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Molecules 2016, 21(4), 448; doi:10.3390/molecules21040448

Synthesis of Dense and Chiral Dendritic Polyols Using Glyconanosynthon Scaffolds

1
Pharmaqam and Nanoqam, Department of Chemistry, University of Québec a Montréal, P.O. Box 8888, Succ. Centre-Ville, Montréal, QC H3C 3P8, Canada
2
Department of Innovative Technologies, University of Applied Sciences and Arts of Southern Switzerland, Galleria 2, Manno CH-6928, Switzerland
*
Author to whom correspondence should be addressed.
Received: 1 March 2016 / Revised: 24 March 2016 / Accepted: 28 March 2016 / Published: 4 April 2016
(This article belongs to the Special Issue Functional Dendrimers)
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Abstract

Most classical dendrimers are frequently built-up from identical repeating units of low valency (usually AB2 monomers). This strategy necessitates several generations to achieve a large number of surface functionalities. In addition, these typical monomers are achiral. We propose herein the use of sugar derivatives consisting of several and varied functionalities with their own individual intrinsic chirality as both scaffolds/core as well as repeating units. This approach allows the construction of chiral, dense dendrimers with a large number of surface groups at low dendrimer generations. Perpropargylated β-D-glucopyranoside, serving as an A5 core, together with various derivatives, such as 2-azidoethyl tetra-O-allyl-β-D-glucopyranoside, serving as an AB4 repeating moiety, were utilized to construct chiral dendrimers using “click chemistry” (CuAAC reaction). These were further modified by thiol-ene and thiol-yne click reactions with alcohols to provide dendritic polyols. Molecular dynamic simulation supported the assumption that the resulting polyols have a dense structure. View Full-Text
Keywords: dendrimer; glycodendrimer; carbohydrate; click chemistry; CuAAAC; thiol-yne; thiol-ene dendrimer; glycodendrimer; carbohydrate; click chemistry; CuAAAC; thiol-yne; thiol-ene
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MDPI and ACS Style

Shiao, T.C.; Rej, R.; Rose, M.; Pavan, G.M.; Roy, R. Synthesis of Dense and Chiral Dendritic Polyols Using Glyconanosynthon Scaffolds. Molecules 2016, 21, 448.

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