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Updated: May 10, 2025

Synthesis of a Borylated Ibuprofen Derivative Through Suzuki Cross-Coupling and Alkene Boracarboxylation Reactions
Published on: November 30, 2022
Borylated 5-Membered Ring Iminosugars: Detailed Nuclear Magnetic Resonance Spectroscopic Characterisation, and Method
1Discipline of Chemistry, University of Newcastle, Callaghan, NSW 2308, Australia.
Abstract:
This paper describes the first detailed NMR analysis of the borylated intermediates and target compounds for a small library of pyrrolidine iminosugars of l-gulose absolute stereochemical configuration. The iminosugars were functionalised via N-alkylation to bear a boronate ester or boronic acid groups. The addition of the organic boron pharmacophore allows to further explore the chemical space around and in the active sites, where the boron atom has the capability to make reversible covalent bonds with enzyme nucleophiles and other nucleophiles. We discuss the concurrent complex equilibrium processes of mutarotation and borarotation as studied by NMR.
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