Synthesis and crystallographic characterisation of the heterodimetallic complex [(dibenzo-18-crown-6)K(m-Cl)3Ru(h6-p-cymene)]
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The known solid-state structure of cyclo(β-HAla)4 was used to model the structure of the cyclo-β-tetrapeptide (β-HPhe-β-HThr-β-HLys-β-HTrp) as a prospective somatostatin mimic. The synthesis started with the N-protected natural amino acids Boc-Phe-OH, Boc- ...
We discuss a method for determining the optimally localized set of generalized Wannier functions associated with a set of Bloch bands in a crystalline solid. By ''generalized Wannier functions'' we mean a set of localized orthonormal orbitals spanning the ...
The reaction of [(η6-p-cymene)RuCl2]2 with some bis(phosphane) ligands (dppm, dppe, dppv, dppa, dpp14b, dppf) has been investigated. In general mixtures of products were obtained, although the pendant phosphane complexes [( ...
The use of ultrasound to measure elastic field parameters as well as to detect cracks in solid materials has received much attention, and new important applications have been developed recently, e.g., the use of laser generated ultrasound in non-destructiv ...
Incorporation of a nitrogen functionality into a tripodal N-heterocyclic carbene ligand system affords the first N-anchored tetradentate tris-carbene ligands TIMENR I (R = Me (5a), t-Bu (5b), Bz (5c)). Treatment of the Me derivatized H3TIMENMe3 imid ...
A solid-state 13C NMR spectrum, obtained with cross-polarization and magic-angle sample spinning, and a high-resoln. 13C NMR spectrum of a 0.07 M CHCl3 soln. indicated the presence of a 1:1 cis-trans ratio of the PdCl2(PMe2Ph)2 isomers in the solid-state. ...
A novel anal. technique, Fourier-transform IR photopyroelec. spectroscopy (FT-IR-P2ES) is demonstrated and applied to spectroscopic investigations of solid materials. The salient features of the technique and its advantages over other conventional FT-IR ph ...
Reaction of 1,1'-bis(diphenylphosphino)binaphthol (BINAPO, 1) with [RuCl2(η6-arene)]2 in methanol leads to dinuclear BINAPO-bridged Ru compounds [{RuCl2(η6-p-cymene)}2-(μ-BINAPO)], 2a, in ne ...
The authors describe a two-dimensional high-resoln. solid-state NMR methodol. for correlating the dynamics of mol. rearrangements around the crit. points of equil. phase transitions in mol. solids. It combines the techniques of temp.-jump and two-dimension ...
The two known Me- and allyl-substituted 1H-imidazol-3-ium bromides 1 and 2, respectively, were converted to the corresponding BF4- and BPh4- salts 3-6 (Scheme 1). Compounds 3 and 4 were liquids at ambient temperature. Reaction of 1 or 2 with [PdCl2] afford ...