Native chemical ligation at glutamine

P Siman, SV Karthikeyan, A Brik - Organic letters, 2012 - ACS Publications
The desulfurization reaction introduced by Yan and Dawson as a postnative chemical
ligation step greatly expanded the scope of ligation chemistry beyond Xaa-Cys (Xaa is any …

Synthesis and utility of β-selenol-phenylalanine for native chemical ligation–deselenization chemistry

LR Malins, RJ Payne - Organic letters, 2012 - ACS Publications
An efficient synthetic route to a suitably protected β-selenol-phenylalanine derivative from
commercially available Garner's aldehyde is described. The incorporation of this building …

Engineering of therapeutic polypeptides through chemical synthesis: early lessons from human parathyroid hormone and analogues

S Dong, S Shang, J Li, Z Tan, T Dean… - Journal of the …, 2012 - ACS Publications
Engineering of Therapeutic Polypeptides through Chemical Synthesis: Early Lessons from
Human Parathyroid Hormone and Analogues | Journal of the American Chemical Society ACS …

The phenacyl group as an efficient thiol protecting group in a peptide condensation reaction by the thioester method

H Katayama, H Hojo - Organic & Biomolecular Chemistry, 2013 - pubs.rsc.org
One of the condensation methods for the preparation of long-chain peptides, the so-called
thioester method requires protecting groups for amino and thiol groups for regioselective …

Toward Homogeneous Erythropoietin: Application of Metal‐Free Dethiylation in the Chemical Synthesis of the Ala79‐Arg166 Glycopeptide Domain

S Dong, S Shang, Z Tan… - Israel journal of …, 2011 - Wiley Online Library
We describe herein the assembly of hEPO (79–166), a key glycopeptide segment en route
to erythropoietin, in minimally protected form. Key to the success of this synthetic endeavor …