{"id":4696,"date":"2021-06-15T04:35:52","date_gmt":"2021-06-14T20:35:52","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4696"},"modified":"2021-06-15T04:35:52","modified_gmt":"2021-06-14T20:35:52","slug":"introduction-of-a-new-synthetic-route-about-176969-34-9","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4696","title":{"rendered":"Introduction of a new synthetic route about 176969-34-9"},"content":{"rendered":"<p>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. 176969-34-9, name is 3-(Difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylic acid, This compound has unique chemical properties. The synthetic route is as follows., <a href=\"https:\/\/www.ambeed.com\/products\/176969-34-9.html\">Recommanded Product: 3-(Difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylic acid<\/a><\/p>\n<p>General procedure: Under nitrogen atmosphere, carboxylic acid II (3mmol), EDCI (3.3 mmol), HOBT (3.3 mmol)and Et3N (1.8 mmol) were placed in a three-necked flask with 40 mL CH2Cl2, and stirred for 2 hat 0 C; then, compound I (2.4 mmol) was added to the flask and allowed to react for 3 h at 0 C.The reaction was monitored by thin-layer chromatography (TLC) (all reactions could be completed in3 h) and, on completion of the reaction, the mixture was washed with saturated NaHCO3 solutionand water, respectively. Then, it was dried over anhydrous Na2SO4, filtered and evaporated onrotavapor in vacuum. Subsequently, crude products III-1-III-18 were purified by silica gel columnchromatography [V (CH2Cl2): V (EA) = 3:1] and crude products III-19-III-36 were purified by silicagel column chromatography [V (PE): V (EA) = 3:1]. Finally, products were recrystallized with thedichloromethane\/petroleum ether to obtain pure target compounds.<\/p>\n<p>According to the analysis of related databases, 176969-34-9, the application of this compound in the production field has become more and more popular.<\/p>\n<p>Reference:<br \/><a href=\"https:\/\/doi.org\/10.3390\/molecules24142607\">Article; Zhang, Shen; Meng, Siqi; Xie, Yong; Yang, Yonggui; Zhang, Yumeng; He, Lu; Wang, Kai; Qi, Zhiqiu; Ji, Mingshan; Qin, Peiwen; Li, Xinghai; Molecules; vol. 24; 14; (2019);<\/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>According to the analysis of related databases, 176969-34-9, the application of this compound in the production field has become more and more popular.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[173,131],"tags":[126],"class_list":["post-4696","post","type-post","status-publish","format-standard","hentry","category-176969-34-9","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Introduction of a new synthetic route about<\/title>\n<meta name=\"description\" content=\"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. 176969-34-9, name is 3-(Difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylic acid, This compound has unique chemical properties. 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