Cooperative Al(Salen)-Pyridinium Catalysts for the Asymmetric Synthesis of <em>trans</em>-Configured β-Lactones by [2+2]-Cyclocondensation of Acylbromides and Aldehydes: Investigation of Pyridinium Substituent Effects

Cooperative Al(Salen)-Pyridinium Catalysts for the Asymmetric Synthesis of <em>trans</em>-Configured β-Lactones by [2+2]-Cyclocondensation of Acylbromides and Aldehydes: Investigation of Pyridinium Substituent Effects

The <em>trans</em>-selective catalytic asymmetric formation of β-lactones constitutes an attractive surrogate for <em>anti</em>-aldol additions. Recently, we have reported the first catalyst which is capable of forming <em>trans&a...

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Bibliographic Details
Main Authors: René Peters, Katja Latendorf, Patrick Meier, Florian Broghammer, Guntram Rauhut
Format: Article
Language:English
Published: MDPI AG 2012-06-01
Series:Molecules
Subjects:
aluminum
cooperative catalysis
ion pair catalysis
ketene
2-oxetanone
pyridinium
Online Access:http://www.mdpi.com/1420-3049/17/6/7121

Internet

http://www.mdpi.com/1420-3049/17/6/7121

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