Synthesis and Characterization of Tungsten(VI) Alkylidene Complexes Supported by an [OCO]3−Trianionic Pincer Ligand: Progress towards the [tBuOCO]W≡CC(CH3)3Fragment

2010 ◽  
Vol 29 (19) ◽  
pp. 4227-4233 ◽  
Author(s):  
Subramaniam Kuppuswamy ◽  
Andrew J. Peloquin ◽  
Ion Ghiviriga ◽  
Khalil A. Abboud ◽  
Adam S. Veige
2015 ◽  
Vol 44 (42) ◽  
pp. 18475-18486 ◽  
Author(s):  
Sudarsan VenkatRamani ◽  
Ion Ghiviriga ◽  
Khalil A. Abboud ◽  
Adam S. Veige

This report details the synthesis and characterization of the semi-flexible [ONCH2O]H3 (1) ligand and its W(vi)-alkylidene and alkylidyne complexes.


2019 ◽  
Author(s):  
Errikos Kounalis ◽  
Martin Lutz ◽  
Daniël Broere

<p>We report the synthesis and characterization of a series of cationic, neutral and anionic dicopper(I) complexes featuring a <i>µ</i>-mesityl ligand and a naphthyridine-derived PNNP expanded pincer ligand. Structural characterization showed that the protonation state of the dinucleating ligand has a pronounced effect on the bending and tilting of the <i>µ</i>-mesityl ligand. DFT calculations indicate that the varying orientations of the <i>µ</i>-mesityl ligand are inherent due to changes in electronic structure rather than crystal packing effects. NBO analysis reveals how the interactions that contribute to the 3-center 2-electron bond between the <i>µ</i>-mesityl ligand and the dicopper core change for the various degrees of observed bending and tilting. </p>


2018 ◽  
Vol 47 (33) ◽  
pp. 11619-11624 ◽  
Author(s):  
Alex J. Kosanovich ◽  
Aldo M. Jordan ◽  
Nattamai Bhuvanesh ◽  
Oleg. V. Ozerov

A new diarylmido-based pincer proto ligand (iPrPNHSbPh) with one –PPri2 and one –SbPh2 side donor has been synthesized.


RSC Advances ◽  
2018 ◽  
Vol 8 (25) ◽  
pp. 14092-14099 ◽  
Author(s):  
Peng Zhang ◽  
Xiaoyan Li ◽  
Xinghao Qi ◽  
Hongjian Sun ◽  
Olaf Fuhr ◽  
...  

The synthesis and characterization of a series of silyl hydrido iron complexes bearing a [PSiP] pincer ligand were reported. These complexes showed good to excellent catalytic activity for transfer hydrogenation of aldehydes under mild conditions.


1998 ◽  
Vol 120 (2) ◽  
pp. 415-416 ◽  
Author(s):  
Jamila Amor Nait Ajjou ◽  
Susannah L. Scott ◽  
Valérie Paquet

2019 ◽  
Vol 38 (19) ◽  
pp. 3768-3777 ◽  
Author(s):  
Marius Klein ◽  
Xiulan Xie ◽  
Olaf Burghaus ◽  
Jörg Sundermeyer

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