The present disclosure relates to compounds, compositions and methods for the treatment of hepatitis C virus (HCV) infection. Also disclosed are pharmaceutical compositions containing such compounds and methods for using these compounds in the treatment of HCV infection.

It is intended to provide a novel compound or a salt thereof, or crystals of the compound or the salt, which inhibit Axl and are useful in the treatment of a disease caused by hyperfunction of Axl, the treatment of a disease associated with hyperfunction of Axl, and/or the treatment of a disease involving hyperfunction of Axl.

[Solution]

The present invention provides a pyridone derivative having a tetrahydropyranylmethyl group represented by the following formula (I) having various substituents, or a salt thereof, or crystals of the compound or the salt (wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, W, X, Y, and Z are each as defined in the specification).

##STR00001##

Provided is a pest control composition containing a novel iminopyridine derivative and other pest control agents. Provided is a pest control composition containing an iminopyridine derivative represented by the following Formula (I) and at least one of other pest control agents: ##STR00001## [in the formula (I), Ar represents a 5- to 6-membered heterocycle which may be substituted, A represents a heterocycle having a 5- to 10-membered unsaturated bond including one or more nitrogen atoms, and has an imino group substituted with an R group at a position adjacent to the nitrogen atom present on the cycle, Y represents hydrogen, halogen and the like, and R represents any one of groups represented by the following Formulae (a) to (e), (y) or (z)]. ##STR00002##

Disclosed herein are compositions and methods for treating schizophrenia and symptoms of schizophrenia, including negative symptoms of schizophrenia.

Disclosed herein are compositions and methods for treating schizophrenia and symptoms of schizophrenia, including negative symptoms of schizophrenia.

Described herein are compounds, including pharmaceutically acceptable salts and solvates thereof, methods of making such compounds, pharmaceutical compositions comprising such compounds, and methods of using such compounds to treat non-alcoholic steatohepatitis and other diseases characterized by dysfunctional tissue healing and fibrosis.

Compounds as IDO inhibitors and/or dual inhibitors of IDO-HDAC are described. Specifically, the compounds represented by the following formula (I) are described, wherein each group is defined as described in the specification. The compounds have IDO inhibitory activity or IDO-HDAC dual inhibitory activity and can be used for preventing or treating diseases associated with IDO and/or IDO-HDAC activity or expression levels. At the same time, the compounds of the present invention can be combined with an anti-tumor antibody such as PD-1 and PD-L1, and such a combination can greatly increase the anti-tumor response rate of the antibody and broaden the types of tumors to be treated. ##STR00001##

A dihydropyrimidine compound and a pharmaceutical application thereof, especially the application used for treating and preventing HBV diseases. Specifically, a compound having Formula (I) or (Ia), or an enantiomer, a diastereoisomer, a tautomer, a hydrate, a solvate, or a pharmaceutically acceptable salt thereof, wherein the variables of the formulas are as defined in the specification. Also, use of the compound having Formula (I) or (Ia), or an enantiomer, a diastereoisomer, a tautomer, a hydrate, a solvate, or a pharmaceutically acceptable salt thereof as a medicine, especially for treating and preventing HBV diseases. ##STR00001##

The present invention relates spiro-cyclic amine derivatives of the formula (I) wherein R1; R2; R3; Q; —W-T-; R5; Z; and A have the definitions provided in the claims; or a pharmaceutically acceptable salt, a solvate or hydrate thereof or one or more N-oxides thereof. The compounds of the invention have affinity to S1P receptors and may be used in the treatment, alleviation or prevention of diseases and conditions in which (a) S1P receptor (s) is (are) involved.

##STR00001##

The present invention relates spiro-cyclic amine derivatives of the formula (I) wherein R1; R2; R3; Q; —W-T-; R5; Z; and A have the definitions provided in the claims; or a pharmaceutically acceptable salt, a solvate or hydrate thereof or one or more N-oxides thereof. The compounds of the invention have affinity to S1P receptors and may be used in the treatment, alleviation or prevention of diseases and conditions in which (a) S1P receptor (s) is (are) involved.

##STR00001##