Conformational study of 3-substituted thietane 1-oxides. Lanthanide shift reagent approach

Abstract

aromatic), 7.67-7.80 (m, 1 H, aromatic); NMR (180 MHz, CDC13)1.80-2.04 (m, 2 H, H44-anti to H33-), 2.06-2.26 (m, 2 H, H44syn to H3-3-), 3.10-3.30 (m, 6 , H2,2-, H3i3-, H5-5-syn to H3]3-'),