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Direct Enantioselective Synthesis of Bicyclic Diels–Alder Products

✍ Scribed by Henrik Sundén; Ramon Rios; Yongmei Xu; Lars Eriksson; Armando Córdova

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
308 KB
Volume
349
Category
Article
ISSN
1615-4150

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Enantioselective Catalysis on the Solid Phase: Synthesis of Natural Product-Derived Tetrahydropyrans Employing the Enantioselective Oxa-Diels–Alder Reaction
✍ Miguel A. Sanz; Tobias Voigt; Herbert Waldmann 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 208 KB 👁 1 views

## Abstract Aliphatic aldehydes were synthesized on a solid support and subjected to an enantioselectively catalyzed oxa‐Diels–Alder reaction with Danishefsky’s diene. Employing 5 mol % of a Cr(III)‐salen catalyst enantiomeric ratios up to>99 % and yields up to 40 % over five steps were achieved. F