Acyclic stereoselection. 4. Assignment of stereostructure to .beta.-hydroxycarbonyl compounds by carbon-13 nuclear magnetic resonance

Synthesis and carbon-13 nuclear magnetic

Synthesis and carbon-13 nuclear magnetic resonance spectroscopy of 5,6-dihydro-2-methyl-1,4-oxathiin, trans-tetrahydro-1,4-benzoxathiin, 1,4-tetrahydro-[9,10]benzoxathiin, the 4-oxides, 4,4-dioxides and related acyclic compounds

✍ Robert P. Rooney; John C. Dyer; Slayton A. Evans Jr 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 English ⚖ 674 KB

## Abstract The results of a ^13^C NMR spectral investigation involving 5,6‐dihydro‐1,4‐oxathiins, 1,4‐tetrahydro[9,10]benzoxathiin, __trans__‐tetrahydro‐1,4‐benzoxathiin, and the corresponding sulfoxides and sulfones are reported. An interpretation involving a dipolar structure with (2__p__→2__p__