ChemInform Abstract: Application of the Tetrabutylammonium Salt of an Amino Acid for Liquid Phase Peptide Synthesis: An Easy Way to Prepare Endothelin Antagonistic Linear Peptides via an Azide Method.

ChemInform ◽  
2010 ◽  
Vol 24 (37) ◽  
pp. no-no
Author(s):  
T. NAGASE ◽  
T. FUKAMI ◽  
Y. URAKAWA ◽  
U. KUMAGAI ◽  
K. ISHIKAWA
Keyword(s):  
Amino Acid ◽  
Liquid Phase ◽  
Peptide Synthesis ◽  
Tetrabutylammonium Salt ◽  
Azide Method

A Strategy for Thioamide Incorporation During Fmoc Solid-Phase Peptide Synthesis with Robust Stereochemical Integrity

2019 ◽  
Author(s):  
luis camacho III ◽  
Bryan J. Lampkin ◽  
Brett VanVeller
Keyword(s):  
Amino Acid ◽  
Functional Groups ◽  
Peptide Synthesis ◽  
Solid Phase ◽  
Solid Phase Peptide Synthesis ◽  
Side Chains ◽  
Amino Acid Side Chains ◽  
Peptide Elongation

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>

Series of sequential polypeptides containing lysine or arginine: Preparation and characterization

1988 ◽  
Vol 53 (1) ◽  
pp. 145-156 ◽  
Author(s):  
Jana Pírková ◽  
Svetlana Churkina ◽  
Vladimír Gut ◽  
Ivo Frič ◽  
Karel Bláha
Keyword(s):  
Molecular Weight ◽  
Amino Acid ◽  
Peptide Synthesis ◽  
Average Molecular Weight ◽  
Basic Amino Acid ◽  
Cd Spectra ◽  
Active Esters ◽  
Marked Tendency

The sequential polypeptides (Lys-Ala)n, (Lys-Ala-Ala)n, (Lys-Ala-Ala-Ala)n, (Lys-Leu-Ala)n, (Lys-Leu-Ala-Ala)n, (Lys-Leu-Ala-Ala-Ala)n, (Lys-Ala-Leu)n, (Lys-Ala-Leu-Ala)n, (Orn-Leu-Ala)n,(Arg-Ala-Ala)n, (Arg-Leu-Ala)n, (Arg-Leu-Ala-Ala)n, (Arg-Ala-Leu)n, and (Arg-Ala-Leu-Ala)n were synthesized by polymerization of active esters (1-succinimidyl or pentafluorophenyl) of the corresponding Nα-deblocked monomers. The monomers were prepared using the usual methods of peptide synthesis in solution. Upon dialysis, the average molecular weight of the polymer was 6 000-9 000 as determined by sedimentation in ultracentrifuge. Polypeptides, containing leucine in addition to the basic amino acid, showed a marked tendency to aggregation. CD spectra of the products were measured for characterization.

ChemInform Abstract: Urethane-Protected Amino Acid N-Carboxy Anhydrides and Their Use in Peptide Synthesis.

ChemInform ◽  
2010 ◽  
Vol 22 (2) ◽  
pp. no-no
Author(s):  
W. D. FULLER ◽  
M. P. COHEN ◽  
M. SHABANKAREH ◽  
R. K. BLAIR ◽  
M. GOODMAN ◽  
...  
Keyword(s):  
Amino Acid ◽  
Peptide Synthesis ◽  
Protected Amino Acid
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