865156-59-8Relevant articles and documents
Preparation method of 4-bromo-6-chloropyridine-2-carboxylic acid
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Paragraph 0021-0057, (2020/12/29)
The invention relates to a preparation method of 4-bromo-6-chloropyridine-2-carboxylic acid. The preparation method of the 4-bromo-6-chloropyridine-2-carboxylic acid comprises the following steps: carrying out primary substitution reaction on 2,4-dihydroxy-6-methylpyridine and one of phosphorus oxybromide, phosphorus pentabromide or tetrabutylammonium bromide to generate 2-hydroxy-4-bromo-6-methylpyridine; carrying out secondary substitution reaction on the 2-hydroxy-4-bromine-6-methyl pyridine and phosphorus oxychloride or phosphorus pentachloride to generate 4-bromine-6-methyl-2-pyridine; according to the preparation method of the 4bromo 6chloropyridine 2carboxylic acid, the raw materials are cheap and easy to obtain, column chromatography purification is not needed in the reaction process, and the operation is simple and convenient.
METHODS OF USING SUBSTITUTED PYRAZOLE AND PYRAZOLE COMPOUNDS AND FOR TREATMENT OF HYPERPROLIFERATIVE DISEASES
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Paragraph 558; 559, (2018/06/21)
Disclosed are methods of treating hyperproliferative disorders such as cancer, methods of arresting the cell cycle in cancer cells, methods of inhibiting glutathione synthesis in cancer cells, and associated compounds for use and uses in medicaments. In certain embodiments, the methods, uses and compounds are provided with reference to compounds of the structural formula (I), in which X1, X2, Z1, Z2, the ring system denoted by "a", R1, L1, L2, Q, L3, R3, L4, R4, L5, and R5 are as described herein. In certain embodiments, compounds disclosed herein are especially active against cancers having a mutant KRAS gene.
IMIDAZOLOPYRAZINE COMPOUNDS USEFUL FOR THE TREATMENT OF DEGENERATIVE AND INFLAMMATORY DISEASES
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Page/Page column 86, (2008/06/13)
Novel imidazo[1,2-a]pyrazine compounds are disclosed that have a formula ( I ) represented by the following:The compounds may be prepared as pharmaceutical compositions, and may be used for the prevention and treatment of a variety of conditions in mammals including humans, including by way of non-limiting example, arthritis, inflammation, and others.