12130-66-4Relevant articles and documents
HYDROSILYLATION CHEMISTRY AND CATALYSIS WITH cis-PtCl2(PhCH equals CH2)2.
Caseri,Pregosin
, p. 1373 - 1380 (2008/10/08)
The precursor cis-PtCl//2(PhCH equals CH//2)//2 is shown to catalyze (i) the hydrosilylation of various terminal olefins and acetylenes, (ii) the reduction of carbonyl functions with silanes in the presence of pyridine or aniline as cocatalyst, and (iii) the formation of R//3**1SiOR**2 from R//3**1SiH and R**2OH. The hydrosilylation of styrene is shown to proceed via reduction of PtCl//2(PhCH equals CH//2)//2 to Pt(PhCH equals CH//2)//3 with concomitant formation of 2 equiv of R//3SiCl and 1 equiv of PhCH//2CH//3. Extensive **1**9**5Pt measurements together with **1**3C studies on complexed styrene selectively enriched at the beta -carbon support the formationof the Pt(0) complex. The precursor cis-PtCl//2(PhCH equals CH//2)//2 is suggested to arise from the trans isomer which is identified by **1**9**5Pt NMR and its reaction chemistry.
