WebThe purpose for using both phenylated bispyridinium ditosylate and phenyl phosphine oxide moieties in the backbone is to develop advanced polymeric structural materials with high thermal stability, high glass transition temperature, and enhanced photophysical, electrochemical, thermal, and mechanical properties. ... For triflimide counterions ... WebApplications. N-Phenylbis (trifluoromethanesulfonimide) acts as a mild triflating reagent as well as a transparent strong electron-withdrawing p-type dopant in carbon nanotubes. It is also employed as a reactant for the preparation of amphoteric alfa-boryl aldehydes. It plays an important role in the enantioselective synthesis of the core ring ...
Triflate - Wikipedia
WebNov 22, 2008 · A mild triflating reagent is phenyl triflimide or N,N-bis(trifluoromethylsulfonyl)aniline, where the by-product is [CF3SO2N-Ph]-. Selected response from: ysun United States Local time: 05:45: Grading comment. google果然查到“三氟甲磺酰化”，如果从triflating agent想到triflation，就能google到这个说法。 ... WebApr 10, 2024 · The principal difference between 1-benzyl-3-methyl-imidazolium triflimide [BzC1im][NTf2] and an equimolar mixture of benzene and dimethylimidazolium triflimide [C1C1im][NTf2] is that in the former the benzene moieties are tied to the imidazolium ring, while in the latter they move independently. the 5 vices of sikhism
N-Phenyl-bis(trifluoromethanesulfonimide) 99 37595-74-7 …
WebAlternative Name: PEG‐triflimide. Solubility: soluble in CHCl 3, CH 2 Cl 2, benzene, toluene, DMF, DMSO, CH 3 CN, CH 3 OH, H 2 O, acetone. Insoluble in diethyl ether, t‐butyl methyl ether, iso‐propanol. Form Supplied in: ivory/pale brown powder. Analysis of Reagent Purity: 19 F NMR of a CDCl 3 solution of the reagent (δ −67.1). In organic chemistry, triflate (systematic name: trifluoromethanesulfonate), is a functional group with the formula R−OSO2CF3 and structure R−O−S(=O)2−CF3. The triflate group is often represented by −OTf, as opposed to −Tf, which is the triflyl group, R−SO2CF3. For example, n-butyl triflate can be written as … See more A triflate group is an excellent leaving group used in certain organic reactions such as nucleophilic substitution, Suzuki couplings and Heck reactions. Since alkyl triflates are extremely reactive in SN2 reactions, … See more • Methyl triflate • Nonaflate • Trifluoromethanesulfonic acid See more Triflate salts are thermally very stable with melting points up to 350 °C for sodium, boron and silver salts especially in water-free form. They can … See more WebJan 1, 1973 · Triflation of phenol proceeded at -78with triethylamine in methylene chloride to phenyl triflate (OSOZCF3) in 95% yield, a considerable improvement over triflation with the … the-5w