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Synthesis of Substituted Benzaldehydes via a Two-Step, One-Pot Reduction/Cross-Coupling Procedure

Heijnen, D., Helbert, H., Luurtsema, G., Elsinga, P. H. & Feringa, B. L., 7-Jun-2019, In : Organic letters. 21, 11, p. 4087-4091 5 p.

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The synthesis of functionalized (benz)aldehydes, via a two-step, one-pot procedure, is presented. The method employs a stable aluminum hemiaminal as a tetrahedral intermediate, protecting a latent aldehyde, making it suitable for subsequent cross-coupling with (strong nucleophilic) organometallic reagents, leading to a variety of alkyl and aryl substituted benzaldehydes. This very fast methodology also facilitates the effective synthesis of a 11C radiolabeled aldehyde. Aluminum-ate complexes enable transmetalation of alkyl fragments onto palladium and subsequent cross-coupling.

Original languageEnglish
Pages (from-to)4087-4091
Number of pages5
JournalOrganic letters
Volume21
Issue number11
Publication statusPublished - 7-Jun-2019

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