Total synthesis of teixobactin and its stereoisomers

2018 ◽  
Vol 5 (9) ◽  
pp. 1431-1435 ◽  
Author(s):  
L. Liu ◽  
S. Wu ◽  
Q. Wang ◽  
M. Zhang ◽  
B. Wang ◽  
...  

The total syntheses of teixobactin and a series of its stereoisomers at positions 2, 5, 6, 10 and 11 were achieved via a combined strategy of solution and solid phase peptide synthesis.

2021 ◽  
Author(s):  
Michael R. Reynolds ◽  
Sabrina Piazza ◽  
Jonathan Chiaramonte ◽  
Fabiola A. Chapa-Villarreal ◽  
John Trant

The total synthesis of the Thomsen-nouveau (Tn) antigen, a tumour-associated O-linked mucin glycopeptide, was achieved through a concise route. The key glycosylation step proved challenging to reproduce from the literature precedents and was most reliably accomplished using a palladium-catalyzed coupling between the glycosyl donor and Fmoc-functionalized serine acceptor to form the target in moderate yields. This is, to the best of our knowledge, the shortest synthesis reported from galactose for preparing this essential building block for large-scale solid phase peptide synthesis.


2011 ◽  
Vol 17 (10) ◽  
pp. 683-689 ◽  
Author(s):  
Venugopala K. Narayanaswamy ◽  
Fernando Albericio ◽  
Yacoob Mohamed Coovadia ◽  
Hendrik G. Kruger ◽  
Glenn E. M. Maguire ◽  
...  

2021 ◽  
Author(s):  
Michael R. Reynolds ◽  
Sabrina Piazza ◽  
Jonathan Chiaramonte ◽  
Fabiola A. Chapa-Villarreal ◽  
John Trant

The total synthesis of the Thomsen-nouveau (Tn) antigen, a tumour-associated O-linked mucin glycopeptide, was achieved through a concise route. The key glycosylation step proved challenging to reproduce from the literature precedents and was most reliably accomplished using a palladium-catalyzed coupling between the glycosyl donor and Fmoc-functionalized serine acceptor to form the target in moderate yields. This is, to the best of our knowledge, the shortest synthesis reported from galactose for preparing this essential building block for large-scale solid phase peptide synthesis.


Author(s):  
luis camacho III ◽  
Bryan J. Lampkin ◽  
Brett VanVeller

We describe a method to protect the sensitive stereochemistry of the thioamide—in analogy to the protection of the functional groups of amino acid side chains—in order to preserve the thioamide moiety during peptide elongation.<br>


2004 ◽  
Vol 8 (4) ◽  
pp. 291-301 ◽  
Author(s):  
Giuseppina Sabatino ◽  
Mario Chelli ◽  
Alberto Brandi ◽  
Anna Papini

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