{"id":6185,"date":"2021-09-06T03:31:22","date_gmt":"2021-09-05T19:31:22","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=6185"},"modified":"2021-09-06T03:31:22","modified_gmt":"2021-09-05T19:31:22","slug":"6-sep-21-news-research-on-new-synthetic-routes-about-20154-03-4","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=6185","title":{"rendered":"6-Sep-21 News Research on new synthetic routes about 20154-03-4"},"content":{"rendered":"

Related Products of 20154-03-4<\/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. 20154-03-4, name is 3-(Trifluoromethyl)-1H-pyrazole belongs to pyrazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below.<\/p>\n

NaH (33.08 g (19.85 mol, 60 percent) was washed with n-hexane, then dry DMF (500 mL) was added drop wise under N2 atmosphere and the mixture was stirred well. A solution of 3- (trif luoromethyl)- 1 H-pyrazole (75 g, 0.55 mol) in DMF (125 mL) was added drop wise under N2 atmosphere. Then a solution of 4-methoxylbenzyl chloride (86.3 g, 0.55 mol) in DMF (125 mL) was added drop wise and the overall reaction mixture was allowed to stir for 12 h at room temperature. Progress of the reaction was monitored by TLC (10 percent ethyl acetate\/hexane, Rf~0.4). On completion of the reaction, the reaction contents were poured into ice water (500 mL) and the product was extracted with ethyl acetate (2 Chi 400 mL). The ethyl acetate layer was washed with 2N HCI (2 x 200ml). Then the contents were dried over sodium sulfate and concentrated under reduced pressure. The obtained crude was purified by CC with 10percent ethyl acetate\/n-hexane to yield 1 -(4-methoxybenzyl)-3-(trifluoromethyl)-1 H- pyrazole as a brown colored liquid (98 g, 70 percent). 400 mL). The ethyl acetate layer was washed with 2N HCI (2 x 200ml). Then the contents were dried over sodium sulfate and concentrated under reduced pressure. The obtained crude was purified by CC with 10percent ethyl acetate\/n-hexane to yield 1 -(4-methoxybenzyl)-3-(trifluoromethyl)-1 H- pyrazole as a brown colored liquid (98 g, 70 percent).<\/p>\n

The synthetic route of 3-(Trifluoromethyl)-1H-pyrazole has been constantly updated, and we look forward to future research findings.<\/p>\n

Reference:
Patent; GRUeNENTHAL GMBH; FRANK, Robert; CHRISTOPH, Thomas; DAMANN, Nils; LESCH, Bernhard; BAHRENBERG, Gregor; SAUNDERS, Derek John; STOCKHAUSEN, Hannelore; KIM, Yong-Soo; KIM, Myeong-Seop; LEE, Jeewoo; WO2013\/68464; (2013); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 3-(Trifluoromethyl)-1H-pyrazole 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":[205,131],"tags":[126],"class_list":["post-6185","post","type-post","status-publish","format-standard","hentry","category-20154-03-4","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nResearch on new synthetic routes about<\/title>\n<meta name=\"description\" content=\"Related Products of 20154-03-4, 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. 20154-03-4, name is 3-(Trifluoromethyl)-1H-pyrazole 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=6185\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Research on new synthetic routes about\" \/>\n<meta property=\"og:description\" content=\"Related Products of 20154-03-4, In the next few decades, the world population will flourish. 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