{"id":5572,"date":"2021-07-28T05:54:35","date_gmt":"2021-07-27T21:54:35","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=5572"},"modified":"2021-07-28T05:54:35","modified_gmt":"2021-07-27T21:54:35","slug":"a-new-synthetic-route-of-methyl-5-nitro-1h-pyrazole-3-carboxylate-2","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=5572","title":{"rendered":"A new synthetic route of Methyl 5-nitro-1H-pyrazole-3-carboxylate"},"content":{"rendered":"

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. 181585-93-3, name is Methyl 5-nitro-1H-pyrazole-3-carboxylate belongs to pyrazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below. Product Details of 181585-93-3<\/a><\/p>\n

To a solution of 2-methyl-5-nitro-2H-pyrazole-3-carboxylic acid methyl ester and 1-methyl-5-nitro-1H-pyrazole-3-carboxylic acid methyl ester (1.18 g, 6.37 mmo 1) in tetrahydro furan (20 mL) at 0C was added a lithium aluminum hydride solution (1 .OM in tetrahydrofuran, 7.65 mL, 7.65 mmol) drop wise. The resulting mixture was stirred at 0C for 20 min. To this solution was added ethyl acetate (1 mL) followed by few crystals of sodium sulphate decahydrate. The resulting mixture was stirred for 30 min then filtered, the filter cake washed with ethyl acetate and the filtrate evaporated. The residue was purified by flash chromatography (silica gel, 80 g, 50% to 70% ethyl acetate in hexanes) to give 1-methyl-3-nitro-1H-pyrazol-5-yl)methanol (496 mg, 50%) as a white solid. 1H NMR (300 MHz, DMSO-d6) delta ppm 3.90 (s, 3 H) 4.53 (d, J=5.67 Hz, 2 H) 5.55 (t, J=5.48 Hz, 1 H) 6.93 (s, 1 H).<\/p>\n

The synthetic route of 181585-93-3 has been constantly updated, and we look forward to future research findings.<\/p>\n

Reference:
Patent; F. HOFFMANN-LA ROCHE AG; BROTHERTON-PLEISS, Christine; JAIME-FIGUEROA, Saul; LOPEZ-TAPIA, Francisco Javier; LOU, Yan; OWENS, Timothy D.; WO2013\/24078; (2013); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 181585-93-3 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":[425,131],"tags":[126],"class_list":["post-5572","post","type-post","status-publish","format-standard","hentry","category-181585-93-3","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nA new synthetic route of<\/title>\n<meta name=\"description\" content=\"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. 181585-93-3, name is Methyl 5-nitro-1H-pyrazole-3-carboxylate belongs to pyrazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below. 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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":"A new synthetic route of","description":"In the next few decades, the world population will flourish. 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