{"id":4398,"date":"2021-06-01T03:59:39","date_gmt":"2021-05-31T19:59:39","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4398"},"modified":"2021-06-01T03:59:39","modified_gmt":"2021-05-31T19:59:39","slug":"sources-of-common-compounds-1145-01-3","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4398","title":{"rendered":"Sources of common compounds: 1145-01-3"},"content":{"rendered":"

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 1145-01-3, name is 3,5-Diphenyl-1H-pyrazole, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 1145-01-3<\/a><\/p>\n

General procedure: A mixture of chalcone (1d) (208 mg, 1.0 mmol) and TsNHNH2 (205 mg, 1.1 mmol) in EtOH (2 mL) were stirred at room temperature for 48 h and then EtOH (2 mL), NaOH (44.0 mg, 1.1 mmol) were added and the mixture was heated at reflux for 15 h, then the solvent was removed under reduced pressure, then CH3CN (4 mL), NaOH (60 mg, 1.5 mmol) and benzyl bromide (255 mg, 1.5 mmol) were subsequently added and the mixture was stirred at room temperature for 2 h. The product was extracted with Et2O and the organic layer was washed with brine, dried over anhydrous MgSO4, filtered, and concentrated in vacuo. Purification by chromatography on silica gel afforded the desired product 4n as white crystalline solid (276 mg, 89% yield). Mp 114-117 C; deltaH (400 MHz, CDCl3) 5.38 (2H, s), 6.66 (1H, s), 7.09 (2H, d, J 7.2 Hz), 7.21-7.30 (4H, m), 7.32-7.42 (7H, m), 7.87 (2H, d, J 7.2 Hz); deltaC (100 MHz, CDCl3) 53.2, 103.7, 125.6, 126.7, 127.4, 127.6, 128.55, 128.56, 128.6, 128.8, 130.6, 133.4, 137.7, 145.4, 150.9; HRMS (ESI): MH+, found 311.1536. C22H19N2 requires 311.1543, numax (liquid film) 3060, 2955, 2924, 2853, 1452, 1361, 1307 cm-1.<\/p>\n

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 1145-01-3.<\/p>\n

Reference:
Article; Tang, Meng; Zhang, Fu-Min; Tetrahedron; vol. 69; 5; (2013); p. 1427 – 1433;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 1145-01-3.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[184,131],"tags":[127],"class_list":["post-4398","post","type-post","status-publish","format-standard","hentry","category-1145-01-3","category-pyrazoles-derivatives","tag-m-w200-300"],"yoast_head":"\nSources of common compounds:<\/title>\n<meta name=\"description\" content=\"Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 1145-01-3, name is 3,5-Diphenyl-1H-pyrazole, This compound has unique chemical properties. 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