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Bull. Soc. Chim. Fr.
The world of beta- and gamma-peptides comprised of homologated proteinogenic amino acids and other components.
TLDR
The origins of the nearly ten-year research program of chemical and biological investigations into peptides based on homologated proteinogenic amino acids are described, and the presence of the additional C--C bonds in the backbones of the new peptides did not give rise to a chaotic increase in their secondary structures as many protein specialists might have expected.
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The World of β‐ and γ‐Peptides Comprised of Homologated Proteinogenic Amino Acids and Other Components
TLDR
Tests with proteolytic enzymes of all types and in vivo examination showed β‐ and γ‐peptides to be completely stable towards proteolysis and, as demonstrated for two β‐ peptides, extraordinarily stable towards metabolism, even when bearing functionalized side chains.
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TADDOLs, Their Derivatives, and TADDOL Analogues: Versatile Chiral Auxiliaries.
TLDR
TADDOLs are the most effective doping agents known for phase transformations of achiral (nematic) into chiral (cholesteric) liquid crystals and show further unusual characteristics that make them useful for applications in material science and supramolecular chemistry.
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Solubilization of Peptides in Non‐polar Organic Solvents by the Addition of Inorganic Salts: Facts and Implications
The solubility of open-chain peptide derivatives (12 examples) in non-polar, ether-type organic solvents may be greatly increased by addition of salts (LiCl, LiBr, LiI, LiBF4, LiClO4, NaI, MgBr2…
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Antibacterial Activity of Enrofloxacin and Ciprofloxacin Derivatives of β‐Octaarginine
TLDR
β3‐Octaarginine chains were attached to the functional groups NH and CO2H of the antibacterial fluoroquinolones ciprofloxacin and enrofl oxacin to find out whether the activity increases by attachment of the polycationic, cell‐penetrating peptide (CPP) moiety.
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On the Mechanisms of Enantioselective Reactions Using α,α,α′,α′ -Tetraaryl-1,3-dioxolane-4,5-dimethanol(TADDOL)-Derived Titanates: Differences between C2- and C1-symmetrical TADDOLs – facts,…
The titanates derived from α,α,α′,α′-tetraaryl-1,3-dioxolane-4,5-dimethanols (TADDOLs, prepared from tartrate) act as catalysts for enantioselective additions of dialkylzinc compounds to aldehydes.…
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TADDOLs with Unprecedented Helical Twisting Power in Liquid Crystals. Preliminary communication
A large number of TADDOL (α,α,α′, α′-tetraaryl-1,3-dioxolan-4,5-dimethanol) derivatives has been tested as chiral dopants for inducing conversion of nematic to cholesteric phases. With the Merck…
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Direct Degradation of the Biopolymer Poly[(R)‐3‐Hydroxybutyric Acid] to (R)‐3‐Hydroxybutanoic Acid and its Methyl Ester
Direct degradation of the biopolymer poly[(R)-3-hydroxybutyric acid] to (R)-3-hydroxybutanoic acid and its methyl ester product: (R)-(−)-methyl 3-hydroxybutanoate product:…
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Some recent advances in the use of titanium reagents for organic synthesis
Abstract
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