127116-19-2Relevant articles and documents
Synthesis of N-pyrimidin[1,3,4]oxadiazoles and N-pyrimidin[1,3,4]-thiadiazoles from 1,3,4-oxadiazol-2-amines and 1,3,4-thiadiazol-2-amines via Pd-catalyzed heteroarylamination
Yan, Longjia,Deng, Minggao,Chen, Anchao,Li, Yongliang,Zhang, Wanzheng,Du, Zhi-yun,Dong, Chang-zhi,Meunier, Bernard,Chen, Huixiong
supporting information, p. 1359 - 1362 (2019/04/25)
An efficient and practical procedure was developed to prepare various N-pyrimidin[1,3,4]oxadiazole and thiadiazole scaffolds using a Buchwald-type coupling. The products of this reaction are otherwise difficult to access and could be used as building bloc
Synthesis method of dasatinib intermediate
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Paragraph 0025; 0028; 0029; 0030; 0031, (2017/05/16)
The invention discloses a synthesis method of a dasatinib intermediate. The method comprises the following steps: taking 2-methyl-4-amino-6-chloropyridine and bi(2-chloroethyl)amine to react to generate 2-methyl-6-chloro-pyridine-4-yl piperazine; and taking the 2-methyl-6-chloro-pyridine-4-yl piperazine and 2-ethylene chlorohydrin to react to generate 2-[4-(2-methyl-6-chloro-pyridine-4-yl)piperazine-1-yl]ethanol. The method disclosed by the invention has the advantages of simplicity and easiness of obtaining raw materials, simplicity in operation, high product yield, high purity and easiness of industrial production.
HETEROCYCLIC COMPOUND
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Paragraph 0605, (2015/01/18)
The present invention provides an agent for the prophylaxis or treatment of autoimmune diseases (e.g., psoriasis, rheumatoid arthritis, inflammatory bowel disease, Sjogren's syndrome, Behcet's disease, multiple sclerosis, systemic lupus erythematosus etc.) and the like, which has a superior Tyk2 inhibitory action. The present invention relates to a compound represented by the formula wherein each symbol is as defined in the specification, or a salt thereof.