.S.A.) INC.
公开号:EP0097031A2
公开(公告)日:1983-12-28
Nonapeptide and decapeptide analogs of LHRH which have the formula
and the pharmaceutically acceptable salts thereof, wherein:
A is an amino acyl residue selected from the group consisting of L-pyroglutamyl, D-pyroglutamyl, N-acyl-D,L-tryptophanyl, N-acyl-glycyl, N-Ac-D,L-Δ3,4-prolyl, N-Ac-D,L-prolyl, N-Ac-L-alkylprolyl, N-Ac-D,L-phenylalanyl, N-Ac-D,L-p-chlorophenylalanyl, N-Ac-D,L-seryl, N-Ac-D,L-threonyl, N-Ac-D,L-alanyl, 3-(1-naphthyl)-D,L-alanyl, 3-(2-naphthyl)-D,L-alanyl, 3-(2,4,6-trimethylphenyl)-D,L-alanyl, 3-(4-trifluoromethylphenyl)-D,L-alanyl, 3-(9-anthryl)-D,L-alanyl, 3-(2-fluorenyl)-D,L-alanyl, and 3-(Het)-D,L-alanyl wherein Het is a heterocyclic aryl containing radical selected from
wherein A" and A' are independently selected from the group consisting of hydrogen, lower alkyl, chlorine and bromine, and G is selected from the group consisting of oxygen, nitrogen and sulfur;
B is an amino acyl residue selected from the group consisting of D-phenylalanyl, D-p-Cl-phenylalanyl, D-p-F-phenylalanyl, D-p-nitrophenylalanyl, 3-(3,4,5-trimethoxyphenyl)-D-alanyl, 2,2-diphenylglycine, D-a-methyl-p-Cl-phenylalanine and 3-(2,4,6-trimethylphenyl)-D-alanyl;
C is an amino acyl residue selected from the group consisting of L-tryptophanyl, D-tryptophanyl, D-phenylalanyl, D-Mesphenylalanyl, 3-(2-pyridyl)-D-alanyl, 3-(3-pyridyl)D-alanyl, 3-(1-naphthyl)-D-alanyl, 3-(2-naphthyl)-D-alanyl and 3-(4-pyridyl)-D-alanyl.
D is an amino acyl residue selected from the group consisting of L-seryl, and D-alanyl;
E is an amino acyl residue selected from the group consisting of L-phenylalanyl and L-tyrosyl;
F is an amino acyl selected from the group consisting of the radicals represented by the following structural formulas:
wherein
n is 1 to 5 ;
R, is alkyl of 1 to 12 carbon atoms, -NRR3 wherein R is hydrogen or alkyl of 1 to 4 carbon atoms, R3 is alkyl of 1 to 12 carbon atoms, cycloalkyl, phenyl, benzyl, -(CH2)n-morpholino or -(CH2)nN(R4)2 wherein n is 1 to 5 and R4 is lower alkyl;
R2 is hydrogen or R3; or R, and R2 comprise a ring represented by the following structural formulas:
wherein n is 1 to 7; A is hydrogen, alkyl of 1 to 6 carbon atoms or cycloalkyl; and X is halo or A or b) H2N-CH-CO2H
wherein R5 is alkyl of 1 to 6 carbon atoms, benzyl, phenylethyl, cyclohexyl, cyclopentyl; and R6, R7 and R8 are hydrogen or alkyl of 1 to 4 carbon atoms; and n is the integer 2-5; or
C) a substituent of the formula
wherein R9 is hydrogen, alkyl of 1 to 12 carbon atoms, phenyl or phenylloweralkyl;
G is an amino acyl residue selected from the group consisting of L-leucyl, L-norleucyl and L-norvatyl;
H is D-alaninamide, D-leucinamide, glycinamide or -NHR5 wherein R5 is lower alkyl, cycloalkyl, fluoro lower alkyl, or NHCONH-R10 wherein R,o is hydrogen or lower alkyl; and the pharmaceutically acceptables salts thereof.
LHRH 的非肽和十肽类似物,其分子式为
及其药学上可接受的盐类,其中
A 是一个氨基酰基残基,选自由 L-焦谷氨酰、D-焦谷氨酰、N-酰基-D,L-色氨酰、N-酰基-甘氨酰、N-Ac-D、L-Δ3,4-脯氨酰,N-Ac-D,L-脯氨酰,N-Ac-L-烷基脯氨酰,N-Ac-D,L-苯丙氨酰,N-Ac-D,L-氯苯丙氨酰,N-Ac-D,L-丝氨酰,N-Ac-D,L-苏氨酰、N-Ac-D,L-丙氨酰,3-(1-萘基)-D,L-丙氨酰,3-(2-萘基)-D,L-丙氨酰,3-(2,4,6-三甲基苯基)-D,L-丙氨酰,3-(4-三氟甲基苯基)-D,L-丙氨酰、3-(9-蒽基)-D,L-丙氨酰、3-(2-芴基)-D,L-丙氨酰和 3-(Het)-D,L-丙氨酰,其中 Het 是选自以下的含杂环芳基的基团
其中 A "和 A'独立地选自氢、低级烷基、氯和溴组成的组,G 选自氧、氮和硫组成的组;
B 是氨基酰基残基,选自由 D-苯丙氨酰、D-对氯苯丙氨酰、D-对 F-苯丙氨酰、D-对硝基苯丙氨酰、3-(3,4,5-三甲氧基苯基)-D-丙氨酰、2,2-二苯基甘氨酸、D-a-甲基对氯苯丙氨酰和 3-(2,4,6-三甲基苯基)-D-丙氨酰组成的组;
C 是氨基酰基残基,选自由 L-色氨酰、D-色氨酰、D-苯丙氨酰、D-甲苯丙氨酰、3-(2-吡啶基)-D-丙氨酰、3-(3-吡啶基)-D-丙氨酰、3-(1-萘基)-D-丙氨酰、3-(2-萘基)-D-丙氨酰和 3-(4-吡啶基)-D-丙氨酰组成的组。
D 是选自 L-丝氨酰和 D-丙氨酰的氨基酰基残基;
E 是一个氨基酰基残基,选自由 L-苯丙氨酰和 L-酪氨酰组成的组;
F 是一个氨基酰基,选自由下列结构式所代表的基团组成的组:
其中
n 为 1 至 5;
R,是 1 至 12 个碳原子的烷基,-NRR3,其中 R 是氢或 1 至 4 个碳原子的烷基,R3 是 1 至 12 个碳原子的烷基、环烷基、苯基、苄基、-(CH2)n-吗啉基或-(CH2)nN(R4)2,其中 n 是 1 至 5,R4 是低级烷基;
R2 是氢或 R3;或 R 和 R2 由以下结构式代表的环组成:
其中 n 为 1 至 7;A 为氢、1 至 6 个碳原子的烷基或环烷基;X 为卤素或 A 或 b) H2N-CH-CO2H
其中 R5 是 1 至 6 个碳原子的烷基、苄基、苯乙基、环己基、环戊基;R6、R7 和 R8 是氢或 1 至 4 个碳原子的烷基;n 是 2 至 5 的整数;或
C) 式中的取代基
其中 R9 是氢、1 至 12 个碳原子的烷基、苯基或苯基低级烷基;
G 是选自 L-亮氨酰,L-正亮氨酰和 L-正藜芦酰的氨基酰基残基;
H 是 D-丙氨酰胺、D-亮氨酰胺、甘氨酰胺或-NHR5,其中 R5 是低级烷基、环烷基、氟低级烷基或 NHCONH-R10,其中 R,o 是氢或低级烷基;及其药学上可接受的盐。