New procedure for the synthesis of cystine-peptides by oxidation of S-substituted cysteine-peptides with thallium(III) trifluoroacetate
- 1 January 1987
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 3,p. 163-164
- https://doi.org/10.1039/c39870000163
Abstract
Thallium(III) trifluroacetate cleaves various S-protecting groups of cysteine in trifluoroacetic acid forming cystine; as examples, three model peptides, oxytocin, urotensin II, and a human calcitonin gene-related peptide, were prepared by direct oxidative conversion of the respective S-substituted cysteine-peptides.Keywords
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