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Crosslinked gels comprising polyalkyleneimines, and their uses as medical devices

  • US 20070196454A1
  • Filed: 01/11/2007
  • Published: 08/23/2007
  • Est. Priority Date: 01/11/2006
  • Status: Active Grant
First Claim
Patent Images

1. A method of sealing a wound of a patient, comprising the steps of:

  • exposing an effective amount of a polymerization agent to a compound of formula III to form an adhesive composition, and applying said adhesive composition to a wound of a patient, wherein said polymerization agent is a compound of formula Ia or formula Ib; and

    formula Ia is represented by;

    embedded imagewherein, R50 independently for each occurrence is an electron pair or a substitutent selected from the group consisting of H, alkyl, and aralkyl;

    when an instance of R50 represents a substitutent a pharmaceutically acceptable counterion is present;

    R1 and R2 represent independently for each occurrence A1, alkyl, alkenyl, alkynyl, —

    C(O)-alkyl, —

    C(O)O[C(R4)2]dN(R5)2, —

    C(O)N(R5) [C(R4)2]dN(R5)2, —

    C(O)N(R5)2, —

    X1

    [C(R4)2]dN(R5)C(O)N(R5)2, —

    X1

    [C(R4)2]dN(R5)C(O)N(R5)2, —

    X1

    [C(R4)2]dOC(O)CH2C(O)-alkyl, embedded imageor a carbohydrate radical;

    R3 represents independently for each occurrence H or embedded imageR4 represents independently for each occurrence H, alkyl, alkoxyl, halogen, aryl, or aralkyl;

    R5 represents independently for each occurrence H, alkyl, aryl, or aralkyl;

    R6 represents independently for each occurrence H or embedded imageR7 represents independently for each occurrence H or embedded imageR8 represents independently for each occurrence H or embedded imageR9 represents independently for each occurrence H or embedded imageR10 represents independently for each occurrence H or (C1-C3)alkyl;

    X1 represents independently for each occurrence a bond or —

    C(O)—

    ;

    A1 represents independently for each occurrence H, —

    C(O)NH2, —

    X1

    [C(R4)2]dN(R5)C(O)NH2, embedded imaged represents independently for each occurrence 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10;

    n represents independently for each occurrence 1, 2, 3, or 4;

    p represents independently for each occurrence 1, 2, 3, 4, or 5;

    x represents independently for each occurrence 1, 2, 3, 4, or 5;

    y is an integer in the range of 1 to about 40,000;

    z represents independently for each occurrence an integer in the range of 0 to about 20,000; and

    provided at least about 5% of R1 is A1, and the sum of y and z is less than about 50,000;

    formula Ib is represented by;

    embedded imagewherein Q represents independently for each occurrence embedded imageR50 independently for each occurrence is an electron pair or a substitutent selected from the group consisting of H, alkyl, and aralkyl;

    when an instance of R50 represents a substitutent a pharmaceutically acceptable counterion is present;

    A1 represents independently for each occurrence —

    CO2R4;

    A2 represents independently for each occurrence H or —

    CO2R4;

    A3 represents independently for each occurrence —

    N(R1)(R50)(R3);

    A4 represents independently for each occurrence H, alkyl, aryl, —

    CO2R4, or —

    OC(O)R4;

    R1 represents independently for each occurrence H, alkyl or polymerization initiator;

    R2 represents independently for each occurrence H, alkyl aryl, or aralkyl;

    R3 represents independently for each occurrence H, alkyl, aryl, aralkyl, acyl, —

    C(O)NH2, —

    X1

    [C(R5)2]dN(R5)C(O)NH2, embedded imageR4 represents independently for each occurrence H, alkyl, aryl, aralkyl, embedded imageR5 represents independently for each occurrence H or alkyl;

    X1 represents independently for each occurrence a bond or —

    C(O)—

    ;

    d represents independently for each occurrence 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10;

    p represents independently for each occurrence 1, 2, 3, 4, or 5; and

    q is an integer from about 50 to about 100,000; and

    formula III is represented by;

    embedded imagewherein R1-III represents independently for each occurrence —

    (C(R2-III)2)fC(O)R3-III, —

    C(O)(C(R2-III)2)kC(O)R3-III, —

    (C(R2-III)2)fR4-III, —

    C(O)(C(R2-III)2)kR4-III, —

    (C(R2-III)2)fC(O)N(R5-III)-[A4-III]t

    C(O)—

    R3-III, —

    (C(R2-III)2)fCO2-[A4-III]t

    C(O)—

    R3-III, embedded imageR2-III represents independently for each occurrence H, alkyl, or halogen;

    R3-III represents independently for each occurrence H, alkyl, fluoroalkyl, chloroalkyl, —

    CH2NO2, embedded imageR4-III represents independently for each occurrence —

    N═

    C═

    O, —

    N═

    C═

    S, embedded imageR5-III represents independently for each occurrence H, alkyl, or aralkyl;

    R6-III represents independently for each occurrence H or (C1-C6)alkyl;

    R7-III represents independently for each occurrence —

    CO2H, —

    (C(R6-III)2)pN═

    C═

    O, embedded imageR8-III represents independently for each occurrence embedded imageA1-III and A3-III represent independently for each occurrence alkyl diradical, heteroalkyl diradical, cycloalkyl diradical, heterocycloalkyl diradical, alkenyl diradical, alkynyl diradical, aryl diradical, heteroaryl diradical, aralkyl diradical, or heteroaralkyl diradical;

    A2-III represents independently for each occurrence a bond, alkyl diradical, heteroalkyl diradical, cycloalkyl diradical, heterocycloalkyl diradical, alkenyl diradical, alkynyl diradical, aryl diradical, heteroaryl diradical, aralkyl diradical, or heteroaralkyl diradical;

    A4-III represents independently for each occurrence an alkyl diradical, cycloalkyl diradical, aryl diradical, or aralkyl diradical;

    B represents independently for each occurrence alkyl diradical, heteroalkyl diradical, or embedded imageX1-III represents independently for each occurrence O or —

    N(R5-III)—

    ;

    m represents independently for each occurrence 1, 2, 3, 4, or 5 in accordance with the rules of valence;

    p represents independently for each occurrence 0, 1, 2, 3, 4, or 5;

    t represents independently for each occurrence 1, 2, 3 or 4;

    v represents independently for each occurrence 2, 3, or 4;

    w is independently for each occurrence an integer in the range of about 5 to 1000, inclusive; and

    f and k each are independently selected for each occurrence from the group consisting of 1-25 inclusive.

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