2,5-Bis(hydroxymethyl)tetrahydrofuran, a renewable building block, has been efficiently desymmetrised to give either enantiomers of the corresponding monobutyrate in high ee exploiting a biocatalytic methodology. The aldehydes derived from these monoesters have been subjected to a series of diastereoselective Passerini reactions. Careful optimization of reaction conditions has allowed for the increase of the dr from 1.5:1 to 9:1. The best results were obtained with zinc(ii)-mediated reactions. In particular, a new modification of Passerini reaction that employs zinc dicarboxylates has been introduced.

Zinc(ii)-mediated diastereoselective Passerini reactions of biocatalytically desymmetrised renewable inputs

Moni L.;Banfi L.;Cartagenova D.;Lambruschini C.;Martino E.;Riva R.
2020-01-01

Abstract

2,5-Bis(hydroxymethyl)tetrahydrofuran, a renewable building block, has been efficiently desymmetrised to give either enantiomers of the corresponding monobutyrate in high ee exploiting a biocatalytic methodology. The aldehydes derived from these monoesters have been subjected to a series of diastereoselective Passerini reactions. Careful optimization of reaction conditions has allowed for the increase of the dr from 1.5:1 to 9:1. The best results were obtained with zinc(ii)-mediated reactions. In particular, a new modification of Passerini reaction that employs zinc dicarboxylates has been introduced.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11567/997516
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