Zobrazeno 1 - 10
of 81
pro vyhledávání: '"Udo Engelhardt"'
Autor:
David Rowat, Udo Engelhardt
Publikováno v:
Fisheries Research. 84:109-113
Whale sharks (Rhincodon typus) have long been known to the local community of Seychelles, especially the fishers, but the sharks have never been exploited there as a food resource. The growing interest in the species by visitors to the islands prompt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d5c69a0eecb110f134e50fe68a43e60
https://doi.org/10.1016/j.fishres.2006.11.018
https://doi.org/10.1016/j.fishres.2006.11.018
Autor:
Udo Engelhardt
Publikováno v:
Coordination Chemistry Reviews. 235:53-91
Hydrazine as bifunctional molecule is found in a large variety of inorganic heterocycles that are called ‘nonalternating’, since they do not have a simple (AB) n constitution. The synthesis and properties and structures of many title-mol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ec801b0df6b7c9338266be84aa45d12
https://doi.org/10.1016/s0010-8545(02)00179-0
https://doi.org/10.1016/s0010-8545(02)00179-0
Publikováno v:
Polyhedron. 18:2557-2562
The reaction of [t-BuNPCl]2 (1a) with the diols 2,2′-dimethyl-1,3-propanediol, 2,2′-methylenebis(6-t-butyl-4-methylphenol), bis(2-hydroxy-1-naphthyl)methane and 2,2′-biphenyldimethanol affords the novel bicyclic compounds [(t-BuN)P]2[-OCH2CMe2C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2d1a55c51763f07c1a364cee86ebc0c
https://doi.org/10.1016/s0277-5387(99)00153-9
https://doi.org/10.1016/s0277-5387(99)00153-9
Publikováno v:
Journal of the Chemical Society, Dalton Transactions. :891-900
The reaction of N4P4Cl8 1 with the difunctional reagents 2,2′-methylenebis(4,6-di-tert-butylphenol) (as its disodium salt) and N,N′-diisopropylpropane-1,3-diamine gave the spirocyclic products 2,2-N4P4{[O-4,6-(t-Bu)2C6H2]2CH2}Cl6 4 and 2,2-N4P4[N
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af6e788616a943fdf64afa409938228d
https://doi.org/10.1039/a807373b
https://doi.org/10.1039/a807373b
Autor:
Robert T. Paine, Brian M. Rapko, John R. FitzPatrick, Timothy P. Deere, Evelyn M. Bond, Udo Engelhardt
Publikováno v:
Solvent Extraction and Ion Exchange. 16:967-983
The liquid/liquid extraction of Am(III) from nitric acid solutions with chloroform solutions of 2,6 bis[(diphenylphosphino)methyl] pyridine N,P,P′ trioxide (ENOPOPO) is examined. Americium(IU) is efficiently extracted from aqueous solutions at high
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfa97d6248c7978209588ae19cd39708
https://doi.org/10.1080/07366299808934563
https://doi.org/10.1080/07366299808934563
Autor:
Evelyn M. Bond, Udo Engelhardt, Timothy P. Deere, Brian M. Rapko, Robert T. Paine, John R. FitzPatrick
Publikováno v:
Solvent Extraction and Ion Exchange. 15:381-400
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e501977c44d03c5fd1c12c04161848cd
https://doi.org/10.1080/07366299708934484
https://doi.org/10.1080/07366299708934484
Publikováno v:
Zeitschrift f�r anorganische und allgemeine Chemie. 623:913-918
Im Gegensatz zu sekundaren Aminen greifen die beschriebenen N-alkylierten Dihydrazidoderivate der Phosphorsaure Hexachlorcyclotriphosphaza-l,3,5-trien ausschlieslich geminal an und reagieren daher zu spirocyclischen Systemen. Die Synthese und spektro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95ec065ec48b76b8e8dd93ec7b3b865b
https://doi.org/10.1002/zaac.199762301144
https://doi.org/10.1002/zaac.199762301144
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 51:670-673
4,4,6,6-Tetrachloro-1',2',4',5'-tetramethyl-6'-phenoxy6'-thioxocyclotriphosphazene-2-spiro-3'-cyclodi[λ 5 phosphadiazane], C 10 H 17 Cl 4 N 7 OP 4 S, was synthesized in our laboratory from hexachlorocyclotriphosphazene and bis(N,N'-dimethylhydrazido
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab12fd9eea8c99efde775967f5dbd17b
https://doi.org/10.1107/s0108270194001447
https://doi.org/10.1107/s0108270194001447
Publikováno v:
Zeitschrift f�r anorganische und allgemeine Chemie. 620:1434-1438
Reaktionen der Spiroverbindung 4,4,6,6-Tetrachlor-6′-phenoxy-6′ -thioxo-cyclotriphosphazen-2-spiro-3′-cyclodi(phosphadiazan) Cl4N3P3(NHNH)2P(S)OC6 H5 mit Ammoniak, Cyclopropylamin, Aziridin und Natriumphenolat werden untersucht. Sie fuhren zu t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::061edf3c47595fae221be23cedf6549e
https://doi.org/10.1002/zaac.19946200819
https://doi.org/10.1002/zaac.19946200819
Autor:
Udo Engelhardt, B. Stromburg
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 49:1643-1646
The compound 2,8,10-triphenoxy-9-oxa-1,3,7,11-tetraaza-2λ 5 ,8λ 5 , 10λ 5 -triphosphatricyclo[9.3.0.0 3,7 ]tetradecane 2,8,10-trioxide was formed by hydrolysis as a byproduct during the synthesis of phosphoric acid-pyrazolidine ring compounds in o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed3c9c4e9be5732c43f56eaec6f628a1
https://doi.org/10.1107/s0108270193001271
https://doi.org/10.1107/s0108270193001271