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. 94170-15-7, name is 1-Methyl-2-oxo-1,2-dihydropyridine-4-carbaldehyde. A new synthetic method of this compound is introduced below., Recommanded Product: 1-Methyl-2-oxo-1,2-dihydropyridine-4-carbaldehyde
(i) Ethyl beta-(N-methyl-2-oxo-4-pyridyl)acrylate N-Methyl-4-formyl-2-pyridone* (30.17 g), monoethyl malonate (38.15 g), pyridine (150 ml) and piperidine (3 ml) were stirred under reflux for 61/2 hours. The reaction mixture was evaporated under reduced pressure to afford a residue which was crystallized from aqueous isopropanol to give ethyl beta-(N-methyl-2-oxo-4-pyridyl)acrylate as a pale yellow solid (18.44 g), m.p. 126-7 C.
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Reference:
Patent; Smith Kline & French Laboratories Limited; US4540699; (1985); A;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem