{"id":1700,"date":"2021-02-08T05:02:59","date_gmt":"2021-02-07T21:02:59","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1700"},"modified":"2021-02-08T05:02:59","modified_gmt":"2021-02-07T21:02:59","slug":"the-important-role-of-1260243-04-6","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1700","title":{"rendered":"The important role of 1260243-04-6"},"content":{"rendered":"

Adding a certain compound to certain chemical reactions, such as: 1260243-04-6, name is Ethyl 5-amino-1H-pyrazole-4-carboxylate, belongs to pyrazoles-derivatives compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 1260243-04-6, HPLC of Formula: C6H9N3O2<\/a><\/p>\n

General procedure: A mixture of ethyl-5-amino-1H-pyrazole-4-carboxylate 1 (1.0 mmol), an appropriate aldehyde 2 (1.0 mmol) and aterminal alkyne 3 (1.0 mmol) in acetic acid (5 mL) was stirred at 25 C for 10 min. The mixture was then stirred at 60 C under ultrasound using a laboratory ultrasonic bath SONOREX SUPER RK 510H model producing irradiationof 35 kHz for 30 min in the presence of air. The increase of bath temperature beyond 60 C due to the prolonged ultrasound irradiation was controlled by adding cold water time to time. After completion of the reaction the mixture was cooled to room temperature, poured into ethyl acetate (25 mL) and washed with brine solution (2 x 15 mL) followed by 10% NaHCO3 solution (2 x 15 mL). The organiclayer was collected, dried over anhydrous Na2SO4, filteredand concentrated under low vacuum. The residue isolatedwas purified by column chromatography over silica gel using3-8% petroleum ether-EtOAc to give the desired product.<\/p>\n

At the same time, in my other blogs, there are other synthetic methods of this type of compound, Ethyl 5-amino-1H-pyrazole-4-carboxylate, and friends who are interested can also refer to it.<\/p>\n","protected":false},"excerpt":{"rendered":"

At the same time, in my other blogs, there are other synthetic methods of this type of compound, Ethyl 5-amino-1H-pyrazole-4-carboxylate, and friends who are interested can also refer to it.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[213,131],"tags":[126],"class_list":["post-1700","post","type-post","status-publish","format-standard","hentry","category-1260243-04-6","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nThe important role of 1260243-04-6<\/title>\n<meta name=\"description\" content=\"Adding a certain compound to certain chemical reactions, such as: 1260243-04-6, name is Ethyl 5-amino-1H-pyrazole-4-carboxylate, belongs to pyrazoles-derivatives compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 1260243-04-6, HPLC of Formula: C6H9N3O2\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.pyrazoles-derivatives.com\/?p=1700\" \/>\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 1260243-04-6\" \/>\n<meta property=\"og:description\" content=\"Adding a certain compound to certain chemical reactions, such as: 1260243-04-6, name is Ethyl 5-amino-1H-pyrazole-4-carboxylate, belongs to pyrazoles-derivatives compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. 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