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. 131860-97-4, name is (E)-Methyl 2-(2-((6-chloropyrimidin-4-yl)oxy)phenyl)-3-methoxyacrylate. A new synthetic method of this compound is introduced below., category: pyrimidines
Methyl (£)-2-{2-[6-chloropyiimidin-4-yloxy]phenyl}-3-methoxyacrylate (E) (3g of 95.4% strength) was charged to the reaction tube followed by the solvent (10 ml) then 2- cyanophenol (1.2g), base (1.5 mol equivalents) and the compound being tested as a catalyst (15 mol%). The reaction mixtures were held, with stirring, at 400C for 4hrs, then at 6O0C for 2 hrs. The reaction was monitored for formation of product, throughout the hold period, by Gas Chromatography. Results are recorded as area % levels of methyl (£)-2-{2-[6- chloropyrimidin-4-yloxy]phenyl}-3-methoxyacrylate (II) and methyl (E)-2-{2-[6-(2- cyanophenoxy)pyrimidin-4-yloxy]phenyl}-3-methoxyacrylate (I) in the reaction mixture.The following systems were tested:TABLE l
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Reference:
Patent; SYNGENTA LIMITED; WO2008/43977; (2008); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia