Synthesis of substituted-(l)-tryptophanols from an enantiomerically pure aziridine-2-methanol. 2001

D K Pyun, and C H Lee, and H J Ha, and C S Park, and J W Chang, and W K Lee
Department of Chemistry, Sogang University, Seoul 121-742, Korea.

Enantiomerically pure (l)-tryptophanol (5) was synthesized from 4(R)-iodomethyl-2-oxazolidinone (2) and indolylmagnesium bromide in three steps (52% overall yield). Using this procedure, we also prepared various tryptophanols with substituent(s) on the indole ring. Furthermore, optically active 4(R)-iodomethyl-2-oxazolidinone was readily prepared from an enantiomerically pure aziridine-2(S)-methanol in high yield. [reaction: see text]

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