Abstract: Hydroxamic acid derivatives of the formula (I) 1

Abstract: Hydroxamic acid derivatives of the formula (I) (wherein all the symbols have the same meaning as defined in the specification.), non-toxic salt thereof or prodrugs thereof. The compounds of the formula (I) inhibit producing IL-6, so it may be used for the prevention and/or treatment of various inflammatory diseases, sepsis, multiple myeloma, plasma cell leukemia, osteoporosis, cachexia, psoriasis, nephritis, renal cell carcinoma, Kaposi's sarcoma, rheumatoid arthritis, hypergammaglobulinemia, Castleman's disease, atrial myxoma, diabetes mellitus, autoimmune diseases, hepatitis, colitis, graft versus host disease, infectious diseases and endometriosis.

Abstract: The present invention is related to: (i) matrix metalloproteinase inhibitors containing sulfonylamino acid derivatives of the formula (Ia);  wherein R1 is hydrogen, C1-4 alkyl; R2 is hydrogen, C1-8 alkyl etc.; E is —CONR3—, in which R3 is hydrogen, C1-4 alkyl etc., —NR3CO—, —CO—O—, —O—CO— etc.; A is hydrogen, C1-8 alkyl, C3-7 cycloalkyl, or Ar; J is bond, C2-4 alkylene etc.; G is — (CH2)m—, in which m is 2, 3 or 4, or in which R6 and R7 is hydrogen, C1-8 alkyl etc.; and non-toxic salts thereof, (ii) sulfonylamino acid derivatives of the formula (Ib): wherein all the symbols are the same meaning as (i); and non-toxic salts thereof, and (iii) process for the preparation of the compound of the formula (Ib). The compounds of the formula (Ia) are useful for prevention and/or treatment of diseases induced by overexpression and excess activity of MMP.

Abstract: The present invention is related to: (i) matrix metalloproteinase inhibitors containing sulfonylamino acid derivatives of the formula (Ia): wherein R1 is hydrogen, C1-4 alkyl; R is hydrogen, C1-8 alkyl etc.; E is —CONR3—, in which R3 is hydrogen, C1-4 alkyl etc., —NR3CO—, —CO—O—, —O—CO— etc.; A is hydrogen, C1-8 alkyl, C3-7 cycloalkyl, or Ar; J is bond, C2-4 alkylene etc.; G is —(CH2)m— in which m is 2, 3 or 4, or in which R6 and R7 is hydrogen, C1-8 alkyl etc.; and non-toxic salts thereof, (ii) novel sulfonylamino acid derivatives of the formula (Ib): wherein all the symbols are the same meaning as (i); and non-toxic salts thereof, and (iii) process for the preparation of the compound of the formula (Ib). The compounds of the formula (Ia) are useful for prevention and/or treatment of diseases induced by overexpression and excess activity of MMP.

Abstract: The present invention relates to:(i) hydroxamic acid derivative of the formula (I): ##STR1## wherein R.sup.1 is hydrogen, or C1-4 alkyl; R.sup.2 is hydrogen, C1-8 alkyl, phenyl, C1-4 alkyl substituted by phenyl; E is --CONR.sup.3 --, in which R.sup.3 is hydrogen, C1-4 alkyl, etc., --NR.sup.3 CO--, --CO--O--, --O--CO--etc.; A is hydrogen, C1-8 alkyl, C3-7 cycloalkyl, or Ar; J is bond, C2-4 alkylene etc.; G is --(CH.sub.2).sub.m --, in which m is 2, 3 or 4, or ##STR2## in which R.sup.6 and R.sup.7 is hydrogen, C1-8 alkyl etc.; and non-toxic salts thereof,ii) processes for the preparation thereof, andiii) pharmaceutical agents containing them.