{"id":4099,"date":"2021-05-17T04:33:53","date_gmt":"2021-05-16T20:33:53","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4099"},"modified":"2021-05-17T04:33:53","modified_gmt":"2021-05-16T20:33:53","slug":"a-new-synthetic-route-of-c6h5f3n2o2","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4099","title":{"rendered":"A new synthetic route of C6H5F3N2O2"},"content":{"rendered":"

Some common heterocyclic compound, 128694-63-3, name is 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid, molecular formula is C6H5F3N2O2, 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 C6H5F3N2O2<\/a><\/p>\n

Reference Example 3A mixture of 0.19 g of 1-methyl-3-trifluoromethyl-1H-pyrazole-5-carboxylic acid, 0.15 g of thionyl chloride and 5 mL of hexane was heated to reflux for 2 hours. The reaction mixture was concentrated under reduced pressure to obtain 0.14 g of 1-methyl-3-trifluoromethyl-1H-pyrazole-5-carbonyl chloride. To a mixture of 0.22 g of N-(2-aminobenzoyl)-N’-ethoxycarbonylhydrazine and 10 mL of pyridine was added 0.14 g of the resulting 1-methyl-3-trifluoromethyl-1H-pyrazole-5-carbonyl chloride, and the mixture was stirred at room temperature for 2 hours. Water was poured into the reaction mixture, and a formed precipitate was collected by filtration to obtain 0.23 g of a compound I-(3). 1H-NMR (DMSO-d6, TMS) delta(ppm): 1.20 (3H, t, J=8 Hz), 4.10 (2H, q, J=8 Hz), 4.19 (3H, s), 7.17 (1H, s), 7.28 (1H, t, J=8 Hz), 7.60 (1H, t, J=8 Hz), 7.79 (1H, d, J=8 Hz), 8.37 (1H, d, J=8 Hz), 9.02 (1H, brs), 10.41 (1H, brs), 11.50 (1H, brs)<\/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 128694-63-3, its application will become more common.<\/p>\n

Reference:
Patent; Natsuhara, Katsuya; Nishimura, Shinya; US2010\/99692; (2010); 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 128694-63-3, 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":[608,131],"tags":[126],"class_list":["post-4099","post","type-post","status-publish","format-standard","hentry","category-128694-63-3","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nA new synthetic route of<\/title>\n<meta name=\"description\" content=\"Some common heterocyclic compound, 128694-63-3, name is 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid, molecular formula is C6H5F3N2O2, 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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