## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Asymmetric Cobalt-Catalyzed Diels−Alder Reactions of a Boron-Functionalized 1,3-Diene with Alkynes and Allylboration with Aldehydes
✍ Scribed by Hilt, Gerhard; Hess, Wilfried; Harms, Klaus
- Book ID
- 127219901
- Publisher
- American Chemical Society
- Year
- 2006
- Tongue
- English
- Weight
- 94 KB
- Volume
- 8
- Category
- Article
- ISSN
- 1523-7060
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## Abstract For Abstract see ChemInform Abstract in Full Text.
An ecient cobalt(I)-catalysed homo Diels±Alder reaction of acyclic 1,3-dienes and acetylene derivatives is described. The catalyst system consists of a mixture of a readily available CoBr 2 (dppe) complex, zinc iodide as a cocatalyst, and tetrabutylammonium borohydride as reducing agent. This system
The efficiently cobalt(I)-catalysed neutral Diels-Alder type reactions of internal alkynes with substituted 1,3-dienes is described. The regiochemistry for the dihydroaromatic products of reactions of isoprene with unsymmetrical reaction partners (2-alkynes and 1-trimethylsilyl-1-hexyne) is investig