{"id":973,"date":"2020-11-09T10:32:47","date_gmt":"2020-11-09T02:32:47","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=973"},"modified":"2020-11-09T10:32:47","modified_gmt":"2020-11-09T02:32:47","slug":"the-origin-of-a-common-compound-about-1145-01-3","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=973","title":{"rendered":"The origin of a common compound about 1145-01-3"},"content":{"rendered":"

A common heterocyclic compound, 1145-01-3, name is 3,5-Diphenyl-1H-pyrazole, molecular formula is C15H12N2, 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. 1145-01-3<\/a>.<\/p>\n

EXAMPLE 5 The preparation of 1 -methyl-3,5-diphenylpyrazole Five parts of 3,5-diphenylpyrazole are dissolved in 25 parts (by volume) of methyl isobutyl ketone. Solid anhydrous sodium hydroxide (1.1 parts) is added and the mixture is heated to 90C. Dimethyl sulfate (3.43 parts) is added and the mixture is next heated to 112C. to 115C. The reaction mixture is sampled after 1.5 hours, and no unreacted 3,5-diphenylpyrazole is found to be present. The reaction mixture is cooled to 50C., and 30 parts of water are added. The pH is next adjusted to between 11 and 12 by the addition of aqueous sodium hydroxide. The organic layer is washed twice with 30 parts water. For yield determination the methyl isobutyl ketone is removed in vacuo, producing 4.95 parts (93% crude yield) of an oil which crystallizes on cooling (melting point 52C. to 53C). Analysis of the product shows it to be 85.5% pure as 1-methyl-3,5-diphenylpyrazole.<\/p>\n

The synthetic route of 3,5-Diphenyl-1H-pyrazole has been constantly updated, and we look forward to future research findings.<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 3,5-Diphenyl-1H-pyrazole 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":[184,131],"tags":[127],"class_list":["post-973","post","type-post","status-publish","format-standard","hentry","category-1145-01-3","category-pyrazoles-derivatives","tag-m-w200-300"],"yoast_head":"\nThe origin of a common compound about 1145-01-3<\/title>\n<meta name=\"description\" content=\"A common heterocyclic compound, 1145-01-3, name is 3,5-Diphenyl-1H-pyrazole, molecular formula is C15H12N2, 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. 1145-01-3.\" \/>\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=973\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The origin of a common compound about 1145-01-3\" \/>\n<meta property=\"og:description\" content=\"A common heterocyclic compound, 1145-01-3, name is 3,5-Diphenyl-1H-pyrazole, molecular formula is C15H12N2, 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. 1145-01-3.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pyrazoles-derivatives.com\/?p=973\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2020-11-09T02:32:47+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=973\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=973\",\"name\":\"The origin of a common compound about 1145-01-3\",\"isPartOf\":{\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2020-11-09T02:32:47+00:00\",\"author\":{\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"A common heterocyclic compound, 1145-01-3, name is 3,5-Diphenyl-1H-pyrazole, molecular formula is C15H12N2, 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. 1145-01-3.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=973#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=973\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=973#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"http:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"The origin of a common compound about 1145-01-3\"}]},{\"@type\":\"WebSite\",\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#website\",\"url\":\"http:\/\/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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