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The stereochemistry of metal catalysed hydrogen cyanide addition to alkenes

✍ 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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✦ 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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The asymmetric addition of trimethylsily
✍ Yuri N Belokon; Brendan Green; Nicolai S Ikonnikov; Michael North; Vitali I Tara πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 French βš– 217 KB

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