Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 21, Issue 23, Pages 4750-4754Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d3ob00394a
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In this study, a distal p-benzylic deuteration was achieved via N-heterocyclic carbene catalyzed ring-opening of cyclopropylbenzaldehydes with MeOD as the deuterium source. The resulting 4-alkylbenzoates showed high deuterium incorporation at the benzylic position and remained stable for further chemical transformations.
Deuterium incorporation at selective sites of organic compounds has long attracted the interest of the pharmaceutical industry. Here, we present a distal p-benzylic deuteration via N-heterocyclic carbene catalyzed ring-opening of cyclopropylbenzaldehydes with MeOD as the deuterium source. The corresponding 4-alkylbenzoates with high deuterium incorporation at the benzylic position were obtained in good yields. The stable benzylic deuterium remained intact for further chemical transformations.
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