Total Synthesis and Structural Studies of Zwitterionic Bacteroides fragilis Polysaccharide A1 Fragments

Z Wang, A Poveda, Q Zhang, L Unione… - Journal of the …, 2023 - ACS Publications
Zwitterionic polysaccharides (ZPSs) are exceptional carbohydrates, carrying both positively
charged amine groups and negatively charged carboxylates, that can be loaded onto MHC …

Synthetic Zwitterionic Streptococcus pneumoniae Type 1 Oligosaccharides Carrying Labile O‐Acetyl Esters

Z Wang, A Gimeno, MG Lete… - Angewandte Chemie …, 2023 - Wiley Online Library
We herein report the first total synthesis of the Streptococcus pneumoniae serotype 1 (Sp1)
oligosaccharide, a unique zwitterionic capsular polysaccharide carrying labile O‐acetyl …

Activity‐Based Profiling of Retaining β‐Glucosidases: A Comparative Study

MD Witte, MTC Walvoort, KY Li, WW Kallemeijn… - …, 2011 - Wiley Online Library
Activity‐based protein profiling (ABPP) is a versatile strategy to report on enzyme activity in
vitro, in situ, and in vivo. The development and use of ABPP tools and techniques has met …

α-Selective Glucosylation Can Be Achieved with 6-O-para-Nitrobenzoyl Protection

HH Trinderup, L Juul-Madsen, L Press… - The Journal of …, 2022 - ACS Publications
A systematic study of the effect of various 6-O-acyl groups on anomeric selectivity in
glucosylations with thioglycoside donors was conducted. All eight different esters were …

Synthesis of hyaluronic acid oligomers using chemoselective and one-pot strategies

J Dinkelaar, H Gold, HS Overkleeft… - The Journal of …, 2009 - ACS Publications
An efficient synthetic strategy toward a hyaluronic acid (HA) tri-, penta-, and heptamer
having a glucosamine-reducing end is reported. The synthesis is based on a glucuronate …

Stereoselective Synthesis of L‐Guluronic Acid Alginates

J Dinkelaar, LJ van den Bos… - … A European Journal, 2008 - Wiley Online Library
The glycosylation properties of gulopyranosides have been mapped out, and it is shown that
gulose has an intrinsic preference for the formation of 1, 2‐cis‐glycosidic bonds. It is …

Trichloroisocyanuric acid (TCCA): an efficient green reagent for activation of thioglycosides toward hydrolysis

N Basu, SK Maity, A Chaudhury, R Ghosh - Carbohydrate Research, 2013 - Elsevier
Trichloroisocyanuric acid (TCCA), an inexpensive, commercially available, and non-toxic
reagent has been used for the activation of thioglycosides toward their hydrolysis to the …

Photoinitiated Glycosylation at 350 nm

I Cumpstey, D Crich - Journal of Carbohydrate Chemistry, 2011 - Taylor & Francis
A method for photochemical activation of glycosyl donors is presented. Selenoglycosides
were activated by single-electron transfer using a photooxidant, N-methylquinolinium …

Synthesis of Hyaluronic Acid Oligomers Using Ph2SO/Tf2O-Mediated Glycosylations

J Dinkelaar, JDC Codée, LJ van den Bos… - The Journal of …, 2007 - ACS Publications
Synthesis of Hyaluronic Acid Oligomers Using Ph2SO/Tf2O-Mediated Glycosylations | The
Journal of Organic Chemistry Recently Viewedclose modal ACS ACS Publications C&EN CAS …

Exploring and exploiting the reactivity of glucuronic acid donors

AR de Jong, B Hagen, V van der Ark… - The Journal of …, 2012 - ACS Publications
The relative reactivity of glucuronic acid esters was established in a series of competition
experiments, in which two thioglucoside and/or thioglucuronic acid ester donors competed …