A High Loading and Recyclable Pentaerythritol Supported Imidazolidin-4-one Catalyst for Enantioselective Diels–Alder Reactions

Du, Kaitao; Lu, Cuifen; Chen, Zuxing; Nie, Junqi; Yang, Guichun

doi:10.1007/s10562-016-1724-7

Cited by 2 publications

(1 citation statement)

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“…Du reported the enantioselective Diels‐Alder reaction of cyclopentadiene and α , β ‐unsaturated aldehydes with recyclable pentaerythritol supported MacMillan catalysts [47] . Pentaerythritol is a non‐toxic, cheap and well known material which can be used to immobilize organocatalysts due to its dendrimer type structure, in which the loading capacity of the catalyst on pentaerythritol is higher than other polymer supported catalysts.…”

Section: Introductionmentioning

confidence: 99%

Recent Development of Recoverable MacMillan Catalyst in Asymmetric Organic Transformations

Deepa

Singh

2020

Adv Synth Catal

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Chiral imidazolidinone as an organocatalyst was developed by MacMillan and co‐workers in 2000 and they evaluated this organocatalyst originally in the enantioselective Diels‐Alder reaction. Later, this catalyst was used in a number of other asymmetric organic transformations. Chiral organocatalysts are expensive, therefore their recoverability and reusability are highly desirable to make the organic transformation economically viable for industrial application. Hence, the chiral imidazolidinone was modified and attached to different supports for its recoverability and reusability. A number of recoverable imidazolidinones have been reported in asymmetric Diels‐Alder reactions. In this review, we have summarized the reports on reusable and recoverable imidazolidinones (MacMillan catalysts) as organocatalysts in asymmetric organic transformations.magnified image

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Section: Introductionmentioning

confidence: 99%