Weber, Lothar; Matzke, Thomas; Boese, Roland:

Transition-metal-substituted acylphosphines and phosphaalkenes. XIV. Transition-metal sulfur ylide complexes. XXVIII. Reactivity of phosphaalkenyl and phosphavinylidene complexes of molybdenum and tungsten towards the sulfur ylide Me2S(O):CH2. X-ray structure analysis of [cyclic] (h5-C5H5)(CO)2MoCH2P[CH(SiMe3)2][CH:S(O)Me2].

In: Chemische Berichte (Chem.Ber.), Jg. 123 (1990) ; Nr. 4, S. 739-745
ISSN: 0009-2940
Zeitschriftenaufsatz / Fach: Chemie
The phosphavinylidene complexes (h5-C5H5)(CO)2M:P:C(SiMe3)2 (I, M = Mo, W) react with equimolar amts. of sulfur ylide Me2S(O):CH2 to afford the red metallophosphine-substituted sulfur ylides (h5-C5H5)(CO)2M:P[CH(SiMe3)2][CH:S(O)Me2]. I and II are transformed to the metallaheterocycles III by excess of ylide. In addn., the mol. structure of III (M = Mo) was elucidated by single crystal x-ray diffraction anal.

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