{"id":3547,"date":"2021-04-21T09:28:54","date_gmt":"2021-04-21T01:28:54","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=3547"},"modified":"2021-04-21T09:28:54","modified_gmt":"2021-04-21T01:28:54","slug":"share-a-compound-4-1h-pyrazol-4-yl-7h-pyrrolo23-dpyrimidin-7-ylmethyl-pivalate","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=3547","title":{"rendered":"Share a compound : (4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate"},"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. 1146629-77-7, name is (4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate, A new synthetic method of this compound is introduced below., SDS of cas: 1146629-77-7<\/a><\/p>\n

Method B.; To a stirred suspension of [4-(1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl]methyl pivalate (19, 158 mg, 0.50 mmol) and 3-cyclopentylacrylonitrile (8, 122 mg, 1.0 mmol, 2.0 equiv) in dimethyl sulfoxide (DMSO, 1.0 mL, 14 mmol) at room temperature was added powder potassium carbonate (K2CO3, 10.4 mg, 0.075 mmol, 0.15 equiv). The reaction mixture was then stirred at room temperature for 5 h. The reaction mixture became a clear solution in 2 h. When LCMS showed the reaction was deemed complete, the reaction was quenched with water (H2O, 5 mL) and extracted with ethyl acetate (EtOAc, 3\u00d715 mL). The combined organic extracts were washed with saturated aqueous NaCl solution (10 mL), dried over magnesium sulfate (MgSO4), and concentrated under reduced pressure. The residue was then purified by flash chromatography (SiO2, 0-50% EtOAc\/hexanes gradient elution) to afford racemic (4-(1-(2-cyano-1-cyclopentylethyl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate (20, 172.6 mg, 210 mg theoretical, 82% yield) as a white solid. For 20: 1H NMR (CDCl3, 400 MHz) delta ppm 8.87 (s, 1H), 8.30 (s, 1H), 8.29 (s, 1H), 7.47 (d, 1H, J=3.9 Hz), 6.75 (d, 1H, J=3.9 Hz), 6.24 (s, 2H), 4.25 (m, 1H), 3.12 (dd, 1H, J=17.0, 8.7 Hz), 2.95 (dd, 1H, J=17.0, 3.9 Hz), 2.58 (m, 1H), 1.95 (m, 1H), 1.72-1.52 (m, 5H), 1.25 (m, 2H), 1.14 (s, 9H); C23H28N6O2 (MW, 420.51), LCMS (EI) m\/e 421.4 (M++H).<\/p>\n

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.<\/p>\n","protected":false},"excerpt":{"rendered":"

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[360,131],"tags":[127],"class_list":["post-3547","post","type-post","status-publish","format-standard","hentry","category-1146629-77-7","category-pyrazoles-derivatives","tag-m-w200-300"],"yoast_head":"\nShare a compound : (4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate<\/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. 1146629-77-7, name is (4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate, A new synthetic method of this compound is introduced below., SDS of cas: 1146629-77-7\" \/>\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=3547\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Share a compound : (4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate\" \/>\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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