Synthesis of Six-Membered N-Heterocyclic Carbene Precursors Based on Camphor
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Abstract
The endo- and exo-N-heterocyclic carbene precursors based on camphor were prepared diastereoselectively in five synthetic steps starting from (1S)-(+)-ketopinic acid. The obtained N-heterocyclic carbene precursors were investigated in an asymmetric benzoin reaction. All new compounds were fully characterized and the absolute configurations were determined by X-ray diffraction and NOESY measurements.
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- last seen: 2026-05-19T01:45:01.086888+00:00