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N.m.r. studies of some cis- and trans-fused hexopyranoside p-toluene-sulfonates

✍ Scribed by Elizabeth Lee; John O'Callaghan; Noel Gavin

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
239 KB
Volume
168
Category
Article
ISSN
0008-6215

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✦ Synopsis

3CN.m.r. data for 4&O-benzylidenehexopyranosides and some derivatives have been reported '3, and 'H-and ljGn.m.r. spectrosqy has been employed to deiine the conformations of some cis-and tratwfuwd benzylidene acetals3-5. We now report ljCn.m.r. data for the 2-O-(2), 3-O-(3), 2,3-di-O-p-tolylsulfonyF (4), TABLB I 'cN.M.R. CHEMICAL SHIR DATA' FGR -4.6-O-mmL.lDENErslD~ compolmd SubsritrcmLr c-z c-2 c-3 Cd c-5 c-6 Z'hCYZ CH,O 2 3 a-galacto series 'H-N.m.r. spectra were recorded with JEOL MH-100 and GX-270 spectrometers. W-N.m.r. spectra were recorded with the JEOL GX-270 spectrometer. Spectra were obtained for solutions in CDCl, (internal Me,Si).

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