{"id":3652,"date":"2021-04-27T07:53:05","date_gmt":"2021-04-26T23:53:05","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=3652"},"modified":"2021-04-27T07:53:05","modified_gmt":"2021-04-26T23:53:05","slug":"the-important-role-of-3-methyl-4-nitro-1h-pyrazole","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=3652","title":{"rendered":"The important role of 3-Methyl-4-nitro-1H-pyrazole"},"content":{"rendered":"

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. 5334-39-4, name is 3-Methyl-4-nitro-1H-pyrazole belongs to pyrazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below. Safety of 3-Methyl-4-nitro-1H-pyrazole<\/a><\/p>\n

A mixture of 3-methyl-4-nitro-lH-pyrazole ( 5 g, 39.34 rnmol), 2-bromoethanoi (9.83 g,78.68 mmol, 5.59 mL) and K2CO3 (16.31 g, 118.02 mmol) in CCN (50 mL) was degassed and purged with N2 for 3 times, and then the mixture was stirred at 80 C for 16 h under N2. The mixture was cooled to 20 C and concentrated under reduced pressure. The residue was poured into ice water (100 mL). The aqueous phase was extracted with EtOAc (3 chi 35 mL). The combined organic phase was washed with brine (35 mL), dried over anhydrous NaaSC^, filtered and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (PE:EtOAc = 2: 1), to give 2-(5-methyl-4-nitro-pyrazol- 1 -yl)ethanol and 2-(3-methyl-4-nitro-pyrazol-1-yl)ethanol as a yellow oil. LCMS: RT 0.161 min, m\/z = 172.2 [M+H]~. -1 NMR (400 MHz, CDC13): delta 8.20 (s, 1 H), 8.03 (s, 1 H), 4.14 – 4.22 (rn, 4 H), 3.94 – 4.03 (m, 4 H), 3.07 (d, 1=5.27 Hz, 2 H), 2.64 (s, 3 H), 2.47 (s, 3 H).<\/p>\n

The synthetic route of 5334-39-4 has been constantly updated, and we look forward to future research findings.<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 5334-39-4 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":[216,131],"tags":[126],"class_list":["post-3652","post","type-post","status-publish","format-standard","hentry","category-5334-39-4","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nThe important role of 3-Methyl-4-nitro-1H-pyrazole<\/title>\n<meta name=\"description\" content=\"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. 5334-39-4, name is 3-Methyl-4-nitro-1H-pyrazole belongs to pyrazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below. Safety of 3-Methyl-4-nitro-1H-pyrazole\" \/>\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=3652\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The important role of 3-Methyl-4-nitro-1H-pyrazole\" \/>\n<meta property=\"og:description\" content=\"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. 5334-39-4, name is 3-Methyl-4-nitro-1H-pyrazole belongs to pyrazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below. 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