Enantioselective, electrocatalytic oxidative coupling of naphthol, naphthyl ether and phenanthrol on a TEMPO-modified graphite felt electrode in the presence of (–)-sparteine (TEMPO = 2,2,6,6-tetramethylpiperidin-1-yloxyl)
- 1 January 1994
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 21,p. 2535-2537
- https://doi.org/10.1039/c39940002535
Abstract
Constant potential electrolysis of 2-naphthol, 2-methoxynaphthalene and 10-hydroxyphenanthrene at 0.6 V vs. Ag/AgCl on a TEMPO-modified graphite felt electrode in the presence of (–)-sparteine in acetonitrile yields, enantioselectively, (S)-binaphthyl type dimers in >92% isolated yield and with >88% current efficiency with enantiomeric excesses of 98, 91 and 97% respectively for each dimer, respectively.Keywords
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