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重要文件

901741

Sigma-Aldrich

Bis(triphenyl-λ5-phosphanylidene)ammonium hydrogendifluoride

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同義詞:

Bifluoride salt SuFEx catalyst, PNP+[FHF]-, Triphenyl((triphenyl-phosphaneylidene)amino)phosphonium fluoride hydrofluoride, [Ph3P=N-PPh3]+[HF2]-

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About This Item

經驗公式(希爾表示法):
C36H31F2NP2
CAS號碼:
分子量::
577.58
分類程式碼代碼:
12352101

化驗

≥95%

形狀

solid

反應適用性

reagent type: catalyst

環保替代產品特色

Catalysis
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環保替代類別

儲存溫度

2-8°C

一般說明

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應用

Bifluoride salt reported by K. Barry Sharpless and colleagues as a catalyst for sulfur(VI) fluoride exchange (SuFEx)-based AA-BB polycondensation reactions to prepare polysulfonates with diverse structures, narrow polydispersity, and excellent thermal and hydrolytic stability. Bisalkylsulfonyl fluorides, the AA monomers, were prepared from ethenesulfonyl fluoride (746959) and amines/anilines while bisphenol bis(t-butyldimethylsilyl) ethers, the BB monomers, were synthesized using tert-butyldimethylsilyl chloride (190500) and bisphenols. Varying the amines, anilines, and bisphenols results in assorted polymeric backbones, including those bearing orthogonal side chains for modification post-polymerization (e.g. by CuAAC). Reaction is amenable to scale up.

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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分析證明 (COA)

Lot/Batch Number

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Bing Gao et al.
Nature chemistry, 9(11), 1083-1088 (2017-10-25)
Polysulfates and polysulfonates possess exceptional mechanical properties making them potentially valuable engineering polymers. However, they have been little explored due to a lack of reliable synthetic access. Here we report bifluoride salts (Q
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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