{"id":5019,"date":"2021-06-29T03:13:51","date_gmt":"2021-06-28T19:13:51","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=5019"},"modified":"2021-06-29T03:13:51","modified_gmt":"2021-06-28T19:13:51","slug":"some-scientific-research-about-c11h10n2o2","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=5019","title":{"rendered":"Some scientific research about C11H10N2O2"},"content":{"rendered":"

Some common heterocyclic compound, 10250-64-3, name is 1-Methyl-3-phenyl-1H-pyrazole-5-carboxylic acid, molecular formula is C11H10N2O2, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. Computed Properties of C11H10N2O2<\/a><\/p>\n

To a stirred suspension of 1-methyl-3-phenyl-1H-pyrazole-5-carboxylic acid (46 mg, CAS 10250-64-3) in dichloroethane (2 ml) were added oxalyl chloride (44 mul) and DMF (2 drops). The reaction mixture was stirred at room temperature for 1 h and was then concentrated in vacuo. The residue was dissolved in THF (1 ml) and the resulting solution was added dropwise to a stirred solution of (+)-(R)-2-(4-amino-3-fluoro-phenyl)-morpholine-4-carboxylic acid tert-butyl ester (50 mg, example 1h) and triethylamine (118 mul) in THF (2 ml). The reaction mixture was stirred at room temperature for 2 h. The crude reaction mixture was then concentrated in vacuo and the residue was purified by column chromatography (SiO2; gradient: 0% to 50% EtOAc in heptane) to give (R)-2-{3-fluoro-4-[(2-methyl-5-phenyl-2H-pyrazole-3 carbonyl)-amino]-phenyl}-morpholine-4-carboxylic acid tert-butyl ester (81 mg, quant.) as a white solid. MS (ISP): 503.1 ([M+Na]+), 481.3 ([M+H]+), 425.2 ([M+H-C4H8]+).<\/p>\n

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 10250-64-3, its application will become more common.<\/p>\n

Reference:
Patent; Galley, Guido; Norcross, Roger; Pflieger, Philippe; US2012\/316165; (2012); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 10250-64-3, its application will become more common.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[135,131],"tags":[127],"class_list":["post-5019","post","type-post","status-publish","format-standard","hentry","category-10250-64-3","category-pyrazoles-derivatives","tag-m-w200-300"],"yoast_head":"\nSome scientific research about<\/title>\n<meta name=\"description\" content=\"Some common heterocyclic compound, 10250-64-3, name is 1-Methyl-3-phenyl-1H-pyrazole-5-carboxylic acid, molecular formula is C11H10N2O2, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. 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