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Org Biomol Chem. 2016 Feb 21;14(7):2205-9. doi: 10.1039/c5ob02495a. Epub 2016 Jan 26.

The first catalytic asymmetric thioacetalization by chiral phosphoric acid catalysis.

Organic & biomolecular chemistry

Jin-Sheng Yu, Wen-Biao Wu, Feng Zhou

Affiliations

  1. Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 3663N, Zhongshan Road, Shanghai 200062, China.

PMID: 26810819 DOI: 10.1039/c5ob02495a

Abstract

We report here the first catalytic asymmetric thioacetalization of salicylaldehyde and dithiol. Chiral phosphoric acid STRIP C5 is identified as a powerful catalyst for this reaction to afford various chiral dithioacetals in high to excellent yields and enantioselectivities under mild conditions.

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