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Introduction The selective hydrogenation of α,β-unsaturated aldehydes to the corresponding unsaturated alcohol is important in fine chemistry, due to the added value of these products. It is well known that the C=C group is

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. Neill , S. J. , Desikan , R. , Clarke , A. , Hurst , R. , Hancock , J. ( 2002 ) Hydrogen peroxide and nitric oxide as signalling molecules in plants . J. Exp. Bot. 53 , 1237 – 1247 . 3

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]. Nanotubular titanates can be potentially utilized in a wide range of applications, including catalysis, photocatalysis, hydrogen storage, lithium batteries and solar cells [ 2 ]. Since their discovery by Kasuga et al. in 1998 [ 3 ], much effort has been spent

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Introduction In the near future, hydrogen as an energy carrier could replace fossil fuels. In contrast to traditional fuels hydrogen burns to water and does not pollute the environment. Enormous financial resources in the

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industrial processes for producing the corresponding alcohols because some benzaldehydes are commercially available at reasonable prices [ 1 , 2 ]. Accordingly, development of effective catalysts for the hydrogenation of benzaldehydes under mild reaction

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Introduction The hydrogenation of nitro compounds is an interesting industrial process for the manufacture of a great variety of oximes, amines and amides. Of these, cyclohexane oxime and ∊-caprolactam are important

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effective supports for Pt and Ru nanoparticles in the hydrogenation of unsaturated compounds [ 3 – 5 ]. Organic–inorganic nanocomposites take the advantages of organic polymers like flexibility, toughness, hydrophobicity and versatility for further

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organocomplexes is a dynamic field of physical and organic chemistry, with the Nobel Prize in 2001 granted for the invention of active chiral complexes for stereoselective hydrogenations [ 6 ]. The solely stereochemical point of view is certainly not complete

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Introduction Hydrogen has received growing attention as a medium of solar energy storage and transfer. In contrast to conventional fossil fuels, hydrogen is environmentally clean and has higher energy capacity per weight than

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Introduction Unsaturated alcohols are important intermediates used in fragrance, cosmetic and pharmaceutical industries [ 1 ]. The vapor-phase selective hydrogenation of crotonaldehyde, a classical α,β-unsaturated aldehyde, to

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