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Guangzhou Magpie Pharmaceuticals Co., Ltd.

Guangzhou Magpie Pharmaceutical Co., Ltd.

Luchen Shan

Yuqiang Wang

Pei Yu

Zaijun Zhang

Yewei Sun

Gaoxiao Zhang

Peng Yi

James W Larrick

Zheng Liu

Haiyun Chen

Liang Tao

James Larrick

The present invention relates to amantadine nitrate compounds having neural protective effect, and preparation method and medical use thereof. The compounds have the structure of the general formula (II).  The compounds have multifunctional mechanisms, including inhibiting NMDA receptors, releasing NO, inhibiting calcium influxes, and having protective effects on cells particularly neurocytes. The compounds can be used in the preparation of medicaments having a cellular protective effect, for prevention or treatment of the diseases related to such as NMDA receptors and elevation of calcium anions in cells, including the diseases related to neurodegeneration such as Alzheimer's disease, Parkinson's disease, cerebral paralysis and glaucoma, and the diseases related to cardio-cerebral-vascular system such as Parkinson's syndrome combined with cerebral arteriosclerosis, as well as respiratory tract infections caused by influenza virus.

Amantadine nitrate compounds for use as medicaments for the treatment of diseases

The present invention relates to a pyrazine derivative, and preparation method and medical use thereof. The pyrazine derivative can remove free radicals and suppress calcium overload and has cytoprotective effects, and can be used for the prevention and treatment of cardiovascular and cerebrovascular diseases, neurodegenerative diseases and other related diseases.

Pyrazine derivative, and preparation method and medical use thereof

The present invention relates to trifluoroacetyl hydrazide compounds and medical uses thereof. The compounds have a structure of the following formula:  The compounds showed multifunctional mechanisms, including inhibition of glutamate excitotoxicity, activation of MEF2 transcriptional activity, clearance of free radicals, and promotion of nerve differentiation, and has a better protective effect on cells especially nerve cells. The compound can be used to prepare prophylactic or therapeutic medicaments with cytoprotective effects, for the prevention or treatment of diseases related to glutamate receptor activation, MEF2 disorders or excessive free radicals generation. The diseases include, for example, neurodegenerative diseases such as Alzheimer's disease, Parkinson and stroke, and the free radicals related diseases such as heart disease, myocardial ischemia, diabetes and other cardiovascular and cerebrovascular diseases.

Trifluoroacetyl hydrazide compounds and medical uses thereof

The present invention relates to trifluoroacetyl hydrazide compounds and methods of preparation and uses thereof. The compounds have a structure of the following formula:  The compounds showed multifunctional mechanisms, including inhibition of glutamate excitotoxicity, activation of MEF2 transcriptional activity, clearance of free radicals, and promotion of nerve differentiation, and has a better protective effect on cells especially nerve cells. The compound can be used to prepare prophylactic or therapeutic medicaments with cytoprotective effects, for the prevention or treatment of diseases related to glutamate receptor activation, MEF2 disorders or excessive free radicals generation. The diseases include, for example, neurodegenerative diseases such as Alzheimer's disease, Parkinson and stroke, and the free radicals related diseases such as heart disease, myocardial ischemia, diabetes and other cardiovascular and cerebrovascular diseases.

Trifluoroacetyl hydrazide compounds and methods of preparation and uses thereof

The present invention relates to amantadine nitrate compounds having neural protective effect, and preparation method and medical use thereof. The compounds have the structure of the general formula (I). The compounds have multifunctional mechanisms, including inhibiting NMDA receptors, releasing NO, inhibiting calcium influxes, and having protective effects on cells particularly neurocytes. The compounds can be used in the preparation of medicaments having a cellular protective effect, for prevention or treatment of the diseases related to such as NMDA receptors and elevation of calcium anions in cells, including the diseases related to neurodegeneration such as Alzheimer's disease, Parkinson's disease, cerebral paralysis and glaucoma, and the diseases related to cardio-cerebral-vascular system such as Parkinson's syndrome combined with cerebral arteriosclerosis, as well as respiratory tract infections caused by influenza virus.

Amantadine nitrate compounds with neural protective effect, and preparation and medical use thereof

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Guangzhou, China

Luchen Shan