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. 55240-51-2, name is 2-Phenylisonicotinic acid. A new synthetic method of this compound is introduced below., category: pyridine-derivatives
2-phenyl-4-carboxypyridine (3 g, 15 mmol) was refluxed overnight in MeOH (70 ml) and H2SO4 (4 ml). After evaporation of the solvent, water (100 ml) was added and the mixture was neutralized with saturated NaHCO3 solution. The aqueous phase was then extracted with CH2Cl2 (2×100 ml). The combined organic fractions were washed with water (100 ml), brine (50 ml) and dried over MgSO4. The crude compound was then flash chromatographed (SiO2, CH2Cl2) to afford 2.3 g (72%) of the titled compound as a colourless oil.
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Reference:
Patent; KONINKLIJKE PHILIPS ELECTRONICS N.V.; WO2007/4113; (2007); A2;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem