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Lindner, Christoph; Tandon, Raman; Liu, Yinghao; Maryasin, Boris; Zipse, Hendrik (2012): The aza-Morita-Baylis-Hillman reaction of electronically and sterically deactivated substrates. In: Organic and Biomolecular Chemistry, Vol. 10, Nr. 16: S. 3210-3218
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Abstract

The aza-Morita–Baylis–Hillman (azaMBH) reaction has been studied for electronically and sterically deactivated Michael acceptors. It is found that electronically deactivated systems can be converted with electron-rich phosphanes and pyridines as catalysts equally well. For sterically deactivated systems clearly better catalytic turnover can be achieved with pyridine catalysts. This is in accordance with the calculated affinities of the catalysts towards different Michael-acceptors.