{"id":4153,"date":"2021-05-19T03:54:18","date_gmt":"2021-05-18T19:54:18","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4153"},"modified":"2021-05-19T03:54:18","modified_gmt":"2021-05-18T19:54:18","slug":"the-important-role-of-128694-63-3-3","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4153","title":{"rendered":"The important role of 128694-63-3"},"content":{"rendered":"

Synthetic Route of 128694-63-3<\/a>,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.<\/p>\n

A 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 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid, its application will become more common.<\/p>\n

Reference:
Patent; Natsuhara, Katsuya; Nishimura, Shinya; US2010\/137314; (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 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid, 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-4153","post","type-post","status-publish","format-standard","hentry","category-128694-63-3","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nThe important role of<\/title>\n<meta name=\"description\" content=\"Synthetic Route of 128694-63-3,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.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.pyrazoles-derivatives.com\/?p=4153\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The important role of\" \/>\n<meta property=\"og:description\" content=\"Synthetic Route of 128694-63-3,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.\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.pyrazoles-derivatives.com\/?p=4153\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-05-18T19:54:18+00:00\" \/>\n<meta name=\"author\" content=\"Jessica.F\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jessica.F\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/?p=4153\",\"url\":\"http:\/\/www.pyrazoles-derivatives.com\/?p=4153\",\"name\":\"The important role of\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-05-18T19:54:18+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Synthetic Route of 128694-63-3,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.\",\"breadcrumb\":{\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/?p=4153#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\/\/www.pyrazoles-derivatives.com\/?p=4153\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/?p=4153#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"The important role of 128694-63-3\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/\",\"name\":\"pyrazoles-derivatives\",\"description\":\"Several pyrazole derivatives possess important pharmacological activities and they have been proved useful materials in drug research. 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