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. 14150-94-8, name is 1-Methyl-3,5-dinitro-1H-pyridin-2-one. A new synthetic method of this compound is introduced below., Recommanded Product: 14150-94-8
General procedure: To a solution of the dinitropyridone 1 (50 mg, 0.25 mmol) in ethanol (10 mL), 4-phenyl-3-buten-2-one (4a) (36.5 mg, 0.25 mmol) and NH4OAc (578 mg, 7.5 mmol) were added, and the resultant mixture was heated at 65 C for 24 h. After removal of the solvent, the residue was washed with benzene (3 × 10 mL) to remove unreacted ketone 4a and treated with column chromatography on silica gel (eluent: hexane/ethyl acetate =95/5) to afford 5-nitro-2-(2-phenylethenyl)pyridine (5a) (41 mg, 0.18 mmol, 72%) as a yellow powder. The reactions of the dinitropyridone 1 with other ketones 4b-f or 10a-c were performed in a similar way.
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Reference:
Article; Le, Song Thi; Asahara, Haruyasu; Nishiwaki, Nagatoshi; Chemistry Letters; vol. 44; 6; (2015); p. 776 – 778;,
Pyridine – Wikipedia,
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