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Electrochemiluminescent label for DNA probe assays

  • US 5,597,910 A
  • Filed: 06/07/1995
  • Issued: 01/28/1997
  • Est. Priority Date: 12/11/1991
  • Status: Expired due to Term
First Claim
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1. A compound of the formula:

  • ##STR23## wherein M is selected from the group consisting of Ru, Os and Re;

    u.t=v, u is 1 or 2 and t is 1 or 2;

    L1, L2, and L3 are the same or not all the same and each is ##STR24## wherein R1, R2, R3, R4, R5 and R6 are the same or not all the same and each is H, alkyl of from 1-5 carbon atoms, ##STR25## and at least one of R1, R2, R3, R4, R5 and R6 is either ##STR26## n is an integer in the range from 1-20;

    X is selected from the group consisting of O, S, SO2, COO, and CONH;

    a and b are --N(CH--(CH3)2)2, --NH--CH--(CH3)2, O--(CH2)2 --CN, O--CH3 or morpholino, provided that a and b are not the same; and

    Z is a counterion, provided that said counterion is an anion associated with the synthesis or purification of the compound; and

    further provided that ligands L1, L2 and L3 are selected such that the compound is capable of electrochemiluminescence.

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