Hydroxamic acids having the formula
1
are useful in treating disease conditions mediated by TNF-&agr;, such as rheumatoid arthritis, osteoarthritis, sepsis, AIDS, ulcerative colitis, multiple sclerosis, Crohn's disease and degenerative cartilage loss.
Hydroxamic acids having formula (B) wherein the variables are as defined herein, are useful in treating disease conditions mediated by TNF-α such as rheumatoid arthritis, osteoarthritis, sepsis, AIDS, ulcerative colitis, multiple sclerosis, Crohn's disease and degenerative cartilage loss.