reactivity and catalysis
Synthesis and reactivity of new silyl substituted monocyclopentadienyl molybdenum and tungsten complexes
... In addition, there has been growing interest in the development of supported catalytic systems because the attachment of metal complexes to organic polymers or inorganic supports [6] combines the most advantageous ...
7
TítuloSynthesis of bench stable solid triorganoindium reagents and reactivity in palladium catalyzed cross coupling reactions
... palladium catalysis to afford the coupling products in good ...reactions and this demonstrates the versatility and utility of these solid ...complexes and their applications in synthesis are ...
9
Asymmetric catalysis and molecular recognition using different platforms: homogeneous systems, functionalized polymers and magnetic nanoparticles
... level and readily soluble in the reaction ...substrate and often show high catalytic activity and selectivity, even under mild ...expensive and tedious purification ...sustainable and ...
438
Vinylic Addition Polynorbornene in Catalysis
... transformation, and this moiety can be introduced either by controlled polymerization of suitable functionalized monomers or by post-polymerization functionalization ...molecules and therefore, their ...
12
Gold catalysis: Total Synthesis of the Englerins and an Approach Towards Shisanwilsonene A
... opening, and a Favorskii rearrangement to finally give the cyclopentane intermediate II-29 in 77% overall yield (Scheme ...reduction and selective oxidation of II-30 in 87% yield, was epimerized to give ...
285
Computational studies on host-guest catalysis
... angles, and numerous dihedrals) and intend to minimize a associated property (in our case the ...first and sometimes seconds derivatives), they extrapolate the next “step” and the new value to ...
177
Chemical structure and reactivity by means of quantum chemical topology analysis
... chemistry and quantum mechanics and shows that there is no need to invoke any arbitrary reference densities since all chemistry is already hidden in ρ ...crystal and for the treatment of the ...
44
Gold catalysis for the synthesis of protoilludane sesquiterpenes and other cyclic systems
... Remarkably, humulene-related derivatives are rare in fungi because this intermediate is further elaborated mainly to bicyclic and tricyclic sesquiterpenes. However, some plants are known to contain humulene- ...
262
Reactivity of Tuck over Titanium Oxo Complexes with Isocyanides
... This species shows some structural analogies to the start- ing compound 2, and confirms the preference of the iso- cyanide molecule to be inserted into the Ti-neopentyl bond. Once again, both metal centers exhibit ...
11
Magnetic catalysis of a charged Bose Einstein condensate
... Nevertheless, one can argue that if in the absence of a magnetic field the system is already in the condensed phase with a macroscopic fraction of the population occupying the lowest energy level, a slow turning on of ...
11
Quantitative representation of reactivity, selectivity and site activation concepts in organic chemistry
... selectivity and site activation are classical concepts in chemistry which are amenable to quantitative representation, in terms of static global, local and non local density response ...(chemical ...
24
Zirconium and hafnium complexes with (allylsilyl)(η amidosilyl) η5 cyclopentadienyl ligands: synthesis, structure and reactivity
... four-legged piano-stool arrangement if the centroid of the cyclopentadienyl ring is taken into consideration. The value of the Zr–N bond length is consistent with double-bond character and falls in the range ...
9
Heterometallic Cube Type Molecular Nitrides
... procedure, and most appropriate for nitrido clusters of mid and late transition metals, is the reduction of an oxidized nitrogen source with a low-valent metal center or a reduced ...
58
Transition metal complexes with functionalized silyl substituted cyclopentadienyl and related ligands: synthesis and reactivity
... processes and with their wider synthetic ...interest and their coordi- nation via cyclopentadienyl anchoring ligands offers a possible route to heterogeneous catalysts using organic or inorganic ...
52
Síntesis de ésteres metílicos de ácidos grasos empleando catalizadores de zinc con propiedades ácido-base
... Structural and surface study of calcium glyceroxide, an active phase for biodiesel production under heterogeneous catalysis, Journal of Catalysis 300 (2013) ...Energy and Fuels 22 (2008) ...
32
Synthesis and reactivity of di(silylamido)cyclopentadienyl titanium and zirconium complexes
... catalyst and the tendency to produce lower molecular weight materials under convenient commercial operating ...commercial and academic labs to develop other coordination com- pounds in which the selectivity ...
12
PLANIFICACIÓN DE LA ASIGNATURA Y CÓDIGOS DE REFERENCIA PARA EL DISEÑO DE PROGRAMACIONES DIDÁCTICAS
... the reactivity series to describe the reactions of metals with oxygen, water and acids; draw on qualitative evidence from several sources to place metals in order of reactivity; use qualitative ...
10
Variabilidad de los isótopos de carbono en los carbonatos y carbono orgánico preservados en los sedimentos laminados en la frontera meridional de la Corriente de CaliforniaVariability of carbon isotopes in carbonates and organic carbon preserved in laminated sediments in the meridional California Current border
... direction and magnitude of the atmospheric carbon invasion in surface waters for the last 3 ...N and 112° 44’ W), a semi closed basin by a system of large faults parallel to the Baja California Peninsula, ...
115
Low dose of sublingual immunotherapy in patients with allergic rhinitis in a randomized double blind placebocontrolled study
... done and was not their goal, by stu- dying compliance on SLIT at 3 and 6 months of treatment they found compliance to be satisfactory, with once-daily administration and a simple updosing schedule ...
8
Giant polyoxometalates : dynamic structure and reactivity
... orbitals and consequently they are commonly called metallic electrons or blue electrons, due the characteristic colour of the electron transitions in the most com- mon ...electrons and conse- quently they ...
199
