Saccharin derivative proteolytic enzyme inhibitors

Details Saccharin derivative proteolytic enzyme inhibitors Saccharin derivative proteolytic enzyme inhibitors

C - Chemistry, Metallurgy

07

D

C07D 417/00 (2006.01) A61K 31/425 (2006.01) A61K 31/44 (2006.01) A61K 31/495 (2006.01) A61K 31/535 (2006.01) A61K 31/675 (2006.01) A61K 38/55 (2006.01) C07D 275/06 (2006.01) C07D 417/12 (2006.01) C07D 513/04 (2006.01) C07F 9/6541 (2006.01) C07K 5/06 (2006.01) C07K 14/81 (2006.01)

Patent

CA 2082774

D.N. 7464E/55381 ABSTRACT OF THE DISCLOSURE Compounds having the structural formula Image Formula I wherein L is N, O or SOn wherein n is 0, 1 or 2; L-R1 is a leaving group, H-L-R1 is the conjugate acid thereof and, when L is N, H-L-R1 has a pKa value less than or equal to 6, when L is O, H-L-R1 has a pKa value less than or equal to to 8, and when L is SOn, H-L-R1 has a pKa value less than or equal to 5; R2 is primary or secondary alkyl of two to four carbon atoms, primary alkylamino of one to three carbon atoms, primary alkylmethylamino of two to four carbon atoms, diethylamino or primary alkoxy of one to three carbon atoms; and R3 is from one to three of a variety of substituents at any or all of the 5-, 6- and 7- positions; or a pharmaceutically acceptable acid addition salt thereof if the compound has a basic functional group or a pharmaceutically acceptable base addition salt thereof if the compound has an acidic functional group, which inhibit the enzymatic activity of proteolytic enzymes, and processes for preparation thereof, method of use thereof in treatment of degenerative diseases and pharmaceutical compositions thereof are disclosed.

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