{"id":5862,"date":"2021-08-13T03:58:56","date_gmt":"2021-08-12T19:58:56","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=5862"},"modified":"2021-08-13T03:58:56","modified_gmt":"2021-08-12T19:58:56","slug":"simple-exploration-of-1-4-nitrophenyl-1h-pyrazole","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=5862","title":{"rendered":"Simple exploration of 1-(4-Nitrophenyl)-1H-pyrazole"},"content":{"rendered":"<p><a href=\"https:\/\/www.ambeed.com\/products\/3463-30-7.html\">Synthetic Route of 3463-30-7<\/a>, These common heterocyclic compound, 3463-30-7, name is 1-(4-Nitrophenyl)-1H-pyrazole, its 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.<\/p>\n<p>Reference Example 13 4-(Pyrazol-1-yl)phenylamine Under hydrogen atmosphere, an ethanol solution (80 ml) of 1-(4-nitrophenyl)pyrazole (2.91 g) and 5percent palladium-carbon (1.4 g) was stirred at room temperature for 24 hours. After filtration of the catalyst, the filtrate was concentrated under reduced pressure and then purified by flash silica gel column chromatography (hexane:ethyl acetate = 1:1) to obtain the title compound (2.45 g) as a colorless oil. 1H-NMR (400 MHz, CDCl3) delta: 3.73 (2H, br s), 6.41 (1H, br s), 6.75 (2H, d, J=8.5 Hz), 7.44 (2H, d, J=8.5 Hz), 7.67 (1H, s), 7.78 (1H, s).<\/p>\n<p>The synthetic route of 3463-30-7 has been constantly updated, and we look forward to future research findings.<\/p>\n<p>Reference:<br \/><a href=\"\">Patent; DAIICHI PHARMACEUTICAL CO., LTD.; EP1612204; (2006); 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>The synthetic route of 3463-30-7 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":[229,131],"tags":[126],"class_list":["post-5862","post","type-post","status-publish","format-standard","hentry","category-3463-30-7","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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