CARBOHYDRATE RESEARCH eet BATS +5 ELSEVIER Carbohydrate Research 286 (1996) C7—C8 Contents Regular Papers NMR Study of uronic acids and their complexation with molybdenum(VI) and tungsten(VI) oxoions M.L.D. Ramos, M.M.M. Caldeira and V.M.S. Gil (Coimbra, Portugal)... ..........004. Binding properties of carbohydrate sulfamates based on ab initio 6-31+G°~" calculations on N-methyl and N-ethy! sulfamate anions D.M. Whitfield (Ottawa, Canada), D. Lamba (Rome, Italy), T.-H. Tang (Toronto, Canada; Tianjin, People’s Republic of China) and I.G. Csizmadia (Toronto, Canada)... 2... 2... 2 ee ee eee Quantitative determination of native and methylated cyclodextrins by matrix-assisted laser desorption/ ionization time-of-flight mass spectrometry H. Bartsch, W.A. KGnig, M. StraBner and U. Hintze (Hamburg, Germany) .............. Influence of intramolecular hydrogen-bonding on the conformation of 3-deoxy-3-thioureido sugars J.M. Garcia Fernandez, C. Ortiz Mellet, J.L. Jiménez Blanco, J. Fuentes, M. Jesiis Didénez, M.D. Estrada, A. L6pez-Castro and S. Pérez-Garrido (Seville, Spain)... 2.2... 2 ee eee ee ee ee A multinuclear NMR spectroscopy study of the tungstate and molybdate complexes of D-fructose and L-sorbose J.-P. Sauvage, J.-F. Verchére and S. Chapelle (Mont-Saint-Aignan, France)... ........... A novel approach to the synthesis of lipophilic thymidinemonophosphoglucopyranosides as drug delivery systems A. De Nino, A. Liguori, A. Procopio, E. Roberti and G. Sindona (Arcavacata di Rende, Italy). . . . Recognition of B-D-Gal p-(1 — 3)-B-p-Gle pNAc-OR acceptor analogues by the Lewis a-(1 — 3 /4)- fucosyltransferase from human milk Pe ae Oe ae EC CED, . gc eee cae ea hee OS ewe OO Synthesis of kanamycin A analogs containing 6-amino-3-oxa-2,3,4,6-tetradeoxy-D- and -L-glycero- hexopyranose R. Kuwahara and T. Tsuchiya (Kawasaki, Japan)... 1... 1. cee eee ee ee ee ew ees Synthesis of novel vitamin C phosphodiesters: Stability and antioxidant activity R. Morksaki end S. Ouaki (hdatemyamtn, Sapam) 0 wc te cee eee ee wesenee Degradation of pectins in alkaline conditions: kinetics of demethylation C.M.G.C. Renard and J.-F. Thibault (Nantes, France)... 0. cece ce eee cee ee eens C8 Contents Notes A detailed 'H and '*C NMR study of a repeating disaccharide of hyaluronan: the effect of sodium and calcium ions W. Sicifiska and L.E. Lerner (Madison, WI, USA) Synthesis of 1,2-anhydro-3,5,6-tri-O-benzyl-a-L-gulofuranose and _ 1,2-anhydro-3,5-di-O-benzyl-B-D- arabinofuranose X. Ding and F. Kong (Beijing, People’s Republic of China) Preparation of amidine derivatives from |-cyano-D-galactal L. Somsak (Debrecen, Hungary) A practical synthesis from siastatin B of (3S,45,5R,6R)-4,5-dihydroxy-6-(trifluoroacetamido)piperi- dine-3-carboxylic acid having antimetastatic activity in mice T. Satoh, Y. Nishimura, S. Kondo and T. Takeuchi (Tokyo, Japan) Identification of per-O-(trimethylsilyl) derivatives of aldoses generated from thermal decomposition of N-(1-deoxy-b-fructopyranos-1-yl)proline: reversibility of the Amadori rearrangement V.A. Yaylayan and A. Huyghues-Despointes (Ste. Anne de Bellevue, Canada) Mixed-acetal glucopyranosides of 2-bromo- and 2-iodo-acetaldehyde by mild alkylation of lactol groups. Irreversible cross inhibition using a pair of glycosidases H. Ebrahim, D.J. Evans (London, UK), J. Lehmann and L. Ziser (Freiburg, Germany) Author index Subject index Contents