Results 221 to 230 of about 20,067 (277)

Asymmetric Total Syntheses of Eliglustat and C2-<i>epi</i>-Eliglustat. [PDF]

J Org Chem
Mellado-Hidalgo M, Costa AM, Romea P, Urpí F, Aullón G.   +4 more
europepmc   +1 more source

Diastereomers and Low-Temperature Oxidation [PDF]

The Journal of Physical Chemistry A, 2021
Diastereomers have historically been ignored when building kinetic mechanisms for combustion. Low-temperature oxidation kinetics, which continues to gain interest in both combustion and atmospheric communities, may be affected by the inclusion of diastereomers in radical chain-branching pathways.
Aaron D. Danilack, Clayton R. Mulvihill, Stephen J. Klippenstein, C. Franklin Goldsmith   +3 more
core   +11 more sources

Synthesis and Characterization of Four Diastereomers of Monorhamnolipids [PDF]

Journal of the American Chemical Society, 2017
Rhamnolipids are amphiphilic glycolipids biosynthesized by bacteria that, due to their low toxicity and biodegradability, are potential replacements for synthetic surfactants. The previously limited access to pure materials at the gram scale has hindered extensive characterization of rhamnolipid structure-performance behavior.
Ricardo Palos Pacheco, Ryan J. Eismin, Clifford S. Coss, Hui Wang, Raina M. Maier, Robin Polt, Jeanne E. Pemberton   +6 more
openaire   +3 more sources

Reconfigurable Plasmonic Diastereomers Assembled by DNA Origami [PDF]

ACS Nano, 2019
Herein, we report self-assembled reconfigurable plasmonic diastereomers based on DNA nanotechnology. Up to three plasmonic chiral centers were organized by dynamic DNA origami platforms.
Shun Wang, Qiangbin Wang, Huile Jin
exaly   +2 more sources

Role of Cationization and Multimers Formation for Diastereomers Differentiation by Ion Mobility-Mass Spectrometry [PDF]

Journal of the American Society for Mass Spectrometry, 2013
International audienceStereochemistry plays an important role in biochemistry, particularly in therapeutic applications. Indeed, enantiomers have different biological activities, which can have important consequences. Many analytical techniques have been
Vincent Tognetti, CARLOS Afonso, Jérôme Baudoux   +2 more
exaly   +2 more sources

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Chromatographic behaviour of diastereomers

Journal of Chromatography A, 1977
For diastereomers of the types RM values on silica gel are investigated as a function of the mole fraction of the more polar solvent in binary solvent systems, according to Soczewinski's method. The correlation between RF and pKa is discussed, and thin-layer chromatographic comparison between acyclic and cyclic compounds is made.
M.D. Palamareva, B.J. Kurtev
openaire   +2 more sources

Constellational diastereomers in encapsulation complexes

Chemical Communications, 2004
Three chiral guests in a cylindrical capsule led to six diastereomeric complexes.
Masamichi, Yamanaka, Julius, Rebek
openaire   +2 more sources

Ciguatoxin-2 is a diastereomer of ciguatoxin-3

Toxicon, 1993
Ciguatoxin-2, a major ciguatoxin present in the flesh and viscera of ciguateric fishes, has been shown by 1H nuclear magnetic resonance studies (2-dimensional homonuclear Hartman Hahn, nuclear Overhauser effect and decoupling difference experiments) to be a diastereomer of ciguatoxin-3, differing only in stereochemistry at carbon 52 (a quaternary ...
Lewis, RJ, Norton, RS, Brereton, IM, Eccles, CD   +3 more
openaire   +5 more sources

Synthesis of diastereomers of sarcolysylleucine

Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, 1978
1. The diastereomers of sarcolysylleucine with a formylated and free amino group in sarcolysine residue were obtained by using the N-ethoxycarbonyl-2-ethoxy-1, 2-dihydroquinoline method to form the peptide linkage. 2. The possibility of deformylating peptides, containing the di-2-chloroethyl group, by hydrazine acetate was studied.
K. I. Karpavichyus, R. B. Klyukene, O. V. Kil'disheva   +2 more
openaire   +1 more source

On the Chemistry of the Resveratrol Diastereomers

Monatshefte f�r Chemie / Chemical Monthly, 2003
The (E)- and (Z)-diastereomers of resveratrol were investigated with respect to their photochemical and thermal diastereomerization reactions. The free enthalpy difference between the two diastereomers was estimated to be in the order of common stilbenes, with the (E)-diastereomer more stable by about 11–14 kJ mol−1. The Arrhenius activation barrier of
Martin Deak, Heinz Falk
openaire   +1 more source