{"id":2070,"date":"2021-03-09T03:21:16","date_gmt":"2021-03-08T19:21:16","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=2070"},"modified":"2021-03-09T03:21:16","modified_gmt":"2021-03-08T19:21:16","slug":"introduction-of-a-new-synthetic-route-about-1260243-04-6","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=2070","title":{"rendered":"Introduction of a new synthetic route about 1260243-04-6"},"content":{"rendered":"

Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 1260243-04-6, name is Ethyl 5-amino-1H-pyrazole-4-carboxylate, A new synthetic method of this compound is introduced below., COA 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 \u00a1\u00e3C for 10 min. The mixture was then stirred at 60 \u00a1\u00e3C 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 \u00a1\u00e3C 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 10percent 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 using3-8percent petroleum ether-EtOAc to give the desired product.<\/p>\n

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.<\/p>\n","protected":false},"excerpt":{"rendered":"

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.<\/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-2070","post","type-post","status-publish","format-standard","hentry","category-1260243-04-6","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nIntroduction of a new synthetic route about 1260243-04-6<\/title>\n<meta name=\"description\" content=\"Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 1260243-04-6, name is Ethyl 5-amino-1H-pyrazole-4-carboxylate, A new synthetic method of this compound is introduced below., COA 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=\"https:\/\/www.pyrazoles-derivatives.com\/?p=2070\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Introduction of a new synthetic route about 1260243-04-6\" \/>\n<meta property=\"og:description\" content=\"Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. 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