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Synthesis of Enantioenriched gem-Disubstituted 4-Imidazolidinones by Palladium-Catalyzed Decarboxylative Asymmetric Allylic Alkylation.


ABSTRACT: A variety of enantioenriched gem-disubstituted 4-imidazolidinones were prepared in up to >99% yield and 95% ee by the Pd-catalyzed decarboxylative asymmetric allylic alkylation of imidazolidinone-derived β-amidoesters. In the process of preparing these substrates, a rapid synthetic route to 4-imidazolidinone derivatives was developed, beginning from 2-thiohydantoin. The orthogonality of the benzoyl imide and tert-butyl carbamate groups used to protect these nitrogen-rich products was demonstrated, enabling potential applications in drug design.

SUBMITTER: Sercel ZP 

PROVIDER: S-EPMC8534816 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature

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Synthesis of Enantioenriched <i>gem</i>-Disubstituted 4-Imidazolidinones by Palladium-Catalyzed Decarboxylative Asymmetric Allylic Alkylation.

Sercel Zachary P ZP   Sun Alexander W AW   Stoltz Brian M BM  

Organic letters 20210804 16


A variety of enantioenriched <i>gem</i>-disubstituted 4-imidazolidinones were prepared in up to >99% yield and 95% ee by the Pd-catalyzed decarboxylative asymmetric allylic alkylation of imidazolidinone-derived β-amidoesters. In the process of preparing these substrates, a rapid synthetic route to 4-imidazolidinone derivatives was developed, beginning from 2-thiohydantoin. The orthogonality of the benzoyl imide and <i>tert</i>-butyl carbamate groups used to protect these nitrogen-rich products w  ...[more]

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