{"id":4260,"date":"2021-05-25T04:08:40","date_gmt":"2021-05-24T20:08:40","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4260"},"modified":"2021-05-25T04:08:40","modified_gmt":"2021-05-24T20:08:40","slug":"research-on-new-synthetic-routes-about-128694-63-3","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4260","title":{"rendered":"Research on new synthetic routes about 128694-63-3"},"content":{"rendered":"

Related Products 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

To a suspension of 6-(2-amino-5-chlorothiazol-4- yl)-3,4-dihydroquinolin-2(1H)-one (0.100 g, 0.41 mmol) and 1 -methyl-3-(trifluoromethyl)- 1 H-pyrazole-5-carboxylic acid (0.087 g, 0.45 mmol), and pyridine (0.16 m E, 1.96 mmol) in acetonitrile (2.5 mE) in a sealed tube was added propylphosphonic anhydride solution (50 wt % in ethyl acetate, 0.61 mE, 1.02 mmol). The sealed tube was heated to 1000 C. for 16 hand the precipitation formed. Afier cooling, 1 -methyl-N-(4-(2-oxo-i ,2,3,4-tetrahydroquinolin-6-yl)thi- azol-2-yl)-3-(trifluoromethyl)-i H-pyrazole-5-carboxamide (0.160g, 93%). ?H NMR (400 MHz, DMSO-d): oe 12.97(bs, 1H), 10.20 (s, 1H), 7.74 (m, 1H), 7.71 (m, 1H), 7.59 (s, 1H),6.91 (d, 1H, J=8.0 Hz), 4.23 (s, 3H), 2.93 (t, 2H, J=7.2 Hz),2.48 (partial masked under d-DMSO, m, 2H); MS (ESI):Calcd. for C,8H,4F3N5025: 421, found 422 (M+i).<\/p>\n

The synthetic route of 128694-63-3 has been constantly updated, and we look forward to future research findings.<\/p>\n

Reference:
Patent; Nantbio, Inc.; Tao, Chunlin; Nallan, Laxman; Ho, David G.; Wang, Qinwei; Weingarten, Paul; Juncker-Jensen, Anna B.; (121 pag.)US2018\/201610; (2018); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 128694-63-3 has been constantly updated, and we look forward to future research findings.<\/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-4260","post","type-post","status-publish","format-standard","hentry","category-128694-63-3","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nResearch on new synthetic routes about<\/title>\n<meta name=\"description\" content=\"Related Products 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=4260\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Research on new synthetic routes about\" \/>\n<meta property=\"og:description\" content=\"Related Products 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=4260\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-05-24T20:08:40+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\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4260\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4260\",\"name\":\"Research on new synthetic routes about\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-05-24T20:08:40+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Related Products 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=4260#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=4260\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4260#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Research on new synthetic routes about 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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