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The structure sensitivity of a liquid-phase 1-hexyne hydrogenation was studied using monodispersed nonsupported Pd nanoparticles of 6, 8, 11, 13, and 14 nm diameter. The particles were prepared via a reverse microemulsion water/AOT/isooctane. The size was ...
FeCl2 catalyzes the oxidative C-C cross-coupling of tertiary amines with terminal alkynes into propargylamines using (t-BuO)2 as oxidant. The reaction can be applied to aromatic and aliphatic amines and alkynes without solvent. High chemoselectivity for am ...
Energies of alkanes computed with many popular and even newer density functionals are flawed by systematic errors, which become considerable with larger molecules. The same energies, however, are well described by post-Hartree-Fock methods. Similar DFT sho ...
Infrared (IR) absorption spectroscopy and mass spectrometry have been simultaneously applied to dusty radiofrequency (RF) plasmas in methane, acetylene and ethylene. The combination of IR absorption spectroscopy and mass spectrometry allows the chemical co ...
The C-13-{H-1} NMR spectra of two monofluorinated nematic liquid crystals, I35 and I52, have been obtained and analysed to yield sets of dipolar couplings, D-iF, from each carbon in the molecule to the fluorine nucleus. The couplings involving carbons in t ...
A series of novel peptide N-caps was designed with an emphasis on ease of synthesis and an abundance of hydrogen bond acceptors. Different scaffolds based on sugars, cyclic hydrocarbons, and amino acids are developed with a variety of hydrogen bond accepto ...
4-Vinyl pyridine was grafted to the surface of the cellulosic membrane Cuprophan, and subsequently alkylated with both non-fatty acid-like C10 (GVP-C10) and fatty acid-like C16 (GVP-C16) aliphatic chains. In vitro albumin adsorption studies from single and ...
Chiral esters and amides (I) of pyrrolidine-2-carboxylic acid are new. - Chiral esters and amides of pyrrolidine-2-carboxylic acid, having formula (I), are new. - A = groups F1 or F2; - R' and R'' = 1-20C hydrocarbyl, i.e. acyclic, linear or branched, satu ...
A few years ago the concept of homogeneous arene hydrogenation catalysis was called into question, since many catalysts originally assigned as homogeneous have subsequently been shown to be precursors to heterogeneous ( colloidal or nanoparticulate) cataly ...
Crystals of hexamethylenetetramine (HMT) with aliphatic dicarboxylic acids in 1:1 molar ratio exhibit different behaviour depending on the number n of carbons in the aliphatic chain. For n=8 and 10, incommensurate phases have been observed, while for n=9, ...
