SCHEDULED MAINTENANCE
Dehydration of 3,4-disubstituted 5-hydroxyfuran-2(5H)-ones by sulphuric acid or thionyl chloride gave the recemic and meso isomers of the corresponding ethers, bis-(3,4-disubstituted 5-oxo-2,5-dihydrofuran-2-yl) ethers. The stereochemistry of the diastereoisomers has been studied by i.r., u.v., and n.m.r. spectroscopy.
S. Kovac, E. Solcaniova, E. Beska and P. Rapos, J. Chem. Soc., Perkin Trans. 2, 1973, 107 DOI: 10.1039/P29730000107
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