22849-48-5Relevant academic research and scientific papers
Effect of Tertiary Bases on O-Benzotriazolyluronium Salt-Induced Peptide Segment Coupling
Carpino, Louis A.,El-Fahman, Ayman
, p. 695 - 698 (2007/10/02)
Collidine activation of O-(7-azabenzotriazolyl)uronium salts leads to relatively low levels of racemization in the coupling of peptide segments, especially with reagents derived from 1,1-carbonyldipyrrolidine
1-ISOPROPYLALLYLOXYCARBONYL (IPAoc) AS A PROTECTIVE GROUP OF AMINES AND ITS DEPROTECTION CATALYSED BY PALLADIUM-PHOSPHINE COMPLEX
Minami, Ichiro,Yuhara, Masami,Tsuji, Jiro
, p. 2737 - 2740 (2007/10/02)
As a new protective group of amines, 1-isopropylallyloxycarbonyl (IPAoc) group was developed.IPAoc group can be removed by treatment with a palladium-phosphine catalyst forming carbon dioxide and 4-methyl-1,3-pentadiene by the decarboxylation and β-hydrogen elimination of (?-1-isopropylallyl)-palladium intermediate under neutral condititons.The present protection-deprotection was applied to a one-pot peptide synthesis.
STUDIES ON AMINO ACIDS AND PEPTIDES-III. 2,4-BIS(4-METHOXYPHENYL)-1,3,2,4-DITHIADIPHOSPHETANE 2,4-DISULFIDE, LR, AS A NEW RACEMIZATION FREE COUPLING REAGENT IN PEPTIDE SYNTHESIS
Pedersen, U.,Thorsen, M.,El-Khrisy, E. -E. A. M.,Clausen, K.,Lawesson, S. -O.
, p. 3267 - 3269 (2007/10/02)
The easily accesable 2,4-bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane 2,4-disulfide, LR, has been reacted with salts of N-protected amino acids 1 (Z-Gly-OH, Boc-Gly-OH, Boc-S-Ser(Bzl)-OH, Bos-S-Tyr(Bzl)-OH, Z-S-Arg(Z2)-OH, and Z-S-Pro-OH), at room tem
