JCGGDB TOP Glycan Syntheses

Reaction

JCGG ID
JCGG-RAC0000662
Submitter
The Noguchi Institute
Reaction ID
R-0000-000662
Regist Date
2012/06/21 16:17:29
REACTANT
MOLECULE ID
JCGG-COM0000739 (Reaction Tree)
Reactant Type
thioglycoside
Mol
0.12 mmol
MOLECULE ID
JCGG-COM0000749 (Reaction Tree)
Reactant Type
alcohol
Mol
0.12 mmol
MOLECULE ID
JCGG-COM0000741
Reactant Type
MeOTf
Mol
0.18 mmol (twice)
MOLECULE ID
JCGG-COM0000047
Reactant Type
Et3N
Volume
0.4 mL
PRODUCT
MOLECULE ID
JCGG-COM0000750 (Reaction Tree)
Yield
54%
MOLECULE ID
JCGG-COM0000751 (Reaction Tree)
Yield
14%
REACTION DETAIL
Reaction Time
15 minutes, 36 hours
Reaction Temp
room temp, 0 to 5 degree C,
Solvent
Et2O/CH2Cl2 = 2mL/1mL, Et2O/CH2Cl2 = 2mL/1mL,
Comment
1) 3+8, MS 4A, 2) +MeOTf, Et3N
MS 4A was included in the solvent.
The second addition of MeOTf was performed 24 hours after the start of the second phase.
Et3N was added at the end of the reaction.
COMMENT
There are two phases in this reaction.
REFERENCE
Reference Id
REF-0000-000030
Issn
Print
PubMed ID
10813908
Journal Name
The Journal of organic chemistry. (2000) 65 (1): 144-51.
Article Title
A total synthesis of the methyl glycoside of ganglioside GM(1).
Author
S K, Bhattacharya; S J, Danishefsky
Affiliation
Department of Chemistry, Columbia University, Havemeyer Hall, New York, New York 10027, USA.
Reference Id
REF-0000-000031
Source
J. Org. Chem., 2000, 65, 144-151
Doi
10.1021/jo9912496

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