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    • 9. 发明公开
    • Immunologically active dipeptidyl 4-0-, 6-0-acyl-2-amino-2-deoxy-D-glucose derivatives and methods for their preparation
    • 4-0,6-0酰基-2-胺-2-脱氧-D-葡萄糖的二肽衍生物具有用于它们的制备的免疫活性和过程。
    • EP0038750A1
    • 1981-10-28
    • EP81400608.6
    • 1981-04-15
    • Merck & Co., Inc.
    • Shen, Tsung-YingDurette, Philippe L.Dorn, Conrad P, Jr.Doherty, James B.Dean, Richard T.
    • C07H15/04A61K31/70
    • C07K9/005
    • Immunologically active compounds of the formula:
      wherein:

      R 1 is C 1-7 alkyl; substituted C 1-7 alkyl; phenyl; or substituted phenyl;
      R 2 is hydrogen; C 1-7 alkyl; substituted C 1-7 alkyl; phenyl; substituted phenyl; phenyl C 1-4 alkyl; or substituted phenyl C 1-4 alkyl;
      R 3 and R 4 may be the same or different and are each independently hydrogen, provided that R 3 and R 4 may not both be hydrogen; or
      where
      X is -O-; -S-; or

      R 10 is hydrogen; C 1-30 alkyl; C 2 - 30 alkenyl; C 1-30 alkoxy; phenyl; C 1-20 alkylsulfonyl; or cholesteryl;
      R 11 , R 12 , R 13 , R 14 and R 15 may be the same or different and are each independently hydrogen; C 1-20 alkyl; C 1-20 alkylcarbonyloxy; amino; benzyl; C 1-20 alkoxymethyl; C 1-20 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 R 10 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 C 1-20 alkylcarbonyl; and where R 3 or R 4 is other than hydrogen, the other of R 3 or R 4 may additionally be Ci-4 alkylcarbonyl;
      R 5 is hydrogen or C 1-10 alkyl;
      R 6 is hydrogen or R 6 and R 7 taken together are -(CH 2 ) 3 -;
      R 7 is hydrogen; C 1-7 alkyl; hydroxymethyl; mercaptomethyl; benzyl; or substituted benzyl;
      Rs and R 9 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 C 1-3 alkyl;
      when R 5 is C 1-10 alkyl, the stereochemistry at asymmetric . center I is D or L;
      when R 7 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.