{"id":4864,"date":"2021-06-22T03:38:58","date_gmt":"2021-06-21T19:38:58","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4864"},"modified":"2021-06-22T03:38:58","modified_gmt":"2021-06-21T19:38:58","slug":"some-tips-on-5932-27-4","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4864","title":{"rendered":"Some tips on 5932-27-4"},"content":{"rendered":"

Reference of 5932-27-4<\/a>, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 5932-27-4, name is Ethyl 1H-pyrazole-3-carboxylate, This compound has unique chemical properties. The synthetic route is as follows.<\/p>\n

A mixture of ethyl 1H-pyrazole-3-carboxylate (1.4 g, 9.66 mmol), 4-(bromomethyl)- 1,2-difluorobenzene (1.0 g, 4.83 mmol) and potassium hydroxide (0.27 g, 4.83 mmol) in tetrahydrofuran (100 mL) was stirred at 70 \u00b0C for 12H. After cooling to RT, the mixture was filtered and the filtrate was concentrated to dryness in vacuo. The resulting residue was purified by column chromatography (silica gel, 100-200 mesh, 0 to 100percent) ethyl acetate in petroleum ether) to afford ethyl l -(3,4-difluorobenzyl)-1H-imidazole-4-carboxylate (1.2 g, 93percent yield) as white solid: LCMS (0 to 60percent acetonitrile in water + 0.03percent trifluoroacetic acid over 2 mins) retention timel .25 min, ESI+ found [M+H] = 266.9.<\/p>\n

The chemical industry reduces the impact on the environment during synthesis Ethyl 1H-pyrazole-3-carboxylate. I believe this compound will play a more active role in future production and life.<\/p>\n

Reference:
Patent; GENENTECH, INC.; F. HOFFMANN-LA ROCHE AG; PATEL, Snahel; HAMILTON, Gregory; STIVALA, Craig; CHEN, Huifen; ZHAO, Guiling; (1236 pag.)WO2017\/4500; (2017); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

The chemical industry reduces the impact on the environment during synthesis Ethyl 1H-pyrazole-3-carboxylate. I believe this compound will play a more active role in future production and life.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[170,131],"tags":[126],"class_list":["post-4864","post","type-post","status-publish","format-standard","hentry","category-5932-27-4","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nSome tips on<\/title>\n<meta name=\"description\" content=\"Reference of 5932-27-4, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 5932-27-4, name is Ethyl 1H-pyrazole-3-carboxylate, This compound has unique chemical properties. The synthetic route is as follows.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.pyrazoles-derivatives.com\/?p=4864\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Some tips on\" \/>\n<meta property=\"og:description\" content=\"Reference of 5932-27-4, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 5932-27-4, name is Ethyl 1H-pyrazole-3-carboxylate, This compound has unique chemical properties. 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