One-pot access to L-5,6-dihalotryptophans and L-alknyltryptophans using tryptophan synthase

We report, for the first time, the use of tryptophan synthase in the generation of L-dihalotryptophans and L-alkynyltryptophans. These previously unpublished compounds will be useful tools in the generation of probes for chemical biology, in biosynthetic diversification and as convenient building blocks for synthesis. (C) 2016 Published by Elsevier Ltd.