Enantiomer in a sentence

Esreboxetine, the SS-enantiomer of racemic reboxetine, is the more selective and potent enantiomer, which has been evaluated for the treatment of fibromyalgia.

When you pass other over it, the homochiral surface molecules will grab onto those of their opposite enantiomer, trapping them on the surface, allowing only molecules of the desired enantiomer to pass successfully over.

Evidence suggests citation that the area under the blood plasma concentration versus time curve (AUC) was two to four times higher for the (R)-enantiomer than the (S)-enantiomer after a 40 mg oral dose in human volunteers.

Hydride addition as in a reduction process from this side will form the S-enantiomer and attack from the opposite Si face will give the R-enantiomer.

The more active enantiomer, esketamine (S-ketamine), is also available for medical use under the brand name Ketanest S, citation while the less active enantiomer, arketamine (R-ketamine), has never been marketed as an enantiopure drug for clinical use.

The undesired enantiomer is recycled back to the photoreaction section, and the process is repeated until a high amount of the enantiomerically pure compound is obtained.

Cephalon began to market the R-enantiomer armodafinil of modafinil in the U.S. in 2007.

Dunitz citation describes how Pauling's first article on the theme in fact shows a left-handed helix, the enantiomer of the true structure.

For some drugs (typically profens), an isomerase enzyme in vivo converts the inactive enantiomer into the active form, although its activity varies widely in individuals.

If the thumb points in the direction of the 4th substituent, the enantiomer is R. Otherwise, it's S. It is possible in rare cases that two substituents on an atom differ only in their absolute configuration (R or S).

In nature, only one enantiomer of most chiral biological compounds, such as amino acids (except glycine, which is achiral), is present.

In some countries, the optically pure (S)-enantiomer ( dexketoprofen ) is available; its trometamol salt is said to be particularly rapidly reabsorbed from the gastrointestinal tract, having a rapid onset of effects.

In the above-mentioned example, if chloride (Cl-) was added to the prochiral center from the re-face, this would result in an R-enantiomer.

Naproxen has always been marketed as the single active enantiomer.

Skeletal formula of (R)-ketamine Ball-and-stick model of (R)-ketamine Skeletal formula of (S)-ketamine Ball-and-stick model of (S)-ketamine The optical rotation of a given enantiomer of ketamine can vary between its salts and free base form.

The opposite D -enantiomer called D -ascorbate has equal antioxidant power, but is not found in nature, and has no physiological significance.

The structure of such a molecule is such that it is not identical to its mirror image (which would be that of a different stereoisomer, or the "opposite enantiomer").

Typically, only a single enantiomer is pharmacologically active.