C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 317/44 (2006.01) A61K 31/215 (2006.01) A61K 31/395 (2006.01) C07C 45/46 (2006.01) C07C 69/017 (2006.01) C07C 69/612 (2006.01) C07C 205/43 (2006.01) C07C 205/56 (2006.01) C07C 309/42 (2006.01) C07C 317/22 (2006.01) C07C 323/20 (2006.01) C07C 323/52 (2006.01) C07C 323/62 (2006.01) C07D 295/155 (2006.01) C07D 521/00 (2006.01)
Patent
CA 2042904
ABSTRACT This invention relates to 2-phenylalkanoate esters of the formula: Image and non-toxic pharmaceutically acceptable salts thereof, wherein R1 and R2, which may be the same or different, are selected from the group consisting of hydrogen, alkyl of 1 to 6 carbons, cycloalkyl of 3 to 6 carbons or together represent a methylene group -(CH2)n- where n is a whole number of from 1 to 6; and R3 and R4 are variously defined. The esters are useful as inhibitors of human leukocyte elastase and may be used in the treatment of acute respiratory syndrome, myocardial infarc- tion or periodontal disease.
Cheronis John C.
Kirschenheuter Gary P.
Spruce Lyle W.
Cortech Inc.
Osler Hoskin & Harcourt Llp
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