Solvent-free
Electrochromic performance of WO3 thin films with solvent free viscous electrolytes based on polyethylene glycol titanium oxide nanocomposites
... Electrolytes work as ionic conductor -reservoir and as a separator of electrodes in electrochemical devices such as lithium batteries, dye-sensitized solar cells, electrochromic windows and sensors [1,2]. They can be ...
6
Comparison of glycerolysis of sardine oil by Lipozyme 435 in solvent free and SC CO2 media
... means of a high pressure pump (ISCO 260 D) up to the desired pressure, which was maintained by a digital pressure controller. Operating temperature and pressure have been varied in the range between 40-90ºC and 15-25 ...
6
The role of proton shuttling mechanisms in solvent free and catalyst free acetalization reactions of imines
... Solvent-free and catalyst-free reactions of the type NuH + E → Nu – EH (NuH = alcohols or amines, E = N-carbonyl imines) have been computationally and synthetically explored. Both addition reactions ...
13
Bottom up Synthesis of Novel Supported Thioureas and Their Use in Enantioselective Solvent free Aza Henry and Michael Additions
... The co-polymerization of these thioureas with styrene and divinylbenzene, in different conditions, allowed for the synthesis of four different polymeric materials, which was used [r] ...
17
Chiral Ureas and Thioureas Supported on Polystyrene for Enantioselective Aza Henry Reaction in Solvent free conditions
... General procedure to enantioselective Aza-Henry reaction using homogeneous catalysts. To a mixture of Boc-imine 29a (62 mg, 0.3 mmol) and catalyst 26 (10 mg, 0.015 mmol, 0.05 eq), nitromethane (0.1 mL, 1.8 mmol, 6 equiv) ...
27
Reactivity of chlorodimethylsilyl η5 cyclopentadienyltrichlorotitanium with nitrogen based donors X ray molecular structure of [Ti{η5 C5H4SiMe2[η1 N(2,6 Me2C6H3)]}Cl2]
... All manipulations were performed under argon using Schlenk and high-vacuum line techniques or a glovebox model HE-63 or MBraun. Solvents were purified by distillation under argon from an appropriate drying agent (sodium ...
8
On super free fall.
... Fortunately, the oversight of Villermaux & Pomeau (2010) in applying Paterson's equation to an inverted cone does not affect the fundamental results they report, only the details[r] ...
12
Spectroscopic study of solvent effects on the electronic absorption spectra of flavone and 7-hydroxyflavone in neat and binary solvent mixtures
... the solvent effects on the optimized structures in gas-phase the Polarizable Continuum model with the integral equation formalism (IEF-PCM) [33] was used, and the UA0 standard radii were employed to build the ...
18
A theoretical study of the Duff reaction : insights into its selectivity
... Although the same picture of the first step of this reaction is widely accepted in order to obtain the intermediate iii, several postulates may be found through the literature, explain- ing how the iminium intermediate ...
6
Preferential solvation of 4 hydroxy 2,5 dimethyl 3(2H) furanone (DMHF) in ethanol + water mixtures according to IKBI and QLQC methods
... of non-electrolyte compounds in co-solvent mixtures, describing the local compositions around the solute with respect to the different components present in the solvent mixture (Marcus, 2002, 2009, 2013). ...
10
Preferential Solvation of Indomethacin in Some Aqueous Co Solvent Mixtures
... Thereby, the main goal of this paper is to evaluate the preferential solvation of IMC in ethanol (EtOH) þ water and propylene glycol (PG) þ water co-solvent mixtures. It is important to note that EtOH and PG are ...
10
Sistematización de experiencias FREE PRESS
... transacción hacia un marketing orientado a la relación, deben desarrollar programas que contribuyan a que sus clientes sean más leales. El reto consiste en desarrollar relaciones especiales con los clientes de modo que ...
90
TítuloMicrobial solvent regeneration in biotreatment of air contaminated by styrene
... Tests of sequential styrene degradation were conducted over a continuous period of 40 days. During these operations input styrene concentrations in the gas phase were adjusted in order to change the styrene load in the ...
8
Solvent and ligand induced switch of selectivity in gold(I) catalyzed tandem reactions of 3 propargylindoles
... with (Ph 3 P)AuCl/AgSbF 6 as catalyst in CH 2 Cl 2 (Scheme 4) [13,14]. Again, the use of the phosphite–gold complex as cata- lyst and toluene as solvent slightly favored the Nazarov pathway: Approximately 3/1 ...
8
Resumen ejecutivo de proyecto fin de máster: E-xperience. Free feelings, free move
... 7) Firma de contrato con las empresas gestoras de Aparcamientos, como EMPARK e INTERPARKING, para alquiler de un pool de 20 plazas para el año 2012, con posibilidad de ampliar en a[r] ...
30
Antibacterial and remineralizing fillers in experimental orthodontic adhesives
... wetting of the orthodontic adhesive and thus decreased bacterial fixation around the brackets [28]. Furthermore, BNNT particle size ranges from 5 to 10 nm according to previous studies [29]. The addition of nanoparticles ...
11
Free Better Than Free
... a free copy of a work and throw it on a ...is free—the bodily performance ...is free; the bodily talk is ...a free copy is an excellent illustration of the power of ...
11
Divinorum Extractions using Chilled Acetone
... the solvent evaporates the dark impurities in the fluid will coat the upper portion of the glass tube leaving the purer salvinorin solids to coat the lower portions of the tube at a fairly high purity which can ...
13