{"id":1659,"date":"2021-02-05T03:09:31","date_gmt":"2021-02-04T19:09:31","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1659"},"modified":"2021-02-05T03:09:31","modified_gmt":"2021-02-04T19:09:31","slug":"introduction-of-a-new-synthetic-route-about-4522-35-4","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1659","title":{"rendered":"Introduction of a new synthetic route about 4522-35-4"},"content":{"rendered":"

Synthetic Route of 4522-35-4<\/a>,Some common heterocyclic compound, 4522-35-4, name is 3-Iodo-1H-pyrazole, molecular formula is C3H3IN2, 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

INTERMEDIATE 15 5-(3-Iodo-lH-pyrazol-l -yl)-2-(trifluorometyl)pyridine To a solution of 3-iodopyrazole (0.588 g, 3.03 mmol) in DMSO (15.0 mL) was added sodium hydride (60% in oil, 0.145 g, 3.64 mmol) and stirred for 0.5 h before 5-fluoro- 2-(trifluoromethyl)pyridines added. The reaction mixture was stirred at 90 C overnight. The reaction was quenched by the addition of water and extracted with EtOAc. The combined organic extracts were washed with water and brine, dried over MgS04 and concentrated in vacuo. The crude mixture was purified by passing through the silica gel funnel with CH2C12 to give 5-(3-iodo-lH-pyrazol-l -yl)-2- (trifiuorometyl)pyridine, as a yellow solid. LCMS calc. = 339.95; found = 339.89 (M+H)+. 1H NMR (500 MHz, CDC13): delta 9.03 (d, J= 2.3 Hz, 1 H); 8.24 (dd, J= 8.4, 2.1 Hz, 1 H); 7.86 (d, J= 2.5 Hz, 1 H); 7.80 (d, J= 8.5 Hz, 1 H); 6.73 (d, J = 2.6 Hz, 1 H).<\/p>\n

The synthetic route of 4522-35-4 has been constantly updated, and we look forward to future research findings.<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 4522-35-4 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":[147,131],"tags":[126],"class_list":["post-1659","post","type-post","status-publish","format-standard","hentry","category-4522-35-4","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nIntroduction of a new synthetic route about 4522-35-4<\/title>\n<meta name=\"description\" content=\"Synthetic Route of 4522-35-4,Some common heterocyclic compound, 4522-35-4, name is 3-Iodo-1H-pyrazole, molecular formula is C3H3IN2, 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=1659\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Introduction of a new synthetic route about 4522-35-4\" \/>\n<meta property=\"og:description\" content=\"Synthetic Route of 4522-35-4,Some common heterocyclic compound, 4522-35-4, name is 3-Iodo-1H-pyrazole, molecular formula is C3H3IN2, 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=1659\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-02-04T19:09:31+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=1659\",\"url\":\"http:\/\/www.pyrazoles-derivatives.com\/?p=1659\",\"name\":\"Introduction of a new synthetic route about 4522-35-4\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-02-04T19:09:31+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Synthetic Route of 4522-35-4,Some common heterocyclic compound, 4522-35-4, name is 3-Iodo-1H-pyrazole, molecular formula is C3H3IN2, 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=1659#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\/\/www.pyrazoles-derivatives.com\/?p=1659\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/?p=1659#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Introduction of a new synthetic route about 4522-35-4\"}]},{\"@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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