Condensation of stereoisomeric 2-acetyl-2,3-diphenyloxiranes with ethyl trifluoroacetate
The reaction of E-2-acetyl-2,3-diphenyloxirane with ethyl trifluoroacetate in the presence of sodium isopropoxide leads to 3-hydroxy-2,3-diphenyl-6-trifluoromethyl-2,3-dihydro-4H-pyran-4-one. Under the same conditions Z-acetyloxirane forms 3-hydroxy-2-phe
Tyvorskii,Pukin,Bobrov
p. 540 - 545
(2007/10/03)
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