{"id":1183,"date":"2020-12-04T10:13:01","date_gmt":"2020-12-04T02:13:01","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1183"},"modified":"2020-12-04T10:13:01","modified_gmt":"2020-12-04T02:13:01","slug":"continuously-updated-synthesis-method-about-1h-pyrazole-4-carbaldehyde","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1183","title":{"rendered":"Continuously updated synthesis method about 1H-Pyrazole-4-carbaldehyde"},"content":{"rendered":"

35344-95-7<\/a>, 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. 35344-95-7, name is 1H-Pyrazole-4-carbaldehyde, A new synthetic method of this compound is introduced below.<\/p>\n

Step B: 1-({2-tert-Butyl-1-[(trans-4-fluorocyclohexyl)methyl]-1H-benzimidazol-5-yl}sulfonyl)-1H-pyrazole-4-carbaldehyde2-tert-Butyl-1-[(4-fluorocyclohexyl)methyl]-1H-benzimidazole-5-sulfonyl chloride (400 mg, 1.03 mmol), pyrazole-4-carboxaldehyde (300 mg, 3.09 mmol) (see Example 126, step H for preparation) and DMAP (catalytic) were stirred in 10 mL of DCM containing DIPEA (0.90 mL, 5.15 mmol) at rt for 3 h. The solution was washed with saturated aqueous NaHCO3 solution, brine and dried over anhydrous MgSO4. The crude product was purified by flash chromatography on silica gel using hexanes\/EtOAc (1:1) as eluent. Yield: 131 mg (28percent). 1H NMR (400 MHz, CHLOROFORM-D) delta 1.16-1.26 (m, 2H), 1.35-1.48 (m, 2H), 1.54-1.56 (m, 9H), 1.72 (dd, J=8.69, 3.03 Hz, 2H), 1.95-2.04 (m, 1H), 2.11-2.19 (m, 2H), 4.17-4.21 (m, 2H), 4.37-4.46 (m, 1H), 4.50-4.59 (m, 1H), 7.44 (d, J=8.59 Hz, 1H), 7.96 (dd, J=8.69, 1.86 Hz, 1H), 8.08 (s, 1H), 8.44 (d, J=1.37 Hz, 1H), 8.64 (s, 1H), 9.91 (s, 1H).<\/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","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":[154,131],"tags":[145],"class_list":["post-1183","post","type-post","status-publish","format-standard","hentry","category-35344-95-7","category-pyrazoles-derivatives","tag-m-w0-100"],"yoast_head":"\nContinuously updated synthesis method about 1H-Pyrazole-4-carbaldehyde<\/title>\n<meta name=\"description\" content=\"35344-95-7, 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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