{"id":1820,"date":"2021-02-22T05:08:09","date_gmt":"2021-02-21T21:08:09","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1820"},"modified":"2021-02-22T05:08:09","modified_gmt":"2021-02-21T21:08:09","slug":"analyzing-the-synthesis-route-of-151049-87-5","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1820","title":{"rendered":"Analyzing the synthesis route of 151049-87-5"},"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. 151049-87-5, name is 3-Bromo-1-methyl-1H-pyrazole, A new synthetic method of this compound is introduced below., Application In Synthesis of 3-Bromo-1-methyl-1H-pyrazole<\/a><\/p>\n

To a mixture of 8-3 (80 mg, 0.21 mmol, 1.0 eq) and 8-3a (44 mg, 0.27 mmol, 1.3 eq) in dioxane (3 mL) and H20 (0.15 mL) was added Na2CC>3 (44 mg, 0.42 mmol, 2.0 eq) and Pd(dppf)Cl2 (16 mg, 21 umol, 0.1 eq) in one portion under N2. The mixture was stirred at 100 C for 16 h. LCMS showed the starting material was consumed completely and one peak with desired MS was detected. The reaction mixture was concentrated under reduced pressure to remove solvent, and then added CH3CN (5 mL), filtered to give a black-brown liquid. The residue was purified by prep-HPLC. LCMS and XH NMR confirmed that Compound 8 was obtained (2.20 mg, 6.4 umol, 3.0% yield). LCMS (ESI): RT = 0.835 min, mass calcd. For C17H23N3O2S, 333.15 m\/z found 333.9[M+H]+ 1H NMR (400MHz, CDC13) delta 8.44 (br d, J= 7.20 Hz, 1H), 8.04 (s, 1H), 7.64 (br d, J= 8.00 Hz, 1H), 7.41 (br s, 1H), 6.76 (br d, J= 8.80 Hz, 1H), 6.68 (s, 1H), 3.96 (s, 3H), 3.54 (br s, 1H), 3.04 (s, 3H), 2.10 – 2.00 (m, 2H), 1.87 – 1.75 (m, 2H), 1.68 – 1.55 (m, 2H), 1.50 – 1.42 (m, 3H).<\/p>\n

The synthetic route of 151049-87-5 has been constantly updated, and we look forward to future research findings.<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 151049-87-5 has been constantly updated, and we look forward to future research findings.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[331,131],"tags":[126],"class_list":["post-1820","post","type-post","status-publish","format-standard","hentry","category-151049-87-5","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nAnalyzing the synthesis route of 151049-87-5<\/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. 151049-87-5, name is 3-Bromo-1-methyl-1H-pyrazole, A new synthetic method of this compound is introduced below., Application In Synthesis of 3-Bromo-1-methyl-1H-pyrazole\" \/>\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=1820\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Analyzing the synthesis route of 151049-87-5\" \/>\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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