C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
C07H 15/252 (2006.01) A61K 47/48 (2006.01) C07D 519/04 (2006.01) C07H 15/26 (2006.01) C07H 19/04 (2006.01) C07K 14/47 (2006.01) C07K 16/00 (2006.01)
Patent
CA 2087286
Provided are drug/ligand compounds of Formula (I): (see formula one) in which D is a drug moiety; n is an integer from 1 to 10; p is an integer from 1 to 6; Y is O or NH2+Cl-; z is 0 or 1; q is about 1 to about 10; X is a ligand; and, A is a Michael Addition Adduct. In a preferred embodiment, the ligand is an immunoglobulin, preferably a chimeric antibody or fragment thereof. Also provided are formulations comprising as an active ingredient a compound of Formula (I), intermediates useful for preparing the compounds of Formula (I), processes for preparing the compounds of Formula (I), and methods for using the compounds of the invention.
Braslawsky Gary R.
Greenfield Robert S.
Hofstead Sandra J.
King H. Dalton
Trail Pamela A.
Bristol-Myers Squibb Company
Cassan Maclean
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