A compound of Formula (I), or a pharmaceutically-acceptable salt thereof, is described, wherein the substituents are as defined herein. Pharmaceutical compositions comprising the same and method of using the same are also described.

##STR00001##

A compound of Formula (I), or a pharmaceutically-acceptable salt thereof, is described, wherein the substituents are as defined herein. Pharmaceutical compositions comprising the same and method of using the same are also described.

##STR00001##

The invention belongs to the field of pharmacy, and relates to a class of opioid receptor agonists, their preparation method and the pharmaceutical use thereof, in particular to 3-(dimethylaminomethyl) cyclohex-4-ol derivatives or salts thereof and preparation method thereof, 3-(dimethylaminomethyl) piperidin-4-ol derivatives or salts thereof and preparation method thereof, 3-(dimethylaminomethyl) piperidin-4-ol derivatives or salts thereof and preparation method thereof, 3-(dimethylaminomethyl) piperidin-4-ol derivative or salt thereof and preparation method thereof, 3-(dimethylaminomethyl) piperidin-4-ol derivative or salt thereof and preparation method thereof, and relate to the use of said compounds in the treatment of opioid receptor-mediated diseases. The use of the compound or pharmaceutically acceptable salt, solvate or hydrate thereof in the preparation of a medicament for treating indications related to opioid receptors. The opioid receptor-related indications are pain, irritable bowel syndrome, pruritus, addiction and depression.

##STR00001##

Compounds of formula (I), formula (II), or formula (III) and their use with a neurological or psychiatric disorder, mediated by Kv11.1-3.1 containing potassium channels, including schizophrenia, are disclosed.

Disclosed is chemical compounds C that are derivatives of norbixin and have tropism for the eye, and are intended to be used in the treatment of eye diseases in mammals, in particular in the context of altering the retinal pigment epithelium and more particularly in the context of age-related macular degeneration (AMD) and Stargardt's disease.

The present invention relates to a medicament for treating or preventing a disease related to orexin receptor, especially orexin type 2 receptor, comprising a new compound having a urea structure or a pharmaceutically acceptable salt thereof as an active ingredient. In more detail, the present invention relates to a medicament for treating or preventing narcolepsy, idiopathic hypersomnia, hypersomnia, sleep apnea syndrome, etc.

The present invention relates to compounds of the general formula (I), their tautomeric forms, their stereoisomers, their pharmaceutically acceptable salts, pharmaceutical compositions containing them, methods for their preparation, use of these compounds in medicine and the intermediates involved in their preparation The present invention is directed towards compounds which can be useful in treating diseases such as Hyperlipidemia and also have a beneficial effect on lowering cholesterol.

The disclosure provides at least one compound, tautomer, deuterated derivative, or pharmaceutically acceptable salt chosen from compounds of Formula I, tautomers thereof, deuterated derivatives of those compounds or tautomers, and pharmaceutically acceptable salts of any of the foregoing, compositions comprising the same, and methods of using the same, including uses in treating APOL1-mediated diseases, including pancreatic cancer, focal segmental glomerulosclerosis (FSGS), and/or non-diabetic kidney disease (NDKD).

##STR00001##

The compound of the formula (I-1): ##STR00001##
wherein all the symbols have the same meanings as described in the specification, has two cyclic groups, particularly phenoxy groups at specific substitution positions and thus has high human S1P.sub.2 antagonistic activity. The compound may therefore be used as a therapeutic agent for S1P.sub.2-mediated diseases such as diseases resulting from vascular constriction, fibrosis, and respiratory diseases.

The compound of the formula (I-1): ##STR00001##
wherein all the symbols have the same meanings as described in the specification, has two cyclic groups, particularly phenoxy groups at specific substitution positions and thus has high human S1P.sub.2 antagonistic activity. The compound may therefore be used as a therapeutic agent for S1P.sub.2-mediated diseases such as diseases resulting from vascular constriction, fibrosis, and respiratory diseases.