Glycopeptide derivatives for the preservation and protection of biological materials and microorganisms
The present invention relates to a compound of the following formula (I): in which at least one and only one group chosen among R5, R6 and R7 is a group of the following formula: The present invention relates also to uses
-
Page/Page column 58-60
(2018/11/06)
Stereoselective and Site-Specific Allylic Alkylation of Amino Acids and Small Peptides via a Pd/Cu Dual Catalysis
We report a stereoselective and site-specific allylic alkylation of Schiff base activated amino acids and small peptides via a Pd/Cu dual catalysis. A range of noncoded α,α-dialkyl α-amino acids were easily synthesized in high yields and with excellent enantioselectivities (up to >99% ee). Furthermore, a direct and highly stereoselective synthesis of small peptides with enantiopure α-alkyl or α,α-dialkyl α-amino acids residues incorporated at specific sites was accomplished using this dual catalyst system.
Development of supramolecular organo-gel based on tripeptide skeletons
Boc-Ser-Val-Gly-OCH2Ph (31) showed high gelation abilities in the aromatic solvents, particularly in toluene. The minimum gelation concentration of 31 in toluene was 10 mg/ml, suggesting that 2500 molecules of toluene were immobilized by each m
Azuma, Eriko,Kuramochi, Kouji,Tsubaki, Kazunori
body text
p. 680 - 684
(2010/07/15)
Amino Acids and Peptides. XXX. Phosphorus in Organic Synthesis. XVII. Application of Diphenyl Phosphorazidate (DPPA) and Diethyl Phosphorocyanidate (DEPC) to Solid-phase Peptide Synthesis
Two coupling reagents for peptide synthesis, diphenyl phosphorazidate (DPPA) and diethyl phosphorocyanidate (DEPC), were tested using the solid-phase method.The reactivities of DPPA and DEPC were examined by coupling Boc-Ile with Gly-resin.In a comparison
Ikota, Nobuo,Shioiri, Takayuki,Yamada, Shun-Ichi
p. 3064 - 3069
(2007/10/02)
2 AND 3-SUBSTITUTED ENKEPHALINS
Analogs of enkephalin having agonist activity at opiate receptors are disclosed herein. These analogs are useful as analgesics, non-addicting narcotic antagonists and anti-diarrheal agents.
-
(2008/06/13)
More Articles about upstream products of 63649-08-1