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The Fumed Silica Surface: A Study by NMR
High-resolution solid-state NMR techniques were used to investigate the surface structure of Cab-O-Sil fumed silica. 1H NMR results obtained from CRAMPS, MAS-only and relaxation... -
Enantioselective Intramolecular [2 + 2 + 2] Cycloaddition of 1,4-Diene-ynes: ...
The intramolecular [2 + 2 + 2] cycloaddition of various 1,4-diene-ynes was examined using a chiral rhodium catalyst. In the case of 1,4-diene-ynes with a substituent at the... -
Iodine as an Oxidant in the Topotactic Deintercalation of Interstitial Iron i...
The layered telluride, Fe1+xTe, is a parent compound of the isostructural and superconducting phases, Fe1+x(Te, Se, S). Here we show that, through a simple reaction of I2 vapor... -
First Synthesis of Enantiopure 1,6-Difunctionalized Dodecahydrobenz[<i>f</i>]...
An enantiospecific route to the previously unreported 1,6-difunctionalized dodecahydrobenz[f]indene ring system is described. Optically pure Hajos−Parrish ketone is used as the... -
Photonic Rubber Sheets with Tunable Color by Elastic Deformation
This article describes an elastic silicone sheet with reversible tuning structural color. The sheet has a thin layer of cubic close-packed, ccp, colloidal particles embedded in... -
Diastereoselective Encapsulation of Tartaric Acid by a Helical Aromatic Oligo...
Diastereoselective Encapsulation of Tartaric Acid by a Helical Aromatic Oligoamide -
Organically Templated Linear and Layered Iron Sulfates
Linear and layered organically templated iron sulfates have been prepared under hydrothermal conditions. The linear iron sulfates, with the compositions... -
r37980778c78--2c62f8903eae979daaf00378daff97a0
We have designed new compounds within the homologous series Ae2F2M1+nX3+n (Ae = Sr, Ba; M = main group metal; n = integer) built up from the stacking of 2D building blocks of... -
Synthesis and Characterization of a Soluble Bimetallic Oxalate-Based Bidimens...
The “templating” K crown ether cation allows for the preparation of soluble layered oxalate-based bimetallic magnets, as in [K(18-crown-6]3{Mn3(H2O)4[Cr(ox)3]3}, with an... -
Optical Resolution of (±)-1,2-Bis(2-methylphenyl)ethylene-1,2-diamine as a Ch...
(±)-1,2-Bis(2-methylphenyl)ethylene-1,2-diamine, prepared from benzil and ammonium acetate, was optically resolved as a chiral framework for... -
Regioselective Carboindation of Simple Alkenes with Indium Tribromide and Ket...
The regioselective carboindation of simple alkenes with indium tribromide and ketene silyl acetals was accomplished. Various alkenes such as ethylene, 1-alkenes, and cyclic... -
Novel Design of Tunable Organic Clay Mimic Structures Based on the Connection...
We report the design and construction of tunable organic clay mimic structures with one-dimensional supramolecular synthons and aromatic tectons. By connecting the robust... -
r37980778c78--7380be4d273cd7bfa4fdfa2a06a4f7cf
The reactions of 3-acetyl-3-aza-11-oxatricyclo[6.2.1.01,6]undec-9-ene and its 9,10-epoxy derivative with bromine and Ac2O/BF3·OEt2 under different conditions were studied.... -
Optical Microscope Study of Liquid Transport in Carbon Nanotubes
Taking advantage of the transparency to visible light of CNTs with 15 nm thick walls, we studied experimentally capillary filling, condensation, and evaporation of glycerin,... -
Phylogenetic tree of DENV2 Brazilian samples.
The maximum clade credibility (MCC) tree was inferred for 18 partial envelope sequences from the city of Santos, State of São Paulo and DENV2 reference sequences. The posterior... -
r37980778c78--c095baa5cc1a09e5d6a5b18bf5ea1a6a
A carbene transfer agent, 1,3-bis-(2,4,6-trimethylphenyl)imidazol-2-ylidene-silver(I)chloride ([IMes]AgCl), was treated with various osmium clusters. Reaction of ([IMes]AgCl)... -
The Reaction Mechanism of Bovine Lens Leucine Aminopeptidase
We present a quantum mechanical/molecular mechanical (QM/MM) study using the AM1 Hamiltonian and a flexible MM part on the mode of action of the bovine lens leucine... -
r37980778c78--ab2fa0c6fd40a6b70697658c034b87f7
A new stereocontrolled synthetic pathway to 1,2,4-trioxygenated 1,3-dienes from pyruvic aldehyde dimethyl acetal (14a) is described. Reacting the cyclohexylamine-derived imine... -
Noncentrosymmetry in New Templated Gallium Fluorophosphates
Two new noncentrosymmetric polar gallium fluorophosphates have been synthesized under mild hydrothermal conditions through the use of enantiomorphically pure sources of either... -
Continuous and Size-Dependent Sorting of Emulsion Droplets Using Hydrodynamic...
In this report, a microfluidic system is presented for continuous and size-dependent separation of droplets utilizing microscale hydrodynamics. The separation scheme is based on...
