C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 9/96 (2006.01) C07C 229/14 (2006.01) C07C 229/38 (2006.01) C07D 493/10 (2006.01) C07K 2/00 (2006.01) C07K 14/47 (2006.01) C07K 14/765 (2006.01) C07K 16/44 (2006.01) C09B 57/00 (2006.01) G01N 33/53 (2006.01) G01N 33/532 (2006.01) G01N 33/94 (2006.01)
Patent
CA 2175862
The invention provides hapten derivatives of formula Image I wherein R1 is a saturated or unsaturated straight or branched hydrocarbon of 1-15 carbon atoms when R2 is COR3 or NHR3, or 2-15 carbon atoms when R2 is SR3 or OR3, and R3 is a group X or LX wherein X is a labeling or immunogenic carrier group and L is a linker arm through which X is bound, that are useful for the preparation of antigenic, antibody and label reagents having superior performance characteristics for use in immunoassays for the detection of d-propoxyphene and d-nor-propoxyphene.
F. Hoffmann-La Roche Ag
Gowling Lafleur Henderson Llp
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