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    STUDIA CHEMIA - Issue no. 1 / 2006  
         
  Article:   NEW HALO COMPOUNDS OF SILICON AND TIN, POTENTIAL PRECURSORS OF >E=C=P- HETEROALLENIC SYSTEMS.

Authors:  PETRONELA M. PETRAR, GABRIELA NEMEŞ, IOAN SILAGHI-DUMITRESCU, LUMINIŢA SILAGHI-DUMITRESCU. 		 
       
         
  Abstract:  New halo compounds of Si and Sn potential precursors of doubly-bonded derivatives of type >E=C=P- (E = 14 main group elements) have been synthesized. Compounds 1-3 (bearing a 2,4,6-tri-tert-butylphenyl group bound to phosphorus and one 2,4,6-tri-methylphenyl radical bonded to Si) are stabilized by the large steric hindrance which prevents the approach of monomers to form dimers or oligomers.  
         
     
         
         
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