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The ideal kinetic resolution is that in which only one enantiomer reacts, i.e. k R >>k S. The selectivity (s) of a kinetic resolution is related to the rate constants of the reaction of the R and S enantiomers, k R and k S respectively, by s=k R /k S, for k R >k S. This selectivity can also be referred to as the relative rates of reaction.
Glyceraldehyde has one chiral center and therefore exists as two different enantiomers with opposite optical rotation: In the D/L nomenclature, either D from Latin Dexter meaning "right", or L from Latin Laevo meaning "left" In the R/S nomenclature, either R from Latin Rectus meaning "right", or S from Latin Sinister meaning "left"
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Virginia's independent cities were classified by the Virginia General Assembly in 1871 as cities of the first class and cities of the second class. [3] The Virginia Constitution of 1902 defined first class cities as those having a population of 10,000 or more based upon the last census enumeration while second class cities were those that had a ...
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Items resembling homemade explosives were found in the car of a Virginia man arrested on New Year's Day, according to officials. On Wednesday, police officers arrested Alexander Sweetman, 19, from ...
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