{"id":3870,"date":"2021-05-08T04:09:11","date_gmt":"2021-05-07T20:09:11","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=3870"},"modified":"2021-05-08T04:09:11","modified_gmt":"2021-05-07T20:09:11","slug":"new-learning-discoveries-about-tert-butyl-3-amino-5-methyl-1h-pyrazole-1-carboxylate","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=3870","title":{"rendered":"New learning discoveries about tert-Butyl 3-amino-5-methyl-1H-pyrazole-1-carboxylate"},"content":{"rendered":"

In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 578008-32-9 as follows. Recommanded Product: 578008-32-9<\/a><\/p>\n

tert-Butyl 3-({3-[(1S)-2-methoxy-(1-methylethyl)oxy]-5-[4- (methylsulfonyl)phenoxy]benzoyl}amino)-5-methyl-1H-pyrazole-1-carboxylate; HATU (500 mg, 1.31 mmol) was added to 3-{(1S)-2-methoxy-(1-methylethyl)oxy}-5-{[4- (methylsulfonyl) phenyl] oxy} benzoic acid (400 mg, 1.05 mmol) followed by addition of DMF (6 mL), DIPEA (0.47 mL) and tert-butyl 3-amino-5-methyl-lH-pyrazole-l-carboxylate (380 mg, 1.93 mmol). The reaction was stirred under argon for 72 h, then dissolved in saturated aqueous sodium hydrogencarbonate (30 mL) and ethyl acetate (50 mL). The organic layer was separated, washed with saturated aqueous ammonium chloride (30 mL), then dried (MgS04), filtered and evaporated. Purification by column chromatography eluting with 1: 1 to 2: 1 ethyl acetate : hexanes afforded the title compound (500 mg, 85%) as a foam. 1H NMR 8 (CDC13) : 1.37 (d, 3H), 1.62 (s, 9H), 2.54 (s, 3H), 3.08 (s, 3H), 3.40 (s, 3H), 3.58 (m, 2H), 4.60 (m, 1H), 6. 82 (m, 2H), 7. 08 (m, 1H), 7.15 (d, 2H), 7.30 (s, 1H), 7.93 (d, 2H), 8.52 (brs, 1H); only 558 (M-H)-<\/p>\n

According to the analysis of related databases, 578008-32-9, the application of this compound in the production field has become more and more popular.<\/p>\n","protected":false},"excerpt":{"rendered":"

According to the analysis of related databases, 578008-32-9, 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":[330,131],"tags":[126],"class_list":["post-3870","post","type-post","status-publish","format-standard","hentry","category-578008-32-9","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nNew learning discoveries about tert-Butyl 3-amino-5-methyl-1H-pyrazole-1-carboxylate<\/title>\n<meta name=\"description\" content=\"In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 578008-32-9 as follows. Recommanded Product: 578008-32-9\" \/>\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=3870\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New learning discoveries about tert-Butyl 3-amino-5-methyl-1H-pyrazole-1-carboxylate\" \/>\n<meta property=\"og:description\" content=\"In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 578008-32-9 as follows. 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