602308-91-8Relevant articles and documents
The Horner-Wadsworth-Emmons reaction in the synthesis of macrocyclic peptides: The Trp-His-Gly-Arg derived macrocycle of moroidin
Harrison, Justin R.,Moody, Christopher J.
, p. 5189 - 5191 (2007/10/03)
The Trp-His-Gly-Arg derived macrocycle 4 of moroidin 1 containing the unusual tryptophan C-2 histidine N-1 link has been synthesised in protected form. The key steps are displacement of a 2-chloroindole with a histidine derived nucleophile, a Horner-Wadsw