C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
C07K 16/00 (2006.01) A61K 47/48 (2006.01) C07C 235/74 (2006.01) C07C 323/41 (2006.01) C07D 239/553 (2006.01) C07D 475/08 (2006.01) C07D 487/14 (2006.01) C07D 519/04 (2006.01) C07H 15/252 (2006.01)
Patent
CA 2119733
Abstract Immunoconjugates of antibodies or antigen- recognizing fragments of antibodies and monovalent cytotoxic drug derivatives make use of .beta.-alanine derived linkers wherein the antibody or fragment thereof is attached to the linker's carboxy group via an ester or amide group and the drug is attached through the linker's 2-position methylene group. Intermediates, compositions and methods of use also are provided.
Barton Russell L.
Guttman-Carlisle Deborah L.
Koppel Gary A.
Eli Lilly And Company
Gowling Lafleur Henderson Llp
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