Synthesis and characterization of manganese complexes of the dibenzophospholyl ligand

2001 ◽  
Vol 79 (9) ◽  
pp. 1321-1329 ◽  
Author(s):  
Andreas Decken ◽  
Melanie A Neil ◽  
Frank Bottomley

Manganese carbonyl complexes bearing dibenzophospholyl (DBP) and 1-phenyldibenzophosphole (Ph-DBP) ligands have been prepared. Reaction of Li-DBP with Mn(CO)5Br gave (µ2-DBP)(µ2-Br)Mn2(CO)8, while reaction of bis(1,1'-dibenzophospholyl) and Mn2(CO)10 yielded (µ2-DBP)2Mn2(CO)8. The phosphine adducts (Ph-DBP)Mn2(CO)9 and (Ph-DBP)2Mn2(CO)8 were obtained by reaction of Ph-DBP and Mn2(CO)10. The ligands are σ-bonded through the phosphorus atom in all complexes. The compounds were characterized by 1H, 13C, and 31P NMR and IR spectroscopy, mass spectrometry, and X-ray diffraction.Key words: dibenzophospholyl, dibenzophosphole, manganese, heterocycle.

Synthesis ◽  
2017 ◽  
Vol 49 (11) ◽  
pp. 2389-2393 ◽  
Author(s):  
Stefanie Pelzer ◽  
Beate Neumann ◽  
Hans-Georg Stammler ◽  
Nikolai Ignat’ev ◽  
Reint Eujen ◽  
...  

This paper describes the synthesis and comprehensive characterization of tetrakis(pentafluoroethyl)germane. In addition to a complete NMR spectroscopic characterization, including the rarely used 73Ge NMR spectroscopy, Ge(C2F5)4 was studied by IR spectroscopy, mass spectrometry as well as X-ray diffraction analysis. A 73Ge NMR investigation as well as an X-ray diffraction study of the related germane Ge(CF3)4 are also included.


2021 ◽  
Author(s):  
Marion Till ◽  
John A. Kelly ◽  
Christoph G. P. Ziegler ◽  
Robert Wolf ◽  
Tianao Guo ◽  
...  

Divalent iron complexes trans-[FeBr2(BINC)2], [Cp*FeCl(BINC)] (Cp* = Me5C5) and [FeBr2(CNAr3NC)2] with chelat-ing bis(isonitrile) ligands BINC (bis(2-isocyanophenyl)phenylphosphonate) and CNAr3NC (2,2’’-diisocyano-3,5,3’’,5’’tetramethyl-1,1’:3’,1’’-terphenyl) have been prepared and characterized. Their subsequent reduction yields di- and trinuclear compounds [Fe3(BINC)6], [Cp*Fe(BINC)]2, [Fe(CNAr3NC)2]2 and [K(Et2O)]2[Fe(CNAr3NC)2]2. The molecular structures of all new species were determined by X-ray crystallography. The molecular structures are compared to related iron carbonyl complexes. The complexes were further characterized by NMR and IR spectroscopy, and the electrochemical properties of selected compounds were analyzed by UV-Vis-NIR spectroelectrochemistry. <br>


2021 ◽  
Author(s):  
Marion Till ◽  
John A. Kelly ◽  
Christoph G. P. Ziegler ◽  
Robert Wolf ◽  
Tianao Guo ◽  
...  

Divalent iron complexes trans-[FeBr2(BINC)2], [Cp*FeCl(BINC)] (Cp* = Me5C5) and [FeBr2(CNAr3NC)2] with chelat-ing bis(isonitrile) ligands BINC (bis(2-isocyanophenyl)phenylphosphonate) and CNAr3NC (2,2’’-diisocyano-3,5,3’’,5’’tetramethyl-1,1’:3’,1’’-terphenyl) have been prepared and characterized. Their subsequent reduction yields di- and trinuclear compounds [Fe3(BINC)6], [Cp*Fe(BINC)]2, [Fe(CNAr3NC)2]2 and [K(Et2O)]2[Fe(CNAr3NC)2]2. The molecular structures of all new species were determined by X-ray crystallography. The molecular structures are compared to related iron carbonyl complexes. The complexes were further characterized by NMR and IR spectroscopy, and the electrochemical properties of selected compounds were analyzed by UV-Vis-NIR spectroelectrochemistry. <br>


2016 ◽  
Vol 71 (2) ◽  
pp. 105-112 ◽  
Author(s):  
Michael Hörmannsdorfer ◽  
Ulrike Kahl ◽  
Tom Nilges

AbstractThree new complexes of Cu(II) halides (Cl, Br) with 1-methylimidazole (MIm), [Cu(MIm)4]Br2 (1), [Cu(MIm)4Br]Br · H2O (2), and [Cu(MIm)6]Cl2 · 2H2O (3) have been synthesized in ethanol. Their crystal structures have been determined by single-crystal X-ray diffraction. FT-IR spectroscopy, mass spectrometry, and thermal analyses were applied to characterize the compounds.


Tetrahedron ◽  
2015 ◽  
Vol 71 (19) ◽  
pp. 2951-2954 ◽  
Author(s):  
Frank Strinitz ◽  
Philipp Trautner ◽  
Hendrik Pfeiffer ◽  
Ulrich Schatzschneider ◽  
Nicolai Burzlaff

2014 ◽  
Vol 50 (65) ◽  
pp. 9083-9085 ◽  
Author(s):  
Alexander V. Anyushin ◽  
Anton I. Smolentsev ◽  
Dmitry A. Mainichev ◽  
Cristian Vicent ◽  
Artem L. Gushchin ◽  
...  

The first berillododecatungstate [BeW12O40]6− has been synthesized and characterized by X-ray analysis, cyclic voltammetry, ESI-mass spectrometry, and 9Be and 183W NMR.


1996 ◽  
Vol 11 (10) ◽  
pp. 2490-2498 ◽  
Author(s):  
Anatoly I. Bortun ◽  
Lyudmila Bortun ◽  
Abraham Clearfield ◽  
María A. Villa-García ◽  
José R. García ◽  
...  

A novel metastable layered titanium phosphate has been synthesized by the treatment of layered titanates (Na2Ti3O7 and Na4Ti9O20) with 1–2 M phosphoric acid solution at 120–150 °C. Based on the data of 31P MAS NMR and IR spectroscopy, x-ray powder diffraction, and thermal and elemental analysis, the formula Ti2O3(H2PO4)2 · 2H2O was assigned to the novel compound. The layered nature of the compound was confirmed from n-alkylamine intercalation and the ion exchange behavior toward alkali, alkaline earth, and some transition metal ions.


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