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ChemInform Abstract: Positive Cooperativity of Product Mimics in the Asymmetric Autoinduction of Diels—Alder Reactions Catalyzed by a VAPOL—Aluminum Catalyst.

✍ Scribed by D. P. HELLER; D. R. GOLDBERG; W. D. WULFF

Publisher
John Wiley and Sons
Year
2010
Weight
31 KB
Volume
29
Category
Article
ISSN
0931-7597

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✦ Synopsis

Positive Cooperativity of Product Mimics in the Asymmetric Autoinduction of Diels-Alder Reactions Catalyzed by a VAPOL-Aluminum Catalyst. -The asymmetric Diels-Alder reaction of (I) with (II) mediated by the shown aluminum catalyst exhibit an autoinduction which is due to a cooperative interaction of the product with the catalyst to generate a more selective catalyst species. An autoinduction is seen with both aldehydes and esters, but the effect is much bigger for esters. Surprisingly, 1,3-dicarbonyl ligands do not stop the effect, in fact, they are more effective in enhancing the induction than monocarbonyl ligands. -(HELLER, D. P.; GOLDBERG, D.

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