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901762

Tris(dimethylamino)sulfonium bifluoride

greener alternative

Synonyme(s) :

(Me2N)3S+[FHF]–, Bifluoride salt SuFEx catalyst

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A propos de cet article

Formule empirique (notation de Hill) :
C6H19F2N3S
Numéro CAS:
85248-37-9
Poids moléculaire :
203.30
UNSPSC Code:
12352101
Form:
powder or solid
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form

powder or solid

reaction suitability

reagent type: catalyst
reaction type: Fluorinations

greener alternative product characteristics

Catalysis
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sustainability

Greener Alternative Product

greener alternative category

, Aligned

storage temp.

2-8°C

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for catalytic efficiency. Click here for more information.

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.

Other Notes

Bifluoride-catalysed sulfur(VI) fluoride exchange reaction for the synthesis of polysulfates and polysulfonates

Classe de stockage

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Contenu apparenté

Sharpless Group – Professor Product Portal

The Sharpless Lab pursues useful new reactivity and general methods for selectively controlling chemical reactions.

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

Numéro d'article de commerce international

RéférenceGTIN
901762-100MG04061835505050