Mechanistic aspects of the platinum catalysed hydrosilylation of PhCCH2 with Et3SiH
✍ Scribed by W. Caseri; P.S. Pregosin
- Book ID
- 103226775
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 739 KB
- Volume
- 356
- Category
- Article
- ISSN
- 0022-328X
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Product distribution and kinetic studies on the hydrosilylation of phenylacetylene by Ph 3 SiH, Ph 2 MeSiH, PhMe 2 SiH and Et 3 SiH were performed using bis-[1,2-diphenylphosphinoethane]norbornadienerhodium(I) hexafluorophosphate, 1, as catalyst. Pre-equilibration of the catalyst with the acetylene
## Abstract The scope of the B(C~6~F~5~)~3~‐catalyzed hydrosilylation of (X)Ph–CH=O and (X)Ph–C(R)=O was expanded to include a large set of substitutents (X = H, __p__‐Me, __o__‐Me, __p__‐F, __o__‐F, __p__‐Cl, __p__‐Br, __p__‐NO~2~, __m__‐NO~2~, __p__‐Et; R = Me or CF~3~). Reactions proceed at room
## Abstract The kinetics of the reaction of cyclohexene (CH) with an excess of H~2~O~2~ in acetonitrile (AN) at 293 K was studied at variable concentrations of H~2~O~2~ (1.7–13 M), water (1.6–13 M), acids HX (0.2–1.4 M), and salts NaX (0–1.7 M), with HXHClO~4~, H~2~SO~4~, HNO~3~, HPF~6~, __p__‐tol