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

Org Lett. 2001 Dec 27;3(26):4197-9. doi: 10.1021/ol016861+.

Abstract

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]