The present invention is directed to modulators of indoleamine 2,3-dioxygenase (IDO), as well as compositions and pharmaceutical methods thereof.

Provided in the present application are a sulfonyl amidine as represented by formula (I) as an indoleamine-2,3-dioxygenase inhibitor, and a preparation method therefor and the use thereof. The compound of formula (I) in the present application can be used as an indoleamine-2,3-dioxygenase inhibitor in the preparation of a drug for preventing and/or treating indoleamine-2,3-dioxygenase-mediated diseases. ##STR00001##

The present invention relates to a modulator of 1,2,5-oxadiazole indoleamine-(2,3)-dioxygenase, a preparation method and use thereof, more particularly to compounds of Formula I and Formula II, an isomer thereof, a pharmaceutically acceptable salt or a pharmaceutically acceptable solvate thereof, and their use in preparing drugs for treating cancers, neurodegenerative diseases, eye diseases, mental disorders, depression, anxiety disorders, Alzheimer's diseases and/or autoimmune diseases. Specific meanings of R substituents in Formula I and Formula II are consistent with the description of the specification. ##STR00001##

The present invention relates to a modulator of 1,2,5-oxadiazole indoleamine-(2,3)-dioxygenase, a preparation method and use thereof, more particularly to compounds of Formula I and Formula II, an isomer thereof, a pharmaceutically acceptable salt or a pharmaceutically acceptable solvate thereof, and their use in preparing drugs for treating cancers, neurodegenerative diseases, eye diseases, mental disorders, depression, anxiety disorders, Alzheimer's diseases and/or autoimmune diseases. Specific meanings of R substituents in Formula I and Formula II are consistent with the description of the specification. ##STR00001##

Disclosed herein are small molecule calpain modulator compositions, pharmaceutical compositions, the use and preparation thereof.

Provided are certain IDO inhibitors or pharmaceutically acceptable salts thereof which can inhibit enzymatic activity of indoleamine 2,3-dioxygenase (IDO) and may be useful for the treatment of diseases and disorders mediated by IDO. In addition, pharmaceutical compositions thereof and methods of use thereof are also provided.

Provided are certain IDO inhibitors or pharmaceutically acceptable salts thereof which can inhibit enzymatic activity of indoleamine 2,3-dioxygenase (IDO) and may be useful for the treatment of diseases and disorders mediated by IDO. In addition, pharmaceutical compositions thereof and methods of use thereof are also provided.

A novel indoleamine 2,3-dioxygenase inhibitor and/or its pharmaceutically acceptable salts can used, in the preparation of a drug for indoleamine 2,3-dioxygenase (IDO) related diseases, such as cancer, Alzheimer's, depression, cataract, etc.

A novel indoleamine 2,3-dioxygenase inhibitor and/or its pharmaceutically acceptable salts can used, in the preparation of a drug for indoleamine 2,3-dioxygenase (IDO) related diseases, such as cancer, Alzheimer's, depression, cataract, etc.

Isophthalamides of the general formula (I) are described as herbicides.

##STR00001##

In this formula (I), Z.sup.1 and Z.sup.2 represent radicals such as alkyl, cycloalkyl and phenyl. W.sup.1 and W.sup.2 represent radicals such as hydrogen, alkyl, cycloalkyl and halogen. Q represents a heterocyclic ring such as tetrazolyl.