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HUMAN GLUCAGON-LIKE-PEPTIDE-1 MODULATORS AND THEIR USE IN THE TREATMENT OF DIABETES RELATED CONDITIONS

  • US 20070238669A1
  • Filed: 01/11/2007
  • Published: 10/11/2007
  • Est. Priority Date: 01/11/2006
  • Status: Abandoned Application
First Claim
Patent Images

1. An isolated polypeptide comprising a sequence of Formula I
Xaa1-Xaa2-Xaa3-Xaa4-Xaa5-Xaa6-Xaa7-Xaa8-Xaa9-Xaa10-Xaa11



  • I wherein, Xaa1 is a naturally or non-naturally occurring amino acid comprising an imidazole, such as histidine;

    wherein any of the carbon atoms of said amino acid are optionally substituted with hydrogen, or with one or more alkyl groups, wherein the free amino group of said amino acid is optionally substituted with hydrogen, alkyl, acyl, benzoyl, L-lactyl, alkyloxycarbonyl, aryloxycarbonyl, arylalkyloxycarbonyl, heterocyclyloxycarbonyl, heteroarylalkyloxycarbonyl, alkylcarbamoyl, arylcarbamoyl, arylalkylcarbamoyl, heterocyclylsulfonyl, alkylsulfonyl, arylsulfonyl, arylalkylsulfonyl, heteroarylalkylsulfonyl or heteroarylsulfonyl; and

    wherein the amino group of Xaa1 is optionally absent, such that Xaa1 is the des-amino acid of histidine in which any of the carbon atoms are optionally substituted with hydrogen or one or more alkyl groups;

    Xaa2 is a naturally or non-naturally occurring amino acid selected from the group consisting of D-alanine, α

    -amino-isobutyric acid (Aib), N-methyl-D-alanine, N-ethyl-D-alanine, 2-methyl-azetidine-2-carboxylic acid, alpha-methyl-(L)-proline, 2-methylpiperidine-2-carboxylic acid and isovaline;

    Xaa3 is a naturally or non-naturally occurring amino acid comprising an amino acid side chain which contains a carboxylic acid, for example aspartic acid or glutamic acid;

    or wherein Xaa3 is a naturally or non-naturally occurring amino acid containing an imidazole side chain, for example histidine, and wherein any of the carbon atoms of said amino acid are optionally substituted with one or more alkyl groups;

    Xaa4 is glycine;

    Xaa5 is a naturally or non-naturally occurring amino acid selected from the group consisting of (L)-threonine, and (L)-norvaline; and

    wherein any of the carbon atoms of said amino acid are optionally substituted with one or more alkyl groups;

    Xaa6 is a naturally or non-naturally occurring amino acid comprising an alpha carbon which is di-substituted;

    wherein one of the side chains of said amino acid contains an aromatic ring, for example alpha-methyl-phenylalanine, alpha-methyl-2-fluorophenylalanine, and alpha-methyl-2,6-difluorophenylalanine;

    wherein any of the carbon atoms of said amino acid are optionally substituted with one or more alkyl groups or one or more halo groups;

    Xaa7 is a naturally or non-naturally occurring amino acid comprising an amino acid side chain which is substituted with a hydroxyl group, for example L-threonine;

    wherein any of the carbon atoms of said amino acid are optionally substituted with one or more alkyl groups;

    Xaa8 is a naturally or non-naturally occurring amino acid selected from the group consisting of L-serine, and L-histidine;

    wherein one or more of the carbon atoms of said amino acid is optionally substituted with one or more alkyl groups;

    Xaa9 is a naturally or non-naturally occurring amino acid comprising an amino acid side chain which contains a carboxylic acid, for example L-aspartic acid or L-glutamic acid;

    wherein one or more of the carbon atoms of said amino acid is optionally substituted with one or more alkyl groups;

    Xaa10 is a naturally or non-naturally occurring amino acid of Formula II;

    embedded imagewherein R1 is selected from the group consisting of hydrogen, alkyl, and halo; and

    R2 and R3 are each independently selected from the group consisting of hydrogen, halo, methyl, ethyl, alkyl, hydroxyl, methoxy, and alkoxy;

    Xaa11 is a naturally or non-naturally occurring amino acid of any of Formulae III, IV, V, or VI, wherein;

    Formula III is;

    embedded imagewherein the C-terminal carbonyl carbon of said amino acid is attached to a nitrogen to form a carboxamide (NH2);

    wherein ring A is selected from the group consisting of aryl and heteroaryl;

    wherein R4 and R5 are each independently selected from the group consisting of hydrogen, halo, methyl, ethyl, alkyl, hydroxyl, methoxy, alkoxy, aryl, heteroaryl; and

    wherein X1 and X2 are each CH-alkyl, CH2, NH, S or O; and

    Formula III may further comprise at least one R4 or R5 groups, and, if more than one are present, may or may not be equivalent;

    Formula IV is;

    embedded imagewherein the C-terminal carbonyl carbon of said amino acid is attached to a nitrogen to form a carboxamide (NH2);

    wherein R4 is selected from the group consisting of hydrogen, hydroxyl, methyl, ethyl, alkyl, methoxy, alkoxy, aryl, heteroaryl;

    wherein R5 is selected from the group consisting of hydrogen, methyl, ethyl, alkyl, cycloalkyl, aryl, heteroaryl, alkylaryl, or heteroalkylaryl;

    wherein X is selected from the group consisting of CH2, CH2CH2, or CHCH3;

    wherein Y1 is selected from the group consisting of —

    NH—

    , —

    O—

    , and —

    C═

    O—

    ;

    wherein Y2 is selected from the group consisting of —

    C═

    O—

    , —

    O═

    C—

    O— and



    SO2

    when Y1 is NH or O;

    wherein Y2 is selected from the group consisting of —

    NH—

    , —

    N—

    , or —

    O—

    when Y1 is C═

    O; and

    wherein R6 is selected from the group consisting of hydrogen, methyl, ethyl, alkyl, cycloalkyl, aryl, heteroaryl, alkylaryl, or alkylheteroaryl; and

    Formula IV further comprises at least one R6 group and, if more than one are present, may or may not, be equivalent;

    Formula V is;

    embedded imagewherein the C-terminal carbonyl carbon of said amino acid is attached to a nitrogen to form a carboxamide (NH2);

    wherein R4 is selected from the group consisting of hydrogen, hydroxyl, methyl, ethyl, alkyl, methoxy, alkoxy, aryl, heteroaryl;

    wherein R5 is selected from the group consisting of hydrogen, methyl, ethyl, alkyl, cycloalkyl, aryl, heteroaryl, alkylaryl, or heteroalkylaryl;

    wherein X1 is either absent or consists of CH2;

    wherein X2 is selected from the group consisting of —

    CO—

    , CO—

    N(−

    )2, —

    CO—

    O—

    , —

    SO—

    , and —

    SO2

    ;

    wherein R6 and R7 are independently selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl, alkylaryl, or alkylheteroaryl; and

    Formula V comprises at least one R7 group, and, if more than one are present, may or may not be equivalent. Formula VI is;

    embedded imagewherein the C-terminal carbonyl carbon of said amino acid is attached to a nitrogen to form a carboxamide (NH2);

    wherein R4 is selected from the group consisting of hydrogen, methyl, ethyl, alkyl, cycloalkyl, aryl, heteroaryl, alkylaryl, or heteroalkylaryl;

    wherein R5 is selected from the group consisting of hydrogen, hydroxyl, methyl, ethyl, alkyl, methoxy, and alkoxy;

    wherein R6 is selected from the group consisting of hydrogen, methyl, ethyl, alkyl, cycloalkyl, heterocycloalkyl, hydroxyl, methoxy, and alkoxy; and

    Formula VI may further comprise at least one R6 group, and, if more than one are present, may or may not be equivalent and may further comprise R5 and R6 groups which together form a cycloalkyl, heterocycloalkyl, cycloalkylaryl, or cycloalkylheteroaryl group.

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