Provided herein are bicyclic compounds and methods of synthesis thereof. The compounds provided herein are useful for the treatment, prevention, and/or management of various neurological disorders. Compounds provided herein inhibit reuptake of endogenous monoamines, such as dopamine, serotonin and norepinephrine (e.g., from the synaptic cleft) and modulate one or more monoamine transporter. Pharmaceutical formulations containing the compounds are also provided.

Provided herein are bicyclic compounds and methods of synthesis thereof. The compounds provided herein are useful for the treatment, prevention, and/or management of various neurological disorders. Compounds provided herein inhibit reuptake of endogenous monoamines, such as dopamine, serotonin and norepinephrine (e.g., from the synaptic cleft) and modulate one or more monoamine transporter. Pharmaceutical formulations containing the compounds are also provided.

The present invention relates to a fused-ring compound and a preparation method, a pharmaceutical composition, and an application thereof. The fused-ring compound has structural features of Formula (I). The fused-ring compound belongs to a class of somatostatin receptor subtype 4 (SSTR4) agonist compounds having novel structures, improved efficacy, high bioavailability, and improved solubility.

##STR00001##

The present invention relates to a fused-ring compound and a preparation method, a pharmaceutical composition, and an application thereof. The fused-ring compound has structural features of Formula (I). The fused-ring compound belongs to a class of somatostatin receptor subtype 4 (SSTR4) agonist compounds having novel structures, improved efficacy, high bioavailability, and improved solubility.

##STR00001##

The present invention provides compounds of formula (I), and pharmaceutical compositions thereof. ##STR00001##

The present invention provides compounds of formula (I), and pharmaceutical compositions thereof. ##STR00001##

Novel compounds that act as antagonists to human GPR39 protein are disclosed. Pharmaceutical compositions and methods of use for antagonists to human GPR39 protein are disclosed. In particular, methods of using the antagonists in the treatment of diseases or conditions including cardiovascular conditions, endocrine system and hormone disorders, cancer disorders, metabolic diseases, gastrointestinal and liver diseases, hematological disorders, neurological disorders and respiratory diseases are disclosed herein.

Novel compounds that act as antagonists to human GPR39 protein are disclosed. Pharmaceutical compositions and methods of use for antagonists to human GPR39 protein are disclosed. In particular, methods of using the antagonists in the treatment of diseases or conditions including cardiovascular conditions, endocrine system and hormone disorders, cancer disorders, metabolic diseases, gastrointestinal and liver diseases, hematological disorders, neurological disorders and respiratory diseases are disclosed herein.

The invention is directed to substituted piperidine derivatives. Specifically, the invention is directed to compounds according to Formula IIII:

##STR00001##

wherein A, B, X, Y, L.sup.1, L.sup.2, L.sup.3, R.sup.1, R.sup.2, R.sup.3, R.sup.4 R.sup.5, R.sup.6, R.sup.9, z.sup.2, z.sup.4, z.sup.5, and z.sup.6 are as defined herein, and salts thereof.

The compounds of the invention are inhibitors of the ATF4 pathway and can be useful in the treatment of cancer, pre-cancerous syndromes and diseases associated with activated unfolded protein response pathways, such as Alzheimer’s disease, spinal cord injury, traumatic brain injury, ischemic stroke, stroke, diabetes, Parkinson disease, Huntington’s disease, Creutzfeldt-Jakob Disease, and related prion diseases, progressive supranuclear palsy, amyotrophic lateral sclerosis, myocardial infarction, cardiovascular disease, inflammation, fibrosis, chronic and acute diseases of the liver, chronic and acute diseases of the lung, chronic and acute diseases of the kidney, chronic traumatic encephalopathy (CTE), neurodegeneration, dementia, cognitive impairment, atherosclerosis, ocular diseases, arrhythmias, in organ transplantation and in the transportation of organs for transplantation. Accordingly, the invention is further directed to pharmaceutical compositions comprising a compound of the invention. The invention is still further directed to methods of inhibiting the ATF4 pathway and treatment of disorders associated therewith using a compound of the invention or a pharmaceutical composition comprising a compound of the invention.

The invention is directed to substituted piperidine derivatives. Specifically, the invention is directed to compounds according to Formula IIII:

##STR00001##

wherein A, B, X, Y, L.sup.1, L.sup.2, L.sup.3, R.sup.1, R.sup.2, R.sup.3, R.sup.4 R.sup.5, R.sup.6, R.sup.9, z.sup.2, z.sup.4, z.sup.5, and z.sup.6 are as defined herein, and salts thereof.

The compounds of the invention are inhibitors of the ATF4 pathway and can be useful in the treatment of cancer, pre-cancerous syndromes and diseases associated with activated unfolded protein response pathways, such as Alzheimer’s disease, spinal cord injury, traumatic brain injury, ischemic stroke, stroke, diabetes, Parkinson disease, Huntington’s disease, Creutzfeldt-Jakob Disease, and related prion diseases, progressive supranuclear palsy, amyotrophic lateral sclerosis, myocardial infarction, cardiovascular disease, inflammation, fibrosis, chronic and acute diseases of the liver, chronic and acute diseases of the lung, chronic and acute diseases of the kidney, chronic traumatic encephalopathy (CTE), neurodegeneration, dementia, cognitive impairment, atherosclerosis, ocular diseases, arrhythmias, in organ transplantation and in the transportation of organs for transplantation. Accordingly, the invention is further directed to pharmaceutical compositions comprising a compound of the invention. The invention is still further directed to methods of inhibiting the ATF4 pathway and treatment of disorders associated therewith using a compound of the invention or a pharmaceutical composition comprising a compound of the invention.