X-Ray diffraction and high resolution H-1 and C-13 NMR spectral data for me
thyl 2,3,4,-tri-O-acetyl-alpha-D-glucopyranuronate and methyl (allyl 2,3,4-
tri-O-acetyl-beta-D-glucopyranosid)uronate are presented. Both compounds ad
opt the C-4(1) conformation. (C) 2000 Elsevier Science Ltd. All rights rese
rved.