In the 1920s, both methamphetamine and the dextrorotatory optical isomer of amphetamine, dextroamphetamine, were synthesized.
12.
Eszopiclone is the active dextrorotatory stereoisomer of zopiclone, and belongs to the class of drugs known as cyclopyrrolones.
13.
Rather, it indicates the compound's stereochemistry relative to that of the dextrorotatory or levorotatory enantiomer of glyceraldehyde.
14.
The labeling is unrelated to ( + ) / ( " ); it does not indicate which enantiomer is dextrorotatory and which is levorotatory.
15.
It indicates that the C-2 chiral center has the same handedness as that of D-glyceraldehyde ( which was so labeled because it is dextrorotatory ).
16.
It has been shown that the dextrorotatory form is particularly active and has a much higher therapeutic index than some other anti-inflammatories, including indomethacin and diclofenac.
17.
These naturally occurring, dextrorotatory stereoisomers are generally abbreviated as the " d-" forms, for example, " d-tocotrienol " or " d-alpha-tocotrienol ".
18.
It differs from the natural nucleotide only with respect to the location of the sugar and base moieties, taking on an levorotatory configuration versus a dextrorotatory configuration as do the natural deoxynucleosides.
19.
So any L-alanine derivative will be an " L " amino acid, even if it was dextrorotatory .-- talk ) 22 : 01, 21 December 2009 ( UTC)
20.
The dextrorotatory stereoisomer of the compound is an active metabolite of dextromethorphan, dextrorphan, and 3-methoxymorphinan, and similarly to them has dissociation or hallucinations ) or having any anticonvulsant actions.
