{"id":5238,"date":"2021-07-08T03:19:33","date_gmt":"2021-07-07T19:19:33","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=5238"},"modified":"2021-07-08T03:19:33","modified_gmt":"2021-07-07T19:19:33","slug":"introduction-of-a-new-synthetic-route-about-c11h5cl2f3n4","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=5238","title":{"rendered":"Introduction of a new synthetic route about C11H5Cl2F3N4"},"content":{"rendered":"

Related Products of 120068-79-3<\/a>,Some common heterocyclic compound, 120068-79-3, name is 5-Amino-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-1H-pyrazole-3-carbonitrile, molecular formula is C11H5Cl2F3N4, 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 12; To a glass reactor having a central vertical stirrer, a vertical condenser & a dip tube for passing chlorine gas, was charged 730 ml of 3N HC1 in 83.4gm of carbon disulfide, 388gm chlorine gas bubbled over 10 hrs at 24- 25C. Reaction was terminated when carbon disulfide was < 1%. Trichloromethylsulfenyl chloride, 193 gm was obtained after work up & fractionation.Trichloromethylsulfenyl chloride (193 gm) was added in to a mixture of 500 gm water & 100 ml methylene dichloride, along with 83gm Sulfur dioxide gas at 10C, over a period of 4 hrs. Reaction was terminated, when trichloromethyl sulfenyl chloride was <1%. Layer separation gave 228 g of thiophosgene which was added to a stirred mixture of 175 gm activated KF, 1 10 gm ortho-chlorobenzyl chloride and 340 gm spherogel (with 2mm diameter), at 60C, over a period of 3hrs & further maintained at 60C for 2 hrs gave 98% conversion. ortho-Chlorobenzyl trifluoromethylsulfide (138 gms) was isolated by filtration, followed by distillation, which was added to 500 ml methylene chloride, cooled to 0 to 10C & 41 gm chlorine gas was bubbled into it, the reaction was maintained for 2 hrs & then heated slowly to 40-45C. Generated trifluoromethylsulfenyl chloride was passed in to a solution of 5-amino-3-cyano-l-(2,6-dichloro-4- trifluoromethyl phenyl)-pyrazole in methylene dichloride to get 225 g of 5- amino-l-(2,6-dichloro-4-trifluoromethylphenyl)-3-cyano-4-trifluoromethyl thiopyrazole.\n\nThese compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 5-Amino-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-1H-pyrazole-3-carbonitrile, its application will become more common.\n\nReference:
Patent; GHARDA, Keki Hormusji; WO2011\/107998; (2011); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 5-Amino-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-1H-pyrazole-3-carbonitrile, its application will become more common.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[166,131],"tags":[167],"class_list":["post-5238","post","type-post","status-publish","format-standard","hentry","category-120068-79-3","category-pyrazoles-derivatives","tag-m-w300-400"],"yoast_head":"\nIntroduction of a new synthetic route about<\/title>\n<meta name=\"description\" content=\"Related Products of 120068-79-3,Some common heterocyclic compound, 120068-79-3, name is 5-Amino-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-1H-pyrazole-3-carbonitrile, molecular formula is C11H5Cl2F3N4, 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=5238\" \/>\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\" \/>\n<meta property=\"og:description\" content=\"Related Products of 120068-79-3,Some common heterocyclic compound, 120068-79-3, name is 5-Amino-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-1H-pyrazole-3-carbonitrile, molecular formula is C11H5Cl2F3N4, 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=5238\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-07T19:19:33+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=5238\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=5238\",\"name\":\"Introduction of a new synthetic route about\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-07-07T19:19:33+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Related Products of 120068-79-3,Some common heterocyclic compound, 120068-79-3, name is 5-Amino-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-1H-pyrazole-3-carbonitrile, molecular formula is C11H5Cl2F3N4, 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=5238#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=5238\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=5238#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 C11H5Cl2F3N4\"}]},{\"@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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