Diels-Alder Dimerization of Ene-Allenes and Enyne-Allenes Generated via the Propargylic Alder-Ene Reaction of Diynes and Triynes

Kumudi  Jayanada Weerasinghe Rajapaksa; Duy-Viet Vo; Wu Tong Tong; Yanshu Luo; Eunhye Lee; Yingju Xia; Daesung Lee

doi:10.1039/d5qo01454a

January 1, 2026Organic Chemistry FrontiersOpen Access

Diels-Alder Dimerization of Ene-Allenes and Enyne-Allenes Generated via the Propargylic Alder-Ene Reaction of Diynes and Triynes

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Key Points

The study aims to explore the Diels-Alder dimerization of ene-allenes and enyne-allenes derived from propargylic reactions.
Conducted Diels-Alder dimerizations of synthesized ene-allenes and enyne-allenes.
Utilized density functional theory (DFT) to investigate stereoselectivity and exo/endo modes.
Analyzed the resulting spirocycles for functionalization and yield.
Achieved successful dimerization of ene-allenes and enyne-allenes.
Generated highly functionalized spirocycles.
DFT studies indicated preferences for exo/endo configurations and stereoselectivity patterns.

Implication

Efficiently dimerizes ene-allenes and enyne-allenes to create spirocycles, indicating significant synthetic potential.

Abstract

Efficient Diels-Alder dimerizations of ene-allenes and enyne-allenes to generate highly functionalized spirocycles and the DFT studies of their exo/endo mode and stereoselectivity are described. The ene-allenes and enyne-allenes are generated...

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Cite This Study

Rajapaksa et al. (2026) studied this question.

synapsesocial.com/papers/698586498f7c464f2300a4b5 https://doi.org/10.1039/d5qo01454a

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Diels-Alder Dimerization of Ene-Allenes and Enyne-Allenes Generated via the Propargylic Alder-Ene Reaction of Diynes and Triynes

Key Points

Implication

Abstract

Discussion

Cite This Study

Diels-Alder Dimerization of Ene-Allenes and Enyne-Allenes Generated via the Propargylic Alder-Ene Reaction of Diynes and Triynes

Key Points

Implication

Abstract

Discussion

Cite This Study

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