Immunologically active dipeptidyl 4-0-, 6-0-acyl-2-amino-2-deoxy-D-glucose derivatives and methods for their preparation
申请人:Merck & Co., Inc.
公开号:EP0038750A1
公开(公告)日:1981-10-28
Immunologically active compounds of the formula:
wherein:
R1 is C1-7 alkyl; substituted C1-7 alkyl; phenyl; or substituted phenyl;
R2 is hydrogen; C1-7 alkyl; substituted C1-7 alkyl; phenyl; substituted phenyl; phenyl C1-4 alkyl; or substituted phenyl C1-4 alkyl;
R3 and R4 may be the same or different and are each independently hydrogen, provided that R3 and R4 may not both be hydrogen; or
where
X is -O-; -S-; or
R10 is hydrogen; C1-30 alkyl; C2-30 alkenyl; C1-30 alkoxy; phenyl; C1-20 alkylsulfonyl; or cholesteryl;
R11, R12, R13, R14 and R15 may be the same or different and are each independently hydrogen; C1-20 alkyl; C1-20 alkylcarbonyloxy; amino; benzyl; C1-20 alkoxymethyl; C1-20 alkylamido; or
r is 0 or 1; s is 0 or 1; and t is 0 to 20; provided that s may only be 0 when both rand tare greater than 0 or when r is 0 and R10 is amino; phenyl; substituted phenyl; 1-adamantyl; or heterocycle selected from the group consisting of 2- or 3-furyl, 2- or 3- thienyl, 2- or 3- pyrrolidinyl, 2-, 3- or 4- pyridyl, and 1-tetrazolyl, said heterocycle optionally substituted with C1-20 alkylcarbonyl; and where R3 or R4 is other than hydrogen, the other of R3 or R4 may additionally be Ci-4 alkylcarbonyl;
R5 is hydrogen or C1-10 alkyl;
R6 is hydrogen or R6 and R7 taken together are -(CH2)3-;
R7 is hydrogen; C1-7 alkyl; hydroxymethyl; mercaptomethyl; benzyl; or substituted benzyl;
Rs and R9 may be the same or different and are each independently COOR, or CONR'R", where R is hydrogen or Ci-7 alkyl, and R' and R" are hydrogen or C1-3 alkyl;
when R5 is C1-10 alkyl, the stereochemistry at asymmetric . center I is D or L;
when R7 is other than hydrogen, the stereochemistry at asymmetric centre II is L; and
the stereochemistry at asymmetric center III is D; and acid addition and quaternary salts thereof.
式中的免疫活性化合物:
其中
R1 是 C1-7 烷基;取代的 C1-7 烷基;苯基;或取代的苯基;
R2 是氢;C1-7 烷基;取代的 C1-7 烷基;苯基;取代的苯基;苯基 C1-4 烷基;或取代的苯基 C1-4 烷基;
R3 和 R4 可以相同或不同,且各自独立为氢,但 R3 和 R4 不能都是氢;或
其中
X 是-O-;-S-;或
R10 是氢;C1-30 烷基;C2-30 烯基;C1-30 烷氧基;苯基;C1-20 烷基磺酰基;或胆固醇基;
R11、R12、R13、R14 和 R15 可以相同或不同,各自独立地为氢;C1-20 烷基;C1-20 烷基羰氧基;氨基;苄基;C1-20 烷氧基甲基;C1-20 烷基氨基;或
r 为 0 或 1;s 为 0 或 1;t 为 0 至 20;但只有当 r 和 t 均大于 0 或 r 为 0 且 R10 为氨基;苯基;取代苯基;1-金刚烷基时,s 才可能为 0;或选自 2-或 3-呋喃基、2-或 3-噻吩基、2-或 3-吡咯烷基、2-、3-或 4-吡啶基和 1-四唑基的杂环,所述杂环任选被 C1-20 烷基羰基取代;当 R3 或 R4 不是氢时,R3 或 R4 中的另一个可另外为 Ci-4 烷基羰基;
R5 是氢或 C1-10 烷基;
R6 是氢或 R6 和 R7 合起来是-(CH2)3-;
R7 是氢;C1-7 烷基;羟甲基;巯甲基;苄基;或取代的苄基;
Rs 和 R9 可以相同或不同,各自独立地为 COOR 或 CONR'R",其中 R 是氢或 Ci-7 烷基,R'和 R" 是氢或 C1-3 烷基;
当 R5 为 C1-10 烷基时,不对称中心 I 的立体化学结构为 D 或 L;
当 R7 不是氢时,不对称中心 II 的立体化学结构为 L;以及
不对称中心 III 的立体化学结构为 D;以及它们的酸加成盐和季盐。