Synthesis and organocatalytical evaluation of optically pure inherently chiral calix[4]arene phosphoric acids
Résumé
Two pairs of diastereomerically pure calix[4]arene phosphoric acid derivatives with ABHH and ABCH substitution patterns were synthesized via phosphorylation and phosphotropic rearrangement on the narrow rim. These new cone-shaped, inherently chiral calixarenes were tested as organocatalysts in the stereoselective aza-Diels–Alder reaction of imines with Danishefsky's diene, as well as in the stereoselective epoxide ring opening.
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Karpus, Synthesis and organocatalytical evaluation, 2024.pdf (649.41 Ko)
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