The present invention relates to inhibitors of histone deacetylases, in particular HDAC8, that are useful for the treatment of cancer and other diseases and disorders, as well as the synthesis and applications of said inhibitors.

The present invention relates to inhibitors of histone deacetylases, in particular HDAC8, that are useful for the treatment of cancer and other diseases and disorders, as well as the synthesis and applications of said inhibitors.

Disclosed are compounds of formulae (I), (II), and (II)I: and pharmaceutically acceptable salts thereof, wherein the variables, R, R.sub.1, R.sub.2, R.sub.3, R.sub.101, L, D, Q, Y, X, and Z are defined herein. These compounds are useful for treating Gram-negative bacteria infections. ##STR00001##

Disclosed are compounds of formulae (I), (II), and (II)I: and pharmaceutically acceptable salts thereof, wherein the variables, R, R.sub.1, R.sub.2, R.sub.3, R.sub.101, L, D, Q, Y, X, and Z are defined herein. These compounds are useful for treating Gram-negative bacteria infections. ##STR00001##

The present disclosure is related to the field of enzyme inhibitors, and in particular to a hydroxamic acid derivative, a method for producing the same and use thereof. The hydroxamic acid group of the hydroxamic acid derivative can be chelated with zinc ions in the LpxC active area, and the derivative has a hydrophobic side chain which can bind to hydrophic channels in the enzyme LpxC. These guarantee that the hydroxamic acid derivative has good bactericidal activity against Gram-negative bacteria and low toxicity. The present disclosure also provides a method for producing the hydroxamic acid derivative, which requires a shorter reaction time and can provide the derivative with a high yield.

The present disclosure is related to the field of enzyme inhibitors, and in particular to a hydroxamic acid derivative, a method for producing the same and use thereof. The hydroxamic acid group of the hydroxamic acid derivative can be chelated with zinc ions in the LpxC active area, and the derivative has a hydrophobic side chain which can bind to hydrophic channels in the enzyme LpxC. These guarantee that the hydroxamic acid derivative has good bactericidal activity against Gram-negative bacteria and low toxicity. The present disclosure also provides a method for producing the hydroxamic acid derivative, which requires a shorter reaction time and can provide the derivative with a high yield.

Provided herein are deuterated compounds and compositions useful in increasing PPARδ activity. The compounds and compositions provided herein are useful for the treatment of PPARδ related diseases (e.g., muscular diseases, vascular disease, demyelinating disease, and metabolic diseases).

Compounds of formula (I) inhibit HDAC activity: ##STR00001##
wherein A, B and D independently represent ═C— or ═N—; W is a divalent radical —CH═CH— or CH.sub.2CH.sub.2—; R.sub.1 is an ester group; R.sub.2 is the side chain of a natural or non-natural alpha-amino acid; z is 0 or 1; and Y, L.sup.1, and X.sup.1 are as defined in the claims.

Compounds of formula (I) inhibit HDAC activity: ##STR00001##
wherein A, B and D independently represent ═C— or ═N—; W is a divalent radical —CH═CH— or CH.sub.2CH.sub.2—; R.sub.1 is an ester group; R.sub.2 is the side chain of a natural or non-natural alpha-amino acid; z is 0 or 1; and Y, L.sup.1, and X.sup.1 are as defined in the claims.

In recognition of the need to develop novel therapeutic agents, the present invention provides novel histone deacetylase inhibitors. These compounds include an ester bond making them sensitive to deactivation by esterases. Therefore, these compounds are particularly useful in the treatment of skin disorders. When the compounds reaches the bloodstream, an esterase or an enzyme with esterase activity cleaves the compound into biologically inactive fragments or fragments with greatly reduced activity Ideally these degradation products exhibit a short serum and/or systemic half-life and are eliminated rapidly. These compounds and pharmaceutical compositions thereof are particularly useful in treating cutaneous T-cell lymphoma, neurofibromatosis, psoriasis, hair loss, skin pigmentation, and dermatitis, for example. The present invention also provides methods for preparing compounds of the invention and intermediates thereto.