Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) melt processed disks and solvent cast films were modified by graft co-polymerization with acrylic acid (AAc) in methanol solution at ambient temperature using gamma irradiation (dose rate of 4.5 kGy/h). To assess the presence of carboxylic acid groups
Journal of chromatography. A, 1273, 34-43 (2013-01-02)
Pentafluorophenyl and phenyl silica stationary phases offer alternative selectivity compared to alkyl bonded C₁₈ and C₈ stationary phases, through other interactions such as π-π interactions, dipole-dipole and hydrogen bond interactions. Pentafluorophenyl and phenyl silica bonded stationary phases were efficiently prepared
Chemical communications (Cambridge, England), (29)(29), 3384-3386 (2008-07-18)
The rational design of a ligand containing two electron-poor pi-rings, i.e. a triazine and a pentafluorophenoxy groups, has allowed the preparation of a copper complex where both the anticipated anion...pi interactions are present.
Dalton transactions (Cambridge, England : 2003), (27)(27), 2851-2858 (2007-07-04)
Recent advances in the chemistry of pentafluorophenyl copper are discussed, including the observation of strongly luminescent adducts with pyridine, the first successful structural characterization of an organocopper-arene complex, and the complexation with electron-rich transition metal complexes such as ferrocene derivatives.
A mixture of 5- and 6-carboxyfluorescein was activated with 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide hydrochloride in the presence of either N-hydroxysuccinimide or pentafluorophenol to give the corresponding succinimidyl and pentafluorophenyl esters. The regioisomeric mixtures were separated to give the 5- and 6-succinimidyl and pentafluorophenyl
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