{"id":4273,"date":"2021-05-26T05:00:02","date_gmt":"2021-05-25T21:00:02","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4273"},"modified":"2021-05-26T05:00:02","modified_gmt":"2021-05-25T21:00:02","slug":"extended-knowledge-of-17635-45-9","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4273","title":{"rendered":"Extended knowledge of 17635-45-9"},"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. 17635-45-9, name is 4-Pyrazol-1-yl-phenylamine, A new synthetic method of this compound is introduced below., <a href=\"https:\/\/www.ambeed.com\/products\/17635-45-9.html\">category: pyrazoles-derivatives<\/a><\/p>\n<p>Example 274 Synthesis of 5-(4-(1H-pyrazol-1-yl)phenylamino)-7-(cyclopropylamino)-2-methylpyrazolo[1,5-a]pyrimidine-3-carbaldehyde To 4-(1H-pyrazol-1-yl)aniline (54 mg, 0.34 mmol), Cs2CO3 (130 mg, 0.4 mmol) were added to tert-butyl 5-chloro-3-formyl-2-methylpyrazolo[1,5-a]pyrimidin-7-yl(cyclopropyl)carbamate (100 mg, 0.29 mmol) dissolved in 1,4-dioxane (1.1 mL). Racemic BINAP (11 mg, 0.017 mmol) and palladium(II) acetate (8 mg, 0.011 mmol) were then added. The mixture was sealed and irradiated at 110\u00b0 C. for 60 min in the microwave. Et2O (3 mL) was added and the solution was filtered. The filtrate was concentrated in vacuo. The crude residue was dissolved in dichloromethane (1.5 mL) and trifluoroacetic acid (1.5 mL). After stirring at room temperature for 1 hour, the solution was concentrated under a stream of air. The crude material was purified by silica gel chromatography (15percent acetone\/dichloromethane) to yield the product, 5-(4-(1H-pyrazol-1-yl)phenylamino)-7-(cyclopropylamino)-2-methylpyrazolo[1,5-a]pyrimidine-3-carbaldehyde (24 mg, 23percent yield). LCMS (M+1=374)<\/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=US9303033&#038;F=0\">Patent; SENHWA BIOSCIENCES, INC.; Haddach, Mustapha; Tran, Joe A.; Pierre, Fabrice; Regan, Collin F.; Raffaele, Nicholas; Ravula, Suchitra; Ryckman, David M.; (417 pag.)US9303033; (2016); B2;<\/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":[345,131],"tags":[126],"class_list":["post-4273","post","type-post","status-publish","format-standard","hentry","category-17635-45-9","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>Extended knowledge of<\/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. 17635-45-9, name is 4-Pyrazol-1-yl-phenylamine, A new synthetic method of this compound is introduced below., category: pyrazoles-derivatives\" \/>\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=4273\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Extended knowledge of\" \/>\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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