diastereoisomer


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diastereoisomer

(ˌdaɪəˌstɛrɪəʊˈaɪsəmə) or

diastereomer

n
(Chemistry) chem a type of isomer that differs in the spatial arrangement of atoms in the molecule, but is not a mirror image; a stereoisomer that is not an enantiomer
Translations
diastéréo-isomère
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References in periodicals archive ?
This design is based on non-cycling of rings (B and C) of estradiol with special emphasis on configuration that is superior estrogenic activity with diastereoisomer E, less with diastereoisomer Z and furthermore, reduced activity with dihydrogenated compound.
Bioassay-guided isolation of diastereoisomer of kolavenol from Entada abyssinica active on Trypanosome brucei rhodesience.
Intravenous (IV) quinine (a 4-quinoline methanol) has been the mainstay of treatment for severe falciparum malaria, although in some countries, including the United States, quinidine, the dextrorotatory diastereoisomer of quinine, is 2 used because of the non-availability of IV quinine .
The majority diastereoisomer was isolated by TLC in 55 % yield.
70) and isoleucine being termed an enantiomer rather than correctly a diastereoisomer (p.
For example, a chiral sulfoxide synthesis, the sulfoxidation of methyl cysteine methyl ester, has produced more than a 95% yield of one specific diastereoisomer by adjusting the density of the [CO.
These have been characterized by Falk, McInnes, Walter and Wright as the C6' diastereoisomer as well as the geometrical isomers of domoic acid, which are more conveniently obtained by photolysis of domoic acid.
The chromatographic elution order of the amide derivatives was determined by derivatization of the individual enantiomers, and the diastereoisomer of configuration R-amine-S-MTP eluted before that of S-amine-S-MTP in each of the three cases in which the individual analyte enantiomers were available, i.
1) Silibinin is a diastereoisomer pair of the A compound with 2R, 3R, 2'S, 3'R absolute configuration and the B-compound with the 2R, 3R, 2'S, 3'S configuration.
This compound is a racemic mixture, and investigations have demonstrated that both diastereoisomers have similar activity in vitro against Plasmodium.