UvA - DARE ( Digital Academic Repository ) Supramolecular bulky phosphines comprising 1 , 3 , 5 - triaza - 7 - phosphaadamantane and Zn ( salphen ) s : structural features and application in hydrosilylation catalysis
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منابع مشابه
Supramolecular bulky phosphines comprising 1,3,5-triaza-7-phosphaadamantane and Zn(salphen)s: structural features and application in hydrosilylation catalysis.
The use of the commercially available, bifunctional phosphine 1,3,5-triaza-7-phosphaadamantane (abbreviated as PN3) in conjunction with a series of Zn(salphen) complexes leads to sterically encumbered phosphine ligands as a result of (reversible) coordinative Zn-N interactions. The solid state and solution phase behaviour of these supramolecular ligand systems have been investigated in detail a...
متن کاملIntramolecular hydrogen-bonded tertiary phosphines as 1,3,5-triaza-7-phosphaadamantane (PTA) analogues.
New cationic trialkylphosphines [P(CH(2)NH(2)R){CH(2)N(R)CH(2)N(R)CH(2)}](+) (R = C(6)H(5)CH(2), a; 4-FC(6)H(4)CH(2), b), as their Cl(-) (1a, 1b), SbF(6)(-) (2a, 2b), and PF(6)(-) (3a, 3b) salts, are described. The phosphine framework is conformationally locked, in the solid state, through pairs of intramolecular N-H...N hydrogen bonds which are maintained in the Ru(II) and Rh(III) complexes 4 ...
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A series of trinuclear, triptycene-based metallosalphen complexes (M = Zn, Ni) have been prepared incorporating various peripheral substituents. The introduction of Zn metal centres into these triptycene based salphen ligands gives rise to cross-linking between different triptycene molecules through μ-phenoxo bridges between the Zn metal centres, and variation in the peripheral groups allows th...
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Disclaimer/Complaints regulations If you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: http://uba.uva.nl/en/contact, or a letter to: Library of ...
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We describe the University of Amsterdam’s participation in the WebCLEF track at CLEF 2005. We submitted runs for both the mixed monolingual task and the multilingual task.
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