The use of a bimetallic titanium salen complex as a catalyst for the asymmetric addition of trimethylsilylcyanide to ketones is reported. The cyanohydrin trimethyisilyl ethers are obtained with enantiomeric excesses of up to 72% from reactions carried out at room temperature and atmospheric pressure
β¦ LIBER β¦
The stereochemistry of metal catalysed hydrogen cyanide addition to alkenes
β Scribed by W.Roy Jackson; Craig G. Lovel
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- French
- Weight
- 215 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
Reactions of both terminal and cyclic alkenes have been shown to occur in a stereospecifically cis -manner with deuterium cyanide when a catalyst system based on -Pd(DIOP), was used. Reactions of cyclohexene give only the products of equatorial cyanide incorporation.
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