Výsledky vyhledávání - "D. Van Leusen"

Ethylene-Bridged Tetramethylcyclopentadienylamide Titanium Complexes: Ligand Synthesis and Olefin Polymerization Properties

Autor: D. Van Leusen, Jan H. Teuben, Bart Hessen, Dirk J. Beetstra

Publikováno v: Organometallics. 19:4084-4089

The N-alkyl-2-(2,3,4,5-tetramethylcyclopentadienyl)ethylamines C5Me4H(CH2)2NHR (R = i-Pr, t-Bu) were obtained from the reaction of 2,3,4,5-tetramethylcyclopent-2-enone with deprotonated imines LiCH2CHNR followed by dehydration and reduction using LiA

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5378c2aa7cef66dff22b85dd6fbd7a4f
https://doi.org/10.1021/om000402f

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Mono(amidinate) yttrium alkyl complexes

Autor: Edwin Otten, S. de Araujo Bambirra, Bart Hessen, D. Van Leusen, and Auke Meetsma

Publikováno v: Zeitschrift fur Anorganische und Allgemeine Chemie, 632(12-13), 1950-1952. WILEY-V C H VERLAG GMBH

Yttrium dialkyl complexes were prepared for three different 2,6-diisopropylphenyl-substituted benzamidinate ligands. The electron-donating ability of the parent ligand (L1) was decreased by a pentafluorophenyl backbone substituent (L2), and enhanced

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c0d2b8edeafa245570fb9288f4cb8d94
https://research.rug.nl/en/publications/a3724ace-b4f9-4fff-9586-a246c0b2e79e

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On the synthesis of boron substituted methyl isocyanides: 2-isocyanomethyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Autor: Jos P. G. Versleijen, A. H. Braker, H. H. Bodewes, P. M. Faber, D. Van Leusen, A. M. Van Leusen

Publikováno v: Tetrahedron Letters. 36:2109-2112

Two methodes are described for the conversion of chloromethylboronates into the corresponding formamidomethylboronates, which upon dehydration provide isocyanomethylboronates. The title compound was stable enough to be isolated and characterized.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::38e5374be86f2bb57a4353a2b02d85ca
https://doi.org/10.1016/0040-4039(95)00168-c

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1,1 '-diisocyanoferrocene and a convenient synthesis of ferrocenylamine

Autor: D. Van Leusen, Bart Hessen

Publikováno v: Organometallics, 20(1), 224-226. AMER CHEMICAL SOC INC

The new ferrocene derivative 1,1‘-diisocyanoferrocene was prepared in 50% isolated yield from the reaction of 1,1‘-diisocyanatoferrocene with formic acid followed by thermal decarboxylation and reaction with POCl3/NH(i-Pr)2. An improved synthesis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e595630d3603444ee933d40d17c14ca3
https://research.rug.nl/en/publications/20fa600e-2f02-49ae-94f9-01f8d0a7b3a8

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