Synthesis and crystal structure of dinuclear [(thf)3YCl2{μ-P(H)C6H2-2,4,6-Me3}]2 with seven-coordinate yttrium atoms

Inorganic Chemistry Communications

Volumn 12, Issue 5, 2009, Pages 409-411

  Krieck, Sven ^a   Görls, Helmar ^a   Westerhausen, Matthias ^a  

^a FRIEDRICH SCHILLER UNIVERSITY JENA   (Germany)

Author keywords

Ligand exchange; Metathesis reactions; Phosphanides; Salt elimination; Yttrium

Indexed keywords

EID: 67349162617     PISSN: 13877003     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.inoche.2009.02.026     Document Type: Article

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20. 2PMes in THF) at -20 °C. After stirring for 18 h at ambient temperature the mixture was filtered and all volatiles were removed in vacuum. The remaining solid was washed three times with cold n-pentane (-25 °C, 3 mL) and redissolved in 8 mL of THF. After filtration the solution was stored at -20 °C and within 12 weeks pale yellow crystals of 1 (0.25 g, 0.22 mmol, 26%) were obtained.
21. -1) ν: 2922 vs(br.), 2729 w, 2328 w, 1604 s, 1554 m, 1456 vs, 1376 s, 1290 m, 1137 w, 1062 m, 1028 m, 959 w, 848 s, 721 m, 701 m, 617 w, 554 w.
22. -3. The hydrogen atoms bound to the P-atoms were located by difference Fourier synthesis and refined with 1.5 times the isotropic displacement parameter of the corresponding atom.
23. Wetzel T.G., Dehnen S., and Roesky P.W. Angew. Chem., Int. Ed. 38 (1999) 1086-1088