With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.80-65-9,3-Aminooxazolidin-2-one,as a common compound, the synthetic route is as follows.
80-65-9, EXAMPLE I 3-[(4-Chromanylidene)amino]-2-oxazolidinone A 62-g (0.61 mole) portion of 3-amino-2-oxazolidinone was charged in a 500-ml, 3-necked flask equipped with a thermometer, stirrer and reflux condenser, and treated successively with 92 ml of H2 O, 8 ml of 10% HCl and 42 g (0.28 mole) of 4-chromanone in 200 ml ethanol. The reaction mixture was refluxed for 36 hr, stripped in vacuo to one-half volume and cooled in the refrigerator overnight. The slurry was filtered and the white crystalline solid washed with 50 ml of isopropanol then 200 ml of ether and dried. M.p. 105-108. Yield: 44 g (68%). The filtrate was extracted with 250 ml of CHCl3, and the CHCl3 extract dried over MgSO4, filtered, and stripped in vacuo.
As the paragraph descriping shows that 80-65-9 is playing an increasingly important role.
Reference£º
Patent; Morton-Norwich Products, Inc.; US4093627; (1978); A;,
Oxazolidine – Wikipedia
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