JCGGDB TOP Glycan Syntheses

Reaction

JCGG ID
JCGG-RAC0002474
Submitter
The Noguchi Institute
Reaction ID
R-0000-002474
Regist Date
2012/06/21 19:17:41
REACTANT
MOLECULE ID
JCGG-COM0003206 (Reaction Tree)
Mol
0.087 mmol
MOLECULE ID
JCGG-COM0003207
Reactant Type
propargyl alcohol
Mol
17.8 mmol
MOLECULE ID
JCGG-COM0000521
Reactant Type
Cl3CCN
Mol
19.6 mmol
MOLECULE ID
JCGG-COM0000160
Reactant Type
Na
Mol
catalytic amount
MOLECULE ID
JCGG-COM0000111
Reactant Type
TfOH
Mol
catalytic amount
PRODUCT
MOLECULE ID
JCGG-COM0003215 (Reaction Tree)
Yield
49%
REACTION DETAIL
Reaction Time
3 hours, overnight
Reaction Temp
room temp, room temp
Solvent
none, CH2Cl2 (5mL)
Comment
1) propargyl alcohol+Cl3CCN, Na, 2) +2a, TfOH, molecular sieves powder
The reactants were mixed at 0 degree in Celsius before stirred at room temperature. (first phase)
Molecular sieves powder was included in the solvent. (second phase)
COMMENT
Keywords: triazole, heparosan, chondroitin, copper catalyzed azide-alkyne cycloaddition, CuAAC, azido-glucuronic acid, glucosamine, galactosamine
There are multiple phases in this reaction.
REFERENCE
Reference Id
REF-0000-000343
Issn
Electronic
Doi
10.1021/jo200076z
PubMed ID
21438620
Journal Name
The Journal of organic chemistry. (2011) 76 (9): 3181-93.
Article Title
Design and synthesis of unnatural heparosan and chondroitin building blocks.
Author
Smritilekha, Bera; Robert J, Linhardt
Affiliation
Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, USA.
Reference Id
REF-0000-000344
Source
J. Org. Chem. 2011, 76, 3181-3193
Doi
10.1021/jo200076z

©2008-2013 Research Center for Medical Glycoscience, National Institute of Advanced Industrial Science and Technology (AIST)