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Influence of the temperature on the enantioselectivity of the cobalt catalysed homo Diels–Alder reactions
- Source :
- Journal of Molecular Catalysis A: Chemical. 196:157-164
- Publication Year :
- 2003
- Publisher :
- Elsevier BV, 2003.
-
Abstract
- Depending on the variation of the temperature and on the nature of the substituent of alk-1-ynes 2, the enantioselectivity of the deltacyclene formation in the cobalt catalysed [2+2+2] cycloaddition of norbornadiene 1 and acetylenes 2, can be achieved with up to 98%. The best enantioselectivities observed around 14 °C are in agreement with the Isoinversion principle (IIP).
Details
- ISSN :
- 13811169
- Volume :
- 196
- Database :
- OpenAIRE
- Journal :
- Journal of Molecular Catalysis A: Chemical
- Accession number :
- edsair.doi...........8c6d61047ae6ccdbfa355176592d6faf