Platinum complexes bearing a boron-based PBP pincer ligand: synthesis, structure, and application as a catalyst for hydrosilylation of 1-decene

2013 ◽  
Vol 42 (3) ◽  
pp. 625-629 ◽  
Author(s):  
Hayato Ogawa ◽  
Makoto Yamashita
Keyword(s):  
Platinum Complexes ◽  
Pincer Ligand ◽  
Ligand Synthesis

A long-tethered (P–B–P)-pincer ligand: synthesis, complexation, and application to catalytic dehydrogenation of alkanes

2016 ◽  
Vol 45 (40) ◽  
pp. 15931-15941 ◽  
Author(s):  
Enrique Huang Kwan ◽  
Yasushi Jack Kawai ◽  
Sei Kamakura ◽  
Makoto Yamashita
Keyword(s):  
Catalytic Dehydrogenation ◽  
Subsequent Reaction ◽  
Pincer Ligand ◽  
Ligand Synthesis

A new long-tethered boron-containing (P–B–P)-pincer ligand has been synthesized. This ligand was introduced to Ir to form (P–B–P)Ir(H)Cl complex. Subsequent reaction with nBuLi led to the formation of dihydride complex (P–B–P)Ir(H)2. Both complexes were found to be moderately active for the catalytic dehydrogenation of alkanes.

Transmetalation reactions with nitrogen-containing "pincer"-class ligands on platinum(II) centers

2001 ◽  
Vol 79 (5-6) ◽  
pp. 709-718 ◽  
Author(s):  
Martin Albrecht ◽  
Stuart L James ◽  
Nora Veldman ◽  
Anthony L Spek ◽  
Gerard van Koten
Keyword(s):  
Ligand Binding ◽  
Platinum Complexes ◽  
Binding Mode ◽  
Unit Cell ◽  
The Other ◽  
Pincer Ligand ◽  
X Ray ◽  
Spectroscopic Analyses ◽  
Structure Determinations ◽  
Independent Molecules

The transmetalation reaction of the aryllithium compound [Li(NCN)]2 (NCN is the monoanionic "pincer" ligand [C6H3(CH2NMe2)2-2,6]-) with the cyclometalated arylplatinum complex [PtCl(NCN)] afforded the bisaryl platinum(II) complex [Pt(NCN)2] (3) containing one η3-N,C,N-terdentate and the other η1-C-monodentate-bonded pincer ligand. Spectroscopic analyses on 3 suggest that η3 to η1 interconversion of the ligand binding mode (or vice versa) is inhibited. Two independent X-ray structure determinations on crystals of 3 revealed the existence of a rare polymorph containing one and three crystallographically independent molecules, respectively, in the unit cell. A similar transmetalation reaction with lithium and platinum complexes containing heteroleptic NCNRR' ligands (NCNRR' is [C6H3(CH2NRR')-2,6]- with R = R' = Me or R = Me, R' = Et) pointed to the formation of a heterodinuclear cationic bisaryl platinum lithium species as an intermediate of a preequilibrium to the final transmetalation products, involving, rapid transcyclometalation (TCM) reactions. These TCM reactions comprise the exchange of the monoanionic NCNRR' ligands between the platinum(II) and lithium centers. A consequence of the latter properties is that the strong Pt—N bonds in [PtX(NCN)] complexes are considerably weakened by the presence of Li+ cations.Key words: transmetalation, transcyclometalation (TCM), platinum, bisaryl complex, polymorphism.

New platinum complexes with carbodiphosphorane as pincer ligand via ortho phenyl metallation

Polyhedron ◽  
2011 ◽  
Vol 30 (11) ◽  
pp. 1779-1784 ◽  
Author(s):  
Wolfgang Petz ◽  
Bernhard Neumüller
Keyword(s):  
Platinum Complexes ◽  
Pincer Ligand

Cyclometallation of the NNN pincer ligand in complexes of platinum

2015 ◽  
Vol 2 (10) ◽  
pp. 912-916 ◽  
Author(s):  
Jessica C. DeMott ◽  
John R. Dekarske ◽  
Billy J. McCulloch ◽  
Oleg V. Ozerov
Keyword(s):  
Platinum Complexes ◽  
Pincer Ligand

Platinum complexes of the diimino/carbazolyl NNN pincer ligand have been prepared and characterized. Facile cyclometallation of the mesityl substituent was observed.

Platinum complexes with a methoxy-amino phosphine or a nitrogen-containing bis(phosphine) ligand. Synthesis, characterization and application to hydrogenation of trans -cinnamaldehyde

2017 ◽  
Vol 828 ◽  
pp. 133-141 ◽  
Author(s):  
Ioannis D. Kostas ◽  
Georgia Antonopoulou ◽  
Constantinos Potamitis ◽  
Catherine P. Raptopoulou ◽  
Vassilis Psycharis
Keyword(s):  
Platinum Complexes ◽  
Phosphine Ligand ◽  
Ligand Synthesis

Platinum complexes with the SC 6 F 4 H-4 ligand – Synthesis, structures and spectroscopy

2014 ◽  
Vol 423 ◽  
pp. 152-162 ◽  
Author(s):  
Verena Lingen ◽  
Anna Lüning ◽  
Christian Strauß ◽  
Ingo Pantenburg ◽  
Glen B. Deacon ◽  
...  
Keyword(s):  
Platinum Complexes ◽  
Ligand Synthesis

Palladium(II) Complexes of a Neutral CCC-Tris(N-heterocyclic carbene) Pincer Ligand: Synthesis and Catalytic Applications

2021 ◽  
Author(s):  
David Rendón-Nava ◽  
Deyanira Angeles-Beltrán ◽  
Arnold L. Rheingold ◽  
Daniel Mendoza-Espinosa
Keyword(s):  
Pincer Ligand ◽  
Catalytic Applications ◽  
Ligand Synthesis
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