151073-01-7Relevant academic research and scientific papers
Synthesis of azido-deoxy and amino-deoxy glycosides and glycosyl fluorides for screening of glycosidase libraries and assembly of substituted glycosides
Chen, Hong-Ming,Withers, Stephen G.
, p. 33 - 44 (2018/08/03)
Azide- and amine-substituted sugars can be useful tools in the probing of biological systems as well as in the assembly of libraries of derivatives using click chemistry or simple amine coupling approaches. A collection of methylumbelliferyl glycosides of
Cluster glycosides and heteroglycoclusters presented in alternative arrangements
Figueredo, Andreza S.,Zamoner, Luis O.B.,Rejzek, Martin,Field, Robert A.,Carvalho, Ivone
, p. 4405 - 4409 (2018/11/10)
Multivalent carbohydrates, or glycoclusters, are useful tools to study glycan-lectin and glycan-enzyme recognition processes and have wide potential therapeutic applicability. Herein, we report the synthesis of novel glycoclusters presenting glucopyranose
An efficient method to synthesize novel 5-O-(6′-modified)-mycaminose 14-membered ketolides
Wang, A-Peng,Liu, Chao,Yang, Shuang,Zhao, Zhehui,Lei, Pingsheng
, p. 285 - 297 (2015/12/30)
A new and facile procedure was developed to synthesize novel 5-O-(6′-modified)-mycaminose 14-membered ketolides by adopting different protective strategies and comparing various glycosylation conditions. Seven trichloroacetimidate donors which had different types of substituent groups at C-6 position were synthesized to couple with the erythronolide. Nine novel 5-O-(6′-modified)-mycaminose 14-membered ketolides were obtained to verify the utility of the method.
Glucose positions affect the phloem mobility of glucose-fipronil conjugates
Lei, Zhiwei,Wang, Jie,Mao, Genlin,Wen, Yingjie,Tian, Yuxin,Wu, Huawei,Li, Yufeng,Xu, Hanhong
, p. 6065 - 6071 (2014/07/21)
In our previous work, a glucose-fipronil (GTF) conjugate at the C-1 position was synthesized via click chemistry and a glucose moiety converted a non-phloem-mobile insecticide fipronil into a moderately phloem-mobile insecticide. In the present paper, fipronil was introduced into the C-2, C-3, C-4, and C-6 positions of glucose via click chemistry to obtain four new conjugates and to evaluate the effects of the different glucose isomers on phloem mobility. The phloem mobility of the four new synthetic conjugates and GTF was tested using the Ricinus seedling system. The results confirmed that conjugation of glucose at different positions has a significant influence on the phloem mobility of GTF conjugates.
Design, synthesis and the effect of 1,2,3-triazole sialylmimetic neoglycoconjugates on Trypanosoma cruzi and its cell surface trans-sialidase
Campo, Vanessa L.,Sesti-Costa, Renata,Carneiro, Zumira A.,Silva, Jo?o S.,Schenkman, Sergio,Carvalho, Ivone
experimental part, p. 145 - 156 (2012/02/15)
This work describes the synthesis of a series of sialylmimetic neoglycoconjugates represented by 1,4-disubstituted 1,2,3-triazole-sialic acid derivatives containing galactose modified at either C-1 or C-6 positions, glucose or gulose at C-3 position, and by the amino acid derivative 1,2,3-triazole fused threonine-3-O-galactose as potential TcTS inhibitors and anti-trypanosomal agents. This series was obtained by Cu(I)-catalysed azide-alkyne cycloaddition reaction ('click chemistry') between the azido-functionalized sugars 1-N3-Gal (commercial), 6-N 3-Gal, 3-N3-Glc and 3-N3-Gul with the corresponding alkyne-based 2-propynyl-sialic acid, as well as by click chemistry reaction between the amino acid N3-ThrOBn with 3-O-propynyl-GalOMe. The 1,2,3-triazole linked sialic acid-6-O-galactose and the sialic acid-galactopyranoside showed high Trypanosoma cruzi trans-sialidase (TcTS) inhibitory activity at 1.0 mM (approx. 90%), whilst only the former displayed relevant trypanocidal activity (IC50 260 μM). These results highlight the 1,2,3-triazole linked sialic acid-6-O-galactose as a prototype for further design of new neoglycoconjugates against Chagas' disease.
Design and synthesis of new aminoglycoside antibiotics containing neamine as an optimal core structure: Correlation of antibiotic activity with in vitro inhibition of translation
Greenberg, William A.,Priestley, E. Scott,Sears, Pamela S.,Alper, Phil B.,Rosenbohm, Christoph,Hendrix, Martin,Hung, Shang-Cheng,Wong, Chi-Huey
, p. 6527 - 6541 (2007/10/03)
The structure and activity of the pseudodisaccharide core found in aminoglycoside antibiotics was probed with a series of synthetic analogues in which the position of amino groups was varied around the glucopyranose ring. The naturally occurring structure
