{"id":5261,"date":"2021-07-09T03:41:44","date_gmt":"2021-07-08T19:41:44","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=5261"},"modified":"2021-07-09T03:41:44","modified_gmt":"2021-07-08T19:41:44","slug":"introduction-of-a-new-synthetic-route-about-3-bromo-1-methyl-1h-pyrazole","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=5261","title":{"rendered":"Introduction of a new synthetic route about 3-Bromo-1-methyl-1H-pyrazole"},"content":{"rendered":"

Adding a certain compound to certain chemical reactions, such as: 151049-87-5, name is 3-Bromo-1-methyl-1H-pyrazole, 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 151049-87-5, Recommanded Product: 151049-87-5<\/a><\/p>\n

Preparation 45 (1126) -methoxy-4-(1 -methyl-1 -\/-pyrazol-3-yl)aniline (1127) (1128) To a solution of 2-methoxy-4-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)aniline (310 mg, 1 .244 mmol) and 3-bromo-1 -methyl-1 -\/-pyrazole (154 mg, 0.957 mmol) in THF (3 ml_) was added Pd(dppf)Cl2-DCM (40 mg, 0.049 mmol) and 2M aqueous Na2CC>3 (1 ml_) and the reaction was heated to 65 C for 18 hours. The reaction was diluted with EtOAc and water. The aqueous layer was extracted with EtOAc, the combined organic layers were washed with water and brine, dried (MgS04) and concentrated in vacuo. The residue was purified by silica gel column chromatography eluting with 0-60% EtOAc in cyclohexane to afford the title compound (34 mg, 18%). (1129) 1 H NMR (500 MHz, CDCI3): delta ppm 7.33 (d, J = 18.8 Hz, 2H), 7.28 (d, J = 1 .2 Hz, 2H), 7.20 (d, J = 7.9 Hz, 1 H), 6.74 (dd, J = 7.9, 1 .2 Hz, 1 H), 6.45 (dd, J = 2.2, 1 .2 Hz, 1 H), 3.95 (m, 6H), 3.85 (br s, 2H). (1130) HRMS (ESI) MS m\/z calcd for C11 H14N3O [M+H]+ 204.1 131 , found 204.1 141 .<\/p>\n

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it.<\/p>\n

Reference:
Patent; CANCER RESEARCH TECHNOLOGY LIMITED; WOODWARD, Hannah; INNOCENTI, Paolo; NAUD, Sebastien; BLAGG, Julian; HOELDER, Swen; WO2015\/128676; (2015); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it.<\/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-5261","post","type-post","status-publish","format-standard","hentry","category-151049-87-5","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nIntroduction of a new synthetic route about<\/title>\n<meta name=\"description\" content=\"Adding a certain compound to certain chemical reactions, such as: 151049-87-5, name is 3-Bromo-1-methyl-1H-pyrazole, 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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