61363-56-2, 2H-Pyran-3,5(4H,6H)-dione is a Tetrahydropyrans compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,61363-56-2
Compound II (22.80 g, 0.2 mol, 1.0 e.q.) was dissolved in chloroform (300 mL).PCl5 (20.82g, 0.1mol, 0.5e.q.) was added in portions at 0 C, and the reaction was stirred under reflux for 5 h. After cooling, the residue is removed by filtration, and the filtrate is concentrated and purified by sand column chromatography to obtainCompound III-2 was a yellow oily substance (20.3 g), yield 76.6%.
61363-56-2 2H-Pyran-3,5(4H,6H)-dione 325287, aTetrahydropyrans compound, is more and more widely used in various fields.
Reference£º
Patent; Nanjing Yaoshi Technology Co., Ltd.; Nanjing Furunkaide Bio-pharmaceutical Co., Ltd.; Li Jilong; Fei Qinlong; Li Hui; (13 pag.)CN108558806; (2018); A;,
Tetrahydropyran – Wikipedia
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