Zobrazeno 1 - 10 of 163 pro vyhledávání: '"Antonius P.G. Kieboom"'
1
A general coordination-ionization scheme for polyhydroxy carboxylic acids in water
Autor: H. van Bekkum, Joop A. Peters, M. Van Duin, Antonius P.G. Kieboom
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 108:57-60
The structural changes of coordination compounds of polyhydroxy carboxylic acids as a function of the pH are discussed. A general coordination-ionization scheme, based on literature data and covering some forty cations, is provided. The following tre
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4bdde476a6e9ec0701f839ccb8fce823
https://doi.org/10.1002/recl.19891080204
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2
Stereochemistry of cyclopropane ring hydrogenolysis
Autor: H. J. Van Benschop, Antonius P.G. Kieboom, H. van Bekkum
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 93:186-189
The hydrogenolysis of trans-1,2-dimethyl-1,2-diphenylcyclopropane has been studied using palladium, platinum, rhodium and Raney-nickel as the catalysts. The latter three metals show a rather low stereospecificity, i.e. 40% suprafacial versus 60% anta
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf2b83add6d54f4ad582c57f6225ca7b
https://doi.org/10.1002/recl.19740930704
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3
The effect of pH and temperature on the periodate oxidation of sucrose
Autor: Leendert Maat, F. van Rantwijk, Antonius P.G. Kieboom, D. de Wit
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 109:518-522
The oxidation of sucrose with periodate was studied at different pH and temperature. Open-chain di- and tetraaldehydes thus obtained were analyzed using HPLC. The ratio of singly oxidized glucose rings to doubly oxidized glucose rings proved to be de
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1bffaff641130b510f1bc11aebb2935
https://doi.org/10.1002/recl.19901091006
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4
Electronic and steric effects in the hydrogenation of alkyl aryl ketones on palladium
Autor: H. van Bekkum, K.J.G. van De Putte, Antonius P.G. Kieboom
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 88:52-61
The hydrogenation of some forty aromatic ketones to the corresponding alcohols has been studied in ethanol using carbon-supported palladium as the catalyst. Zero order kinetics with respect to ketone is observed. For acetophenones electronic substitu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::79072139691c57330c692f5589f335ad
https://doi.org/10.1002/recl.19690880109
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5
Conversion of D-ribo-3-hexosulose into D-ribulose and D-erythronic acid in aqueous medium
Autor: Antonius P.G. Kieboom, Leendert Maat, F. van Rantwijk, D. de Wit
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 110:271-274
The decomposition of D-ribo-3-hexosulose in water, studied by HPLC, gave D-ribulose (60-65%) and D-erythronic acid (20%), both isolated by column chromatography. D-Ribulose was characterized using LC-MS and NMR. From the latter technique, the ratio o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ee89c11d440e07f007c90402e0a61ded
https://doi.org/10.1002/recl.19911100603
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7
Synthesis of meso- and (±)-2,2′-bis(carboxymethoxy)oxydiacetic acid via cis- and trans-2,5-(diallyloxy)-2,5-dihydrofuran: Model compounds for the calcium complexation of oxidized sucrose
Autor: H. van Bekkum, Maarten S. Nieuwenhuizen, Antonius P.G. Kieboom
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 101:339-342
Cis- and trans-2,5-diallyloxy-2,5-dihydrofuran have been prepared by acid catalyzed transacetalization of 2,5-dimethoxy-2,5-dihydrofuran with allyl alcohol. As a by-product, 1,1,3-triallyloxypropane was formed from 2-allyloxy-2,5-dihydrofuran interme
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::34d882d0c69216114e76cc0d4ec27d61
https://doi.org/10.1002/recl.19821011004
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8
Substituent effects in the dehydration of 2-aryl-3-methyl-2-butanols and in the subsequent isomerization of 2-aryl-3-methyl-1-butenes in sulfuric acid-acetic acid and in dimethyl sulfoxide
Autor: Antonius P.G. Kieboom, H. van Bekkum
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 88:1424-1436
The dehydration of a series of 2-aryl-3-methyl-2-butanols and the subsequent isomerization of the 2-aryl-3-methyl-l-butenes primarily formed to the corresponding 2-butenes have been studied in sulfuric acid-acetic acid and in dimethyl sulfoxide. The
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::87cc7a4d732f7f75bca6bb903ba59923
https://doi.org/10.1002/recl.19690881207
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9
The complexation of calcium(II) and lanthanide(III) cations with the phosphate substitute (carboxymethoxy)succinate (CMOS), as studied by magnetic resonance spectroscopy
Autor: W.M.M.J. Bovée, J. A. Peters, H. Vroon, C. A. M. Vijverberg, Antonius P.G. Kieboom, H. van Bekkum
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 102:255-263
The complexation of trisodium (carboxymethoxy)succinate (Na3CMOS) with calcium(II) and with lanthanide(III) cations has been studied using NMR spectroscopy. Structural information has been obtained from lanthanide-induced shifts (LIS), T1 relaxation
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a0e94251fa469e4f17e82e6e72ec23ed
https://doi.org/10.1002/recl.19831020502
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10
Alkaline degradation of monosaccharides V: Kinetics of the alkaline isomerization and degradation of monosaccharides
Autor: J. M. De Bruijn, Antonius P.G. Kieboom, H. van Bekkum
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 106:35-43
A new kinetic model for the alkaline isomerization and degradation of monosaccharides is presented which includes the interconversion of D-glucose, D-fructose, D-mannose and D-psicose. Computer simulations using this model fit the experimental data a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3d33ac99e2594928a614b903cfb89ed5
https://doi.org/10.1002/recl.19871060201
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