S7556
Sulfur trioxide pyridine complex
97%
Synonym(s):
NSC 75831, Pyridine sulfur trioxide complex
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About This Item
Empirical Formula (Hill Notation):
C5H5NO3S
CAS Number:
Molecular Weight:
159.16
UNSPSC Code:
12352303
NACRES:
NA.22
PubChem Substance ID:
EC Number:
247-683-3
Beilstein/REAXYS Number:
3704116
MDL number:
Product Name
Sulfur trioxide pyridine complex, 97%
InChI
1S/C5H5N.O3S/c1-2-4-6-5-3-1;1-4(2)3/h1-5H;
InChI key
UDYFLDICVHJSOY-UHFFFAOYSA-N
SMILES string
O=S(=O)=O.c1ccncc1
assay
97%
reaction suitability
reagent type: oxidant
Quality Level
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Related Categories
Application
- Sulfation agent
Reactant for:
- Preparation of azido anologs of pregnanolone
- Sulfate esters of morphine derivatives
- Gold nanoparticles capped with sulfate-ended ligands as anti-HIV agents
Sulfur trioxide-pyridine (SO3-py) complex can be used to convert the allylic or benzylic hydroxyl group of compounds such as geraniol, farnesol, and 1-indanol into sulfate monoester, which is a good leaving group. This method is highly useful in the total synthesis of sesquiterpenes.
As a sulfating agent, SO3-py complex can be used for the preparation of sulfated-chitins, sulfated hyaluronan (HyaS) derivatives and sulfated starch.
As a sulfating agent, SO3-py complex can be used for the preparation of sulfated-chitins, sulfated hyaluronan (HyaS) derivatives and sulfated starch.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 3
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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Preparation of sulfated-chitins under homogeneous conditions.
Zou Y and Khor E
Carbohydrate Polymers, 77(3), 516-525 (2009)
Polysaccharide-based superporous hydrogels with fast swelling and superabsorbent properties.
Kuang J, et al.
Carbohydrate Polymers, 83(1), 284-290 (2011)
A method for deoxygenation of allylic and benzylic alcohols.
Corey E J and Achiwa K
The Journal of Organic Chemistry, 34(11), 3667-3668 (1969)
Sulfated hyaluronan derivatives reduce the proliferation rate of primary rat calvarial osteoblasts.
Kunze R, et al.
Glycoconjugate Journal, 27(1), 151-158 (2010)
Helyn Priscila de Oliveira Barddal et al.
International journal of biological macromolecules, 145, 604-610 (2019-12-31)
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