Chemistry Letters p. 161 - 164 (1986)
Update date:2022-08-03
Topics:
Shimizu, Toshio
Kobayashi, Michio
Fractional recrystallization of diastereomeric 2,4,6-triisopropylphenyl 4'-(l-menthyloxycarbonyl)phenyl selenoxide gave optically pure (-)-selenoxide.Transesterification of this diastereomerically pure (-)-selenoxide with methanol gave enantiomeric (-)-2,4,6-triisopropylphenyl 4'-(methoxycarbonyl)-phenyl selenoxide in 88.1percent optical purity.
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