{"id":5160,"date":"2021-07-06T04:05:10","date_gmt":"2021-07-05T20:05:10","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=5160"},"modified":"2021-07-06T04:05:10","modified_gmt":"2021-07-05T20:05:10","slug":"new-downstream-synthetic-route-of-26308-42-9","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=5160","title":{"rendered":"New downstream synthetic route of 26308-42-9"},"content":{"rendered":"

In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 26308-42-9 as follows. category: pyrazoles-derivatives<\/a><\/p>\n

Example 252 Production of N-{2-chloro-5-[(2-{[(2-methylcyclopropyl)carbonyl]amino}imidazo[1,2-b]pyridazin-6-yl)oxy]phenyl}-3-ethyl-1-methyl-1H-pyrazole-5-carboxamide Using 3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid (181 mg, 1.17 mmol), tetrahydrofuran (4.5 mL), N,N-dimethylformamide (30 muL, 0.39 mmol), oxalyl chloride (102 muL, 1.17 mmol), N-[6-(3-amino-4-chlorophenoxy)imidazo[1,2-b]pyridazin-2-yl]-2-methylcyclopropanecarboxamide (300 mg, 0.84 mmol) and N,N-dimethylacetamide (6.0 mL), and in the same manner as in Example 249, the title compound (207 mg, 50%) was obtained as a white powder. 1H-NMR (DMSO-d6, 300 MHz) delta 0.61-0.73 (1H, m), 0.97-1.04 (1H, m), 1.05-1.09 (3H, m), 1.16-1.25 (1H, m), 1.19 (3H, t, J=7.5 Hz), 1.62-1.73 (1H, m), 2.55 (2H, q, J=7.5 Hz), 3.99 (3H, s), 6.88 (1H, s), 7.08 (1H, d, J=9.5 Hz), 7.21-7.27 (1H, m), 7.53 (1H, d, J=3.0 Hz), 7.62 (1H, d, J=8.7 Hz), 7.94 (1H, s), 8.05 (1H, d, J=9.5 Hz), 10.00 (1H, s), 10.99 (1H, s).<\/p>\n

According to the analysis of related databases, 26308-42-9, the application of this compound in the production field has become more and more popular.<\/p>\n

Reference:
Patent; TAKEDA PHARMACEUTICAL COMPANY LIMITED; US2009\/137595; (2009); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

According to the analysis of related databases, 26308-42-9, the application of this compound in the production field has become more and more popular.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[130,131],"tags":[126],"class_list":["post-5160","post","type-post","status-publish","format-standard","hentry","category-26308-42-9","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nNew downstream synthetic route of<\/title>\n<meta name=\"description\" content=\"In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. 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