×

Hydrazine-based and carbonyl-based bifunctional crosslinking reagents

  • US 20040110730A1
  • Filed: 11/24/2003
  • Published: 06/10/2004
  • Est. Priority Date: 03/22/2000
  • Status: Active Grant
First Claim
Patent Images

1. A compound of formula I:

  • B—

    R—

    A—

    NHNH2.HX 



    Ior a derivative thereof, wherein;

    A is —

    NH(C═

    O)—

    , —

    NH(C═

    S)—

    , —

    NHNH(C═

    O)—

    , —

    NHNH(C═

    S)—

    , or a direct bond to R;

    B is an amino or thiol reactive moiety;

    R is an aliphatic divalent group having any combination of the following groups, which are combined in any order;

    cycloalkylene, C(R10)2, —

    C(R10)═

    C(R10)—

    , >

    C═

    C(R12)(R13), >

    C(R12)(R13), —

    C≡

    C—

    , O, S(G)a, P(J)b(R10), P(J)b(LR10), N(R10), >

    N+(R12)(R13) and C(L);

    where a is 0, 1 or 2;

    b is 0, 1, 2 or 3;

    G is O or NR10;

    J is S or O; and

    L is S, O or NR10;

    each R10 is a monovalent group independently selected from hydrogen and M1-R14;

    each M1 is a divalent group independently having any combination of the following groups, which groups are combined in any order;

    a direct link, arylene, heteroarylene, cycloalkylene, C(R15)2, —

    C(R15)═

    C(R15)—

    , >

    C═

    C(R12)(R13), >

    C(R12)(R13), —

    C≡

    C—

    , O, S(G1)a, P(J)b(R15), P(J)b(LR15), N(R15), N(COR15), >

    N+(R12)(R13) and C(L);

    where a is 0, 1 or 2;

    b is 0, 1, 2 or 3;

    G1 is O or NR15;

    J is S or O; and

    L is S, O or NR15;

    R14 and R15 are each independently selected from the group among hydrogen, halo, pseudohalo, cyano, azido, nitro, SiR16R17R18, alkyl, alkenyl, alkynyl, haloalkyl, haloalkoxy, aryl, aralkyl, aralkenyl, aralkynyl, heteroaryl, heteroaralkyl, heteroaralkenyl, heteroaralkynyl, heterocyclyl, heterocyclylalkyl, heterocyclylalkenyl, heterocyclylalkynyl, hydroxy, alkoxy, aryloxy, aralkoxy, heteroaralkoxy and NR19R20;

    R19 and R20 are each independently selected from hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, aralkyl, heteroaryl, heteroaralkyl and heterocyclyl;

    R12 and R13 are selected from (i) or (ii) as follows;

    (i) R12 and R13 are independently selected from among hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl and heteroaryl;

    or (ii) R12 and R13 together form alkylen, alkenylene or cycloalkylene;

    R16, R17 and R18 are each independently a monovalent group sel cted from hydrogen, alkyl, alk nyl, alkynyl, haloalkyl, haloalkoxy, aryl, aralkyl, aralkenyl, aralkynyl, heteroaryl, heteroaralkyl, heteroaralkenyl, heteroaralkynyl, heterocyclyl, heterocyclylalkyl, heterocyclylalkenyl, heterocyclylalkynyl, hydroxy, alkoxy, aryloxy, aralkoxy, heteroaralkoxy and NR19R20; and

    R11, R12, R13, R14, R15, R16, R17, R18, R19 and R20 can be substituted with one or more substituents each independently selected from Z, wherein Z is selected from alkyl, alkenyl, alkynyl, aryl, cycloalkyl, cycloalkenyl, hydroxy, S(O)hR30, NR30R31, COOR30, COR30, CONR30R31, OC(O)NR30R31, N(R30)C(O)R31, alkoxy, aryloxy, heteroaryl, heterocyclyl, heteroaryloxy, heterocyclyloxy, aralkyl, aralkenyl, aralkynyl, heteroaralkyl, heteroaralkenyl, heteroaralkynyl, aralkoxy, heteroaralkoxy, alkoxycarbonyl, carbamoyl, thiocarbamoyl, alkoxycarbonyl, carboxyaryl, halo, pseudohalo, haloalkyl and carboxamido;

    h is 0, 1 or 2; and

    R30 and R31 are each independently selected from among hydrogen, halo, pseudohalo, cyano, azido, nitro, trialkylsilyl, dialkylarylsilyl, alkyldiarylsilyl, triarylsilyl, alkyl, alkenyl, alkynyl, haloalkyl, haloalkoxy, aryl, aralkyl, aralkenyl, aralkynyl, heteroaryl, heteroaralkyl, heteroaralkenyl, heteroaralkynyl, heterocyclyl, heterocyclylalkyl, heterocyclylalkenyl, heterocyclylalkynyl, hydroxy, alkoxy, aryloxy, aralkoxy, heteroaralkoxy, amino, amido, alkylamino, dialkylamino, alkylarylamino, diarylamino and arylamino; and

    X is a negative counterion.

View all claims
  • 17 Assignments
Timeline View
Assignment View
    ×
    ×