Zobrazeno 1 - 10
of 80
pro vyhledávání: '"R.S. Downing"'
Autor:
Ian E. Maxwell, R.S. Downing, Silvia Gomez, Th. Maschmeyer, André Harmen Sijpkes, P. van den Brink
Publikováno v:
Topics in Catalysis. 24:125-135
High-throughput experimentation, employed in conjunction with rational experimental design, simulation and data-processing methods, is producing great improvements in the effectiveness of catalysis research and the development of catalytic processes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35bbab6c8d6a608d8946d5dfcee7e781
https://doi.org/10.1023/b:toca.0000003084.52115.fa
https://doi.org/10.1023/b:toca.0000003084.52115.fa
Publikováno v:
Topics in Catalysis. 13:275-280
In the acylation of anisole with octanoic acid, Nafion/silica composites were the most active slurry catalysts, compared to zeolite catalysts. Monolithic structures were coated successfully with Nafion. Tested in the acylation, these structured catal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc98c51266abcc355250110c750a38b9
https://doi.org/10.1023/a:1009053410163
https://doi.org/10.1023/a:1009053410163
Autor:
R.S. Downing, Roger A. Sheldon
Publikováno v:
Applied Catalysis A: General. 189:163-183
Progress towards environmentally responsible processing is marked by the elimination of waste and by-product generation and reduced dependence on hazardous chemicals. The key to both is often provided by catalytic as alternatives to stoichiometric pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8db1bb90e7ca2addc2b32119c157b86
https://doi.org/10.1016/s0926-860x(99)00274-4
https://doi.org/10.1016/s0926-860x(99)00274-4
Publikováno v:
European Journal of Organic Chemistry. 1999:837-846
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::affcceb64708f61a52df0fdf0458b021
https://doi.org/10.1002/(sici)1099-0690(199904)1999:4<837::aid-ejoc837>3.0.co
https://doi.org/10.1002/(sici)1099-0690(199904)1999:4<837::aid-ejoc837>3.0.co
Autor:
E.J. Creyghton, R.S. Downing
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 134:47-61
A review of the application of zeolite systems in shape-selective hydrogenation and hydrogen transfer reactions is presented. Two different types of catalytic systems are discussed. The first consists of metal clusters or coordination complexes encap
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::279e1b9cb4e096a7bd63264c1042ecc0
https://doi.org/10.1016/s1381-1169(98)00022-3
https://doi.org/10.1016/s1381-1169(98)00022-3
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 134:129-135
Results are presented on the use of zeolites as catalysts in organic rearrangements of interest in the synthesis of fine chemicals viz., the rearrangement of epoxides and α,β-epoxy ketones, the Claisen rearrangement of allyl aryl ethers and an intr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25b61090a6df447f2435f409339a903f
https://doi.org/10.1016/s1381-1169(98)00029-6
https://doi.org/10.1016/s1381-1169(98)00029-6
Autor:
Herman van Bekkum, Boudewijn J. Zuurdeeg, Jurg Bremmer, R.S. Downing, Jan C. van der Waal, P.J. Kunkeler
Publikováno v:
Catalysis Letters. 53:135-138
Zeolite titanium Beta is found to be an effective catalyst for the industrially relevant rearrangement of α-pinene oxide to campholenic aldehyde, giving selectivities of up to 89% in the liquid phase. In the gas phase, up to 94% selectivity is obtai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b2238f172ef4d8f92eb92b3000f6763
https://doi.org/10.1023/a:1019049704709
https://doi.org/10.1023/a:1019049704709
Publikováno v:
Catalysis Today. 37:121-136
The most important manufacturing processes for aniline and other bulk arylamines are based on the continuous catalytic hydrogenation of nitro compounds, employing heterogeneous copper, nickel or platinum-group metals. For more complex amines produced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f15dbf15f939c9a70c5917f9ce19ed09
https://doi.org/10.1016/s0920-5861(97)00005-9
https://doi.org/10.1016/s0920-5861(97)00005-9
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 115:226-230
Zeolite H-BEA and other solid acids have been shown to be effective catalysts for the production of coumarin derivatives from activated phenols and acids or esters possessing an additional alkylation function, or β-keto esters (Pechmann reaction). T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1da2c296a901428c8894abc584c13f66
https://doi.org/10.1002/recl.19961150407
https://doi.org/10.1002/recl.19961150407
Publikováno v:
Microporous Materials. 5:299-307
Allyl 3,5-di-tert-butylphenyl ether is being developed as a multifunctional probe for testing the outer surface activity of zeolites. Its use is demonstrated by the hydrogenation of the double bond over platinum/H-BEA, in which comparison with variou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ee598cdb27d353b8db9eb1265b06879
https://doi.org/10.1016/0927-6513(95)00065-8
https://doi.org/10.1016/0927-6513(95)00065-8