Tris[methylaminobis(difluorophosphine)]metal(0) derivatives of chromium, molybdenum, and tungsten: new volatile carbonyl-free zerovalent metal derivatives of high thermal and oxidative stabilities

Author(s):  
R. B. King ◽  
J. Gimeno
1968 ◽  
Vol 21 (6) ◽  
pp. 1435 ◽  
Author(s):  
R Colton ◽  
GR Scollary

Reaction of ammonium thiocyanate with dihalocarbonyls of molybdenum and tungsten(11) leads to the elimination of ammonium chloride and the formation of a dithiocyanatocarbonyl complex of the transition metal. Although the thiocyanatocarbonyls themselves have not been isolated in a pure state, a number of substituted derivatives with phosphorus donor ligands have been prepared and characterized. In general these complexes are less stable than the corresponding carbonyl halide derivatives.


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