{"id":4184,"date":"2021-05-21T03:39:14","date_gmt":"2021-05-20T19:39:14","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4184"},"modified":"2021-05-21T03:39:14","modified_gmt":"2021-05-20T19:39:14","slug":"simple-exploration-of-128694-63-3-2","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4184","title":{"rendered":"Simple exploration of 128694-63-3"},"content":{"rendered":"

Synthetic Route of 128694-63-3<\/a>, A common heterocyclic compound, 128694-63-3, name is 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid, molecular formula is C6H5F3N2O2, its 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

Example 81B N-((3S,4R)-1-((8-Chloroquinoxalin-6-yl)carbonyl)-3-phenylpiperidin-4-yl)-1-methyl-3-(trifluoromethyl)-1 H-pyrazole-5-carboxamide To a solution of 1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid (0.075 g), a 0.24 M solution of ((3S,4R)-4-amino-3-phenylpiperidin-1-yl)(8-chloroquinoxalin-6-yl)methanone in DMF (1.1 mL), HOBt (0.052 g) and triethylamine (0.11 mL) in DMF (1.0 mL), WSC (0.071 mL) was added at room temperature, and the mixture was stirred for 16 hours. Water was added to the reaction mixture, followed by extraction with ethyl acetate\/THF. The extract was washed with a saturated aqueous solution of potassium carbonate, water and saturated brine and then dried over anhydrous magnesium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by silica gel column chromatography (NH, ethyl acetate\/hexane) to obtain the title compound (0.10 g). 1H NMR (300 MHz, DMSO-d6) delta 1.57-2.12 (2H, m), 3.34-3.48 (1H, m), 3.51-3.83 (2H, m), 3.87 (3H, s), 3.91-4.10 (1H, m), 4.11-4.46 (1H, m), 4.48-4.76 (1H, m), 7.07-7.45 (6H, m), 8.03 (1H, d, J = 9.6 Hz), 8.13 (1H, brs), 8.46 (1H, d, J = 9.0 Hz), 8.99-9.19 (2H, m).<\/p>\n

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.<\/p>\n

Reference:
Patent; Takeda Pharmaceutical Company Limited; ASANO, Yasutomi; KOJIMA, Takuto; KURASAWA, Osamu; WONG, Tzu-Tshin; HIRATA, Yasuhiro; IWAMURA, Naoki; SAITO, Bunnai; TANAKA, Yuta; ARAI Ryosuke; IMAMURA, Shinichi; YONEMORI, Kazuko; MIYAMOTO, Yasufumi; KITAMURA, Shuji; SANO, Osamu; (222 pag.)EP3287441; (2018); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.<\/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-4184","post","type-post","status-publish","format-standard","hentry","category-128694-63-3","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nSimple exploration of<\/title>\n<meta name=\"description\" content=\"Synthetic Route of 128694-63-3, A common heterocyclic compound, 128694-63-3, name is 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid, molecular formula is C6H5F3N2O2, its 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=\"https:\/\/www.pyrazoles-derivatives.com\/?p=4184\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Simple exploration of\" \/>\n<meta property=\"og:description\" content=\"Synthetic Route of 128694-63-3, A common heterocyclic compound, 128694-63-3, name is 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid, molecular formula is C6H5F3N2O2, its 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=\"https:\/\/www.pyrazoles-derivatives.com\/?p=4184\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-05-20T19:39:14+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=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4184\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4184\",\"name\":\"Simple exploration of\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-05-20T19:39:14+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Synthetic Route of 128694-63-3, A common heterocyclic compound, 128694-63-3, name is 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid, molecular formula is C6H5F3N2O2, its 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\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4184#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=4184\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4184#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Simple exploration 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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