Synfacts, Table of Contents Synfacts 2025; 21(04): 436DOI: 10.1055/a-2539-2225 Peptide Chemistry Accessing Unblocked Racemic Tryptophan Derivatives by Using a Nickel(II) Complex of GramineContributor(s): Hisashi Yamamoto , Alex Boateng Recommend Article Abstract Buy ArticleKeywords Keywordstryptophan derivatives - gramine - nickel(II) glycinates Full Text