{"id":1450,"date":"2021-01-12T01:38:19","date_gmt":"2021-01-11T17:38:19","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1450"},"modified":"2021-01-12T01:38:19","modified_gmt":"2021-01-11T17:38:19","slug":"introduction-of-a-new-synthetic-route-about-866837-96-9","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1450","title":{"rendered":"Introduction of a new synthetic route about 866837-96-9"},"content":{"rendered":"

Application of 866837-96-9<\/a>, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 866837-96-9, name is Ethyl 5-amino-1-phenyl-1H-pyrazole-3-carboxylate belongs to pyrazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below.<\/p>\n

Ethyl 5-amino-1-phenyl-1H-pyrazole-3-carboxylate (498 mg) synthesized according to the method described in W02004\/98589 and 4-dimethylaminopyridine (21 mg) were dissolved in pyridine (10 mL), and benzenesulfonyl chloride (461 mg) was added at room temperature. After stirring at 85C for 8 hr, 1 mol\/L hydrochloric acid was added, and the mixture was extracted with ethyl acetate. The extract was washed with 1 mol\/L hydrochloric acid, water and saturated brine, dried over anhydrous sodium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (eluent: hexane-ethyl acetate=1:1?ethyl acetate), and the obtained solid was washed with a mixed solvent of diisopropyl ether and ethyl acetate to give the title compound as a brown powder (yield 445 mg, yield 69%). 1H-NMR(CDCl3)delta:1.40(3H,t,J=7.2Hz), 4.40(2H,q,J=7.2Hz), 5.29(1H,s), 6.79(1H,s), 7.07-7.10(2H,m), 7.35-7.49(5H,m), 7.60-7.65(1H,m), 7.68-7.72(2H,m).<\/p>\n

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, Ethyl 5-amino-1-phenyl-1H-pyrazole-3-carboxylate, other downstream synthetic routes, hurry up and to see.<\/p>\n","protected":false},"excerpt":{"rendered":"

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, Ethyl 5-amino-1-phenyl-1H-pyrazole-3-carboxylate, other downstream synthetic routes, hurry up and to see.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[295,131],"tags":[127],"class_list":["post-1450","post","type-post","status-publish","format-standard","hentry","category-866837-96-9","category-pyrazoles-derivatives","tag-m-w200-300"],"yoast_head":"\nIntroduction of a new synthetic route about 866837-96-9<\/title>\n<meta name=\"description\" content=\"Application of 866837-96-9, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 866837-96-9, name is Ethyl 5-amino-1-phenyl-1H-pyrazole-3-carboxylate belongs to pyrazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below.\" \/>\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=1450\" \/>\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 866837-96-9\" \/>\n<meta property=\"og:description\" content=\"Application of 866837-96-9, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 866837-96-9, name is Ethyl 5-amino-1-phenyl-1H-pyrazole-3-carboxylate belongs to pyrazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pyrazoles-derivatives.com\/?p=1450\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-01-11T17:38:19+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=1450\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=1450\",\"name\":\"Introduction of a new synthetic route about 866837-96-9\",\"isPartOf\":{\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-01-11T17:38:19+00:00\",\"author\":{\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Application of 866837-96-9, In the next few decades, the world population will flourish. 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Pyrazole derivatives play an important role in antitumor agents.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\/\/www.pyrazoles-derivatives.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\",\"name\":\"Jessica.F\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/weavatar.com\/avatar\/2d1cec2a99eeaad5a5b217c9cdbfb610?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/weavatar.com\/avatar\/2d1cec2a99eeaad5a5b217c9cdbfb610?s=96&d=mm&r=g\",\"caption\":\"Jessica.F\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Introduction of a new synthetic route about 866837-96-9","description":"Application of 866837-96-9, In the next few decades, the world population will flourish. 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