901762
Tris(dimethylamino)sulfonium bifluoride
Synonym(s):
(Me2N)3S+[FHF]–, Bifluoride salt SuFEx catalyst
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About This Item
Empirical Formula (Hill Notation):
C6H19F2N3S
CAS Number:
Molecular Weight:
203.30
UNSPSC Code:
12352101
Recommended Products
form
powder or solid
reaction suitability
reagent type: catalyst
reaction type: Fluorinations
greener alternative product characteristics
Catalysis
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Greener Alternative Product
greener alternative category
, Aligned
storage temp.
2-8°C
General description
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Application
Bifluoride salt reported by K. Barry Sharpless and colleagues as a powerful catalyst for the sulfur(VI) fluoride exchange (SuFEx) reaction between aryl silyl ethers and aryl fluorosulfates or alkyl sulfonyl fluorides. Superior to organosuperbases DBU and BEMP, tris(dimethylamino)sulfonium bifluoride enables low catalyst loading (0.05 mol%) for preparation of polysulfates and polysulfonates with high molecular weight and narrow polydispersity. Reaction is amenable to scale up.
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Product No.
Description
Pricing
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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Hua Wang et al.
Angewandte Chemie (International ed. in English), 56(37), 11203-11208 (2017-08-10)
The SuFEx-based polycondensation between bisalkylsulfonyl fluorides (AA monomers) and bisphenol bis(t-butyldimethylsilyl) ethers (BB monomers) using [Ph
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