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Application filed by Институт Органической Химии Нан УкраиныfiledCriticalИнститут Органической Химии Нан Украины
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
A process for the preparation of S(+)-6-aryl-(trifluoro)acetyl-6-trifluoromethyl-5-6-dihydropyridine-2(1H)-ones of general formula:,wherein Аr = Ph, 4-РСН, 4-МеСН, 4-МеОСН;R = Ме, СF,consists in that S(-)-4-amino-4-aryl-5,5,5-trifluoropentane-2-ones are subjected to interaction with ethyl esters of (trifluoro)acetacetic acid in boiling xylene (individual isomers or mixture thereof) followed by separation of desired products by conventional methods.
UAU200907726U2009-07-222009-07-22Process for the preparation of s(+)-6-aryl-(trifluoro)acetyl-6-trifluoromethyl-5-6-dihydropyridine-2(1h)-ones
UA46588U
(en)