{"id":6330,"date":"2021-09-14T07:12:50","date_gmt":"2021-09-13T23:12:50","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=6330"},"modified":"2021-09-14T07:12:50","modified_gmt":"2021-09-13T23:12:50","slug":"september-142021-news-analyzing-the-synthesis-route-of-179692-08-1","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=6330","title":{"rendered":"September 14,2021 News Analyzing the synthesis route of 179692-08-1"},"content":{"rendered":"<p>Some common heterocyclic compound, 179692-08-1, name is Ethyl 4-iodo-1H-pyrazole-5-carboxylate, molecular formula is C6H7IN2O2, 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. <a href=\"https:\/\/www.ambeed.com\/products\/179692-08-1.html\">Recommanded Product: Ethyl 4-iodo-1H-pyrazole-5-carboxylate<\/a><\/p>\n<p>At 0C, NaH (902.12 mg, 22.55 mmol, 60%) was added portionwise into a solution of Example 1A (5 g, 18.79 mmol) in DMF (30 mL) and stirred for 30 min. A solution of dibromodifluoromethane (9.00 g, 42.89 mmol) in DMF (30 mL) was added and stirred at 20C for 16 h. The reaction solution was quenched with water (100 mL) and extracted with ethyl acetate (50 mL * 3). The combined organic phase was washed with brine (100 mL), dried over anhydrous sodium sulfate, filtered and evaporated to give a residue. The residue was purified by column chromatography to give the title compound as a brown liquid (2 g, 26.95%). 1H NMR (400 MHz, CHLOROFORM-d) delta=8.00 (s, 1H), 4.48 (q, J=7.3 Hz, 2H), 1.45 (t, J=7.2 Hz, 3H).<\/p>\n<p>These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 179692-08-1, its application will become more common.<\/p>\n<p>Reference:<br \/><a href=\"http:\/\/v3.espacenet.com\/textdoc?DB=EPODOC&#038;IDX=EP3418282&#038;F=0\">Patent; Chai Tai Tianqing Pharmaceutical Group Co., Ltd.; Medshine Discovery Inc.; LIU, Shilan; WANG, Dahai; LIANG, Guibai; HU, Guoping; LI, Jian; CHEN, Shuhui; (167 pag.)EP3418282; (2018); A1;<\/a>,<br \/><a href=\"https:\/\/en.wikipedia.org\/wiki\/Pyrazole\">Pyrazole &#8211; Wikipedia<\/a>,<br \/><a href=\"https:\/\/www.sciencedirect.com\/topics\/chemistry\/pyrazoles\">Pyrazoles &#8211; an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"<p>These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 179692-08-1, 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":[318,131],"tags":[127],"class_list":["post-6330","post","type-post","status-publish","format-standard","hentry","category-179692-08-1","category-pyrazoles-derivatives","tag-m-w200-300"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Analyzing the synthesis route of<\/title>\n<meta name=\"description\" content=\"Some common heterocyclic compound, 179692-08-1, name is Ethyl 4-iodo-1H-pyrazole-5-carboxylate, molecular formula is C6H7IN2O2, 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. 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