Brief introduction of 3123-97-5

3123-97-5, 3123-97-5 5,5-Dimethyldihydrofuran-2(3H)-one 18398, aTetrahydrofurans compound, is more and more widely used in various.

3123-97-5, 5,5-Dimethyldihydrofuran-2(3H)-one is a Tetrahydrofurans compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

To a solution of the Compound 1 (5.13 g) and the Compound 2 (1.3 mE) in methanol (45 mE) was added dropwise concentrated sulfuric acid (350 pL), and the resulting mixture was stirred at 50¡ã C. for 2 hours. To the reaction mixture was added a saturated aqueous solution of sodium hydrogen carbonate at room temperature to alkali1,? the mixture, and chloroform was added thereto, and the resulting mixture was stirred. The resulting organic layers were separated, then washed with saturated brine, dried, andconcentrated under reduced pressure. The resulting residues were purified by silica gel column chromatography (hexane:ethyl acetate=97:3 to 85:15) to give the Compound 3 (6.2 g) as a pale yellow liquid. 1H-NMR (CDC13) oe 1.15 (s, 6H), 1.80-1.84 (m, 2H), 2.34-2.38 (m, 2H), 3.17 (s, 3H), 3.67 (s, 3H)

3123-97-5, 3123-97-5 5,5-Dimethyldihydrofuran-2(3H)-one 18398, aTetrahydrofurans compound, is more and more widely used in various.

Reference£º
Patent; MITSUBISHI TANABE PHARMA CORPORATION; SATO, Atsushi; IMASHIRO, Ritsuo; TSUJISHIMA, Hidekazu; TANIMOTO, Kouichi; YAMAMOTO, Yasuo; NAKANE, Tetsu; TOSHIKAWA, Chihiro; (118 pag.)US2018/258076; (2018); A1;,
Tetrahydrofuran – Wikipedia
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