{"id":5955,"date":"2021-08-20T03:06:42","date_gmt":"2021-08-19T19:06:42","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=5955"},"modified":"2021-08-20T03:06:42","modified_gmt":"2021-08-19T19:06:42","slug":"brief-introduction-of-c5h8n2","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=5955","title":{"rendered":"Brief introduction of C5H8N2"},"content":{"rendered":"

Reference of 694-48-4<\/a>, These common heterocyclic compound, 694-48-4, name is 1,3-Dimethyl-1H-pyrazole, 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

Put 100g (1.04mol, 1eq) of 1,3-dimethylpyrazole into the reaction bottleAnd 800mL water and 400mL ethanol,Add in batches with stirring at room temperature132.1g (0.52mol, 0.5eq) of iodine,Subsequently, 84.8 g (0.624 mol, 0.6 eq) of 25% hydrogen peroxide was added dropwise at 15-20C.Stir at room temperature for 20 hours,Sampling GC to check the remaining material is less than 1%, add 200mL of saturated sodium bisulfite,Distilling ethanol under reduced pressure, cooling to 0, filteringget210.1g of 4-iodine-1,3-dimethyl-1H-pyrazole, GC purity 98.6%,The yield was 91%.<\/p>\n

Statistics shows that 1,3-Dimethyl-1H-pyrazole is playing an increasingly important role. we look forward to future research findings about 694-48-4.<\/p>\n

Reference:
Patent; Xuzhou Shengyuan Chemical Co., Ltd.; Chen Hong; Yu Wanli; (8 pag.)CN111233768; (2020); A;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

Statistics shows that 1,3-Dimethyl-1H-pyrazole is playing an increasingly important role. we look forward to future research findings about 694-48-4.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[546,131],"tags":[145],"class_list":["post-5955","post","type-post","status-publish","format-standard","hentry","category-694-48-4","category-pyrazoles-derivatives","tag-m-w0-100"],"yoast_head":"\nBrief introduction of<\/title>\n<meta name=\"description\" content=\"Reference of 694-48-4, These common heterocyclic compound, 694-48-4, name is 1,3-Dimethyl-1H-pyrazole, 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=5955\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Brief introduction of\" \/>\n<meta property=\"og:description\" content=\"Reference of 694-48-4, These common heterocyclic compound, 694-48-4, name is 1,3-Dimethyl-1H-pyrazole, 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=5955\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-08-19T19:06:42+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=5955\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=5955\",\"name\":\"Brief introduction of\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-08-19T19:06:42+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Reference of 694-48-4, These common heterocyclic compound, 694-48-4, name is 1,3-Dimethyl-1H-pyrazole, 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=5955#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=5955\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=5955#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Brief introduction of C5H8N2\"}]},{\"@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. Pyrazole derivatives play an important role in antitumor agents.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.pyrazoles-derivatives.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\",\"name\":\"Jessica.F\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/en.cravatar.com\/avatar\/2d1cec2a99eeaad5a5b217c9cdbfb610?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/en.cravatar.com\/avatar\/2d1cec2a99eeaad5a5b217c9cdbfb610?s=96&d=mm&r=g\",\"caption\":\"Jessica.F\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Brief introduction of","description":"Reference of 694-48-4, These common heterocyclic compound, 694-48-4, name is 1,3-Dimethyl-1H-pyrazole, 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.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.pyrazoles-derivatives.com\/?p=5955","og_locale":"en_US","og_type":"article","og_title":"Brief introduction of","og_description":"Reference of 694-48-4, These common heterocyclic compound, 694-48-4, name is 1,3-Dimethyl-1H-pyrazole, 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.","og_url":"https:\/\/www.pyrazoles-derivatives.com\/?p=5955","og_site_name":"pyrazoles-derivatives","article_published_time":"2021-08-19T19:06:42+00:00","author":"Jessica.F","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Jessica.F","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.pyrazoles-derivatives.com\/?p=5955","url":"https:\/\/www.pyrazoles-derivatives.com\/?p=5955","name":"Brief introduction of","isPartOf":{"@id":"https:\/\/www.pyrazoles-derivatives.com\/#website"},"datePublished":"2021-08-19T19:06:42+00:00","author":{"@id":"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1"},"description":"Reference of 694-48-4, These common heterocyclic compound, 694-48-4, name is 1,3-Dimethyl-1H-pyrazole, 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=5955#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.pyrazoles-derivatives.com\/?p=5955"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.pyrazoles-derivatives.com\/?p=5955#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.pyrazoles-derivatives.com\/"},{"@type":"ListItem","position":2,"name":"Brief introduction of C5H8N2"}]},{"@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. Pyrazole derivatives play an important role in antitumor agents.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.pyrazoles-derivatives.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1","name":"Jessica.F","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/image\/","url":"https:\/\/en.cravatar.com\/avatar\/2d1cec2a99eeaad5a5b217c9cdbfb610?s=96&d=mm&r=g","contentUrl":"https:\/\/en.cravatar.com\/avatar\/2d1cec2a99eeaad5a5b217c9cdbfb610?s=96&d=mm&r=g","caption":"Jessica.F"}}]}},"_links":{"self":[{"href":"https:\/\/www.pyrazoles-derivatives.com\/index.php?rest_route=\/wp\/v2\/posts\/5955","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pyrazoles-derivatives.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pyrazoles-derivatives.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pyrazoles-derivatives.com\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pyrazoles-derivatives.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5955"}],"version-history":[{"count":0,"href":"https:\/\/www.pyrazoles-derivatives.com\/index.php?rest_route=\/wp\/v2\/posts\/5955\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pyrazoles-derivatives.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5955"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pyrazoles-derivatives.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5955"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pyrazoles-derivatives.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}