CF3-bearing aromatic and heterocyclic building blocks
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Fluorinated-titanium dioxide (TiO2-F) nanoparticles in a pure anatase polymorph was precipitated from solution by hydrolysis of titanium oxychloride, using urea and ammonia as precipitation agents and potassium fluoride as a source of fluorine anion. A fur ...
The heterogeneous precipitation of calcium phosphates on calcium hydroxyapariLe (Ca-10(PO4)(4)OH)(2) or HAP) in the presence arid absence of fluoride is important in the formation of bone and teeth, protection against tooth decay, dental and skeletal fluor ...
Solvated radicals play an important role in many areas of chemistry, but to date, the nature of their interactions with polar solvent molecules lacks chemical interpretation. We present a computational quantum chemical analysis of the binding motives of bi ...
This article describes BP86/SV(P) (DFT) calcns. on a representative set of weakly coordinating anions (WCAs) of type [M(L)n]-, their parent neutral Lewis acids M(L)n-1 and their ate complexes with fluoride, i.e., [FM(L)n]n-1 (M = B, L = F, OTeF5, C6H5, C6F ...
Radicals play an important role in many areas of chemistry, such as atmospheric, aquatic, polymer, and biological, to name a few. Radicals are often highly reactive species which are short-lived and therefore harder to study by experimental techniques. In ...
Fluoride plasma treatment similar to that used in AlGaN/GaN HEMTs has been applied to InAlN/GaN HEMTs. Enhancement mode of operation is obtained with a pinch-off voltage shifted by 3 V. Owing to the fluoride treatment an increase of the forward gate thresh ...
Using in situ generated iodine fluoride as the reagent, bromine can be replaced by fluorine at carbocation-sustaining sites. Iodine fluoride or, being its operational equiv., the mixt. of N-iodosuccinimide and triethylamine tris(hydrogen fluoride) reacts w ...
The taste of four fluoro substituted derivs. is almost indistinguishable from that of the parent compd. 4-(4-hydroxyphenyl)butan-2-one, the main flavor component of raspberries. The same holds for the comparison between the corresponding acetate, another r ...
A review, with 17 refs. Methods for the regioselective introduction of alkoxymethyl-groups into the 2'-O-position of 5'-O-dimethoxytritylated, nucleobase-protected ribonucleosides and for the N-alkyloxycarbonylation of adenine and guanine nucleosides were ...
We have performed an ab initio mol. dynamics (MD) simulation of the structure of liq. hydrogen fluoride. Our results exhibit a strong contraction of the hydrogen bond in going from the gas to the liq. phase. The local structure of the liq. resembles that o ...