{"id":4510,"date":"2021-06-04T03:21:20","date_gmt":"2021-06-03T19:21:20","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4510"},"modified":"2021-06-04T03:21:20","modified_gmt":"2021-06-03T19:21:20","slug":"new-learning-discoveries-about-3-isopropylpyrazole","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4510","title":{"rendered":"New learning discoveries about 3-Isopropylpyrazole"},"content":{"rendered":"<p>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. 49633-25-2, name is 3-Isopropylpyrazole, A new synthetic method of this compound is introduced below., <a href=\"https:\/\/www.ambeed.com\/products\/49633-25-2.html\">COA of Formula: C6H10N2<\/a><\/p>\n<p>Part A &#8211; 4-Bromo-3-isopropylpyrazole To a stirred solution of sodium acetate (19.7 g., 0.24 mole) in acetic acid (100 ml.) and water (15 ml.), 3-isopropylpyrazole (11.0 g., 0.1 mole) was added, followed by dropwise addition of bromine (16.0 g., 0.11 mole) keeping the internal temperature below 15 C. The mixture was kept at 25 C. for 15 hours, treated with water (200 ml.) and extracted with ethyl ether (3 * 50 ml.), and the ether layer washed with water (1 * 50 ml.) dried, (sodium sulfate) and evaporated under reduced pressure. The resultant pale yellow oil was distilled to give 4-bromo-3-isopropylpyrazole (15.3 g., 81%) with a boiling point of 85 C. at 0.06 mm Hg. Analysis: Calc&#8217;d. for C6 H9 BrN2: C, 38.11; H, 4.80; N, 14.82; Br, 42.27. Found: C, 37.91; H, 4.89; N, 14.83; Br, 42.15.<\/p>\n<p>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<p>Reference:<br \/><a href=\"http:\/\/v3.espacenet.com\/textdoc?DB=EPODOC&#038;IDX=US3957480&#038;F=0\">Patent; The Upjohn Company; US3957480; (1976); A;<\/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 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":[230,131],"tags":[126],"class_list":["post-4510","post","type-post","status-publish","format-standard","hentry","category-49633-25-2","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>New learning discoveries about<\/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. 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