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. 69950-65-8, name is Methyl 6-formyl-2-pyridinecarboxylate. A new synthetic method of this compound is introduced below., Safety of Methyl 6-formyl-2-pyridinecarboxylate
General procedure: A solutionof 3 mmol of pyridine-2-carbaldehyde 2a-2c in 25 mLof glacial acetic acid was added to a solution of 3 mmol of isonitrosoacetophenone hydrazone 1a-1d in 25 mL of glacial acetic acid. The mixture was kept for 10 h at room temperature and was then refluxed for 5 min. The solvent was removed under reduced pressure, the residue was treated with ethanol, and the precipitate was filtered off, washed with ethanol, dried,and recrystallized from ethanol.
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Reference:
Article; Shabunina; Starnovskaya; Shtaits, Ya. K.; Kopchuk; Kovalev; Zyryanov; Rusinov; Chupakhin; Russian Journal of Organic Chemistry; vol. 54; 10; (2018); p. 1576 – 1578; Zh. Org. Khim.; vol. 54; 10; (2018); p. 1561 – 1563,3;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem