Anguinomycins and Derivatives: Total Syntheses, Modeling, and Biological Evaluation of the Inhibition of Nucleocytoplasmic Transport
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2,2,6,6-Tetramethylpiperidine (tmpH) reacts smoothly with AlX3 (X = Cl, Br, I) and AlH2Cl.2THF to give the addn. compds. tmpH.AlX3 (X = Cl, Br, I) and tmpH.AlH2Cl, resp. These adducts of the secondary amine tmpH are stable and do not undergo intramol. elim ...
Polarized fluorescence spectra were recorded in the vicinity of the Se and Br K edges on crystals of the selenated protein aldose reductase in complex with a brominated inhibitor molecule. The X-ray absorption, refraction and resonant scattering tensors as ...
Mol. dynamics simulations (MDS) of the structural rearrangements on the pathway leading to procaspase 3 (I) activation are presented. A retrostructural approach was used to build I from mature caspase 3 (II). The peptide bond that was cleaved during enzyme ...
A novel lithium salt, cyclobutane-1,1-dicarboxylic lithium was synthesized and characterized by NMR, IR, ESI-MS, X-ray single crystal analysis, and TG/DTG (TGA) thermal analysis. The crystal structure information reveals the coordination polymer nature and ...
N,N-Bis(diphenylphosphino)ethylaniline compounds, Ph2PN-C6H4-C2H5, with ethyl groups at the ortho- and para-positions have been synthesized. Oxidation of the aminophosphines with hydrogen peroxide, elemental sulfur and selenium gave the corresponding ...
We present a 5 m long spectrometer for soft x rays to be used at a synchrotron radiation beamline for resonant x-ray emission spectroscopy and resonant inelastic x-ray scattering in the 400-1600 eV energy range. It is based on a variable line spacing spher ...
High-resolution transmission electron microscopy (HRTEM), electron microdiffraction, and X-ray diffraction were used to study hydroxyapatite specimens with particle sizes from a few nanometers to several hundreds of nanometers. Diffuse scattering (without ...
We report the total synthesis of a series of pyrrolizidine analogues of casuarine (1) and their 6-O-alpha-glucoside derivatives. The synthetic strategy is based on a totally regio- and stereoselective 1,3-dipolar cycloaddition of suitably substituted alken ...
Hexafluoro-2-butyne, CF(3)Cequivalent toCCF(3), reacts with the triangulo-clusters [Pt-3 (mu-CO)(3)(PR3)(3)] to give the diplatinum(o) compounds [Pt-2(CO)(2)(PR3)(2)(mu-eta(2):eta(2)-CF(3)Cequivalent toCCF(3))] {PR3=PPh3 (1), PBzPh(2) (2), PCy3 (3), (PPr3) ...
Tissue transglutaminase (tTG) has been implicated in the pathogenesis of Parkinson disease (PD). However, exactly how tTG modulates the structural and functional properties of alpha-synuclein (alpha-syn) and contributes to the pathogenesis of PD remains un ...
American Society for Biochemistry and Molecular Biology2009