prochiral


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pro·chi·ral

(prō-kī'răl),
Refers to an atom in a molecule (usually a carbon atom) that would become chiral if one of two identical substituents is replaced by a new ligand; that is, an atom that has two enantiotopic groups linked to it. For example, carbon-1 of ethanol is a prochiral carbon.
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References in periodicals archive ?
One of the most frequently used approaches to design and fabricate chiral surfaces is the adsorption and self-assembly of chiral or prochiral molecules on surfaces, Which can be studied with sub-molecular resolution by scanning tunneling microscopy (stm).
Guisan, Kinetically Controlled Synthesis of Monoglyceryl Esters from Chiral and Prochiral Acids Methyl Esters Catalyzed by Immobilized Rhizomucor Miehei Lipase, Bioresour.
One of the most popular biocatalyst classes has been ketoreductases (KREDs), which have been popularly used as an asymmetric catalyst to reduce prochiral ketones into optically pure alcohols [4].
Dougherty, Effects of Electric and Magnetic Fields on Prochiral Chemical Reactions: Macroscopic Electric and Magnetic Fields can Cause Asymmetric Synthesis, J.
The differentiation of two enantiotopic groups in the prochiral glycerol molecule would in fact lead to chiral molecules, which could be transformed in both enantiomers of glycerol derivatives by selective functional group manipulation [3].
Further, the prochiral nature of glycerol means that such building blocks also can be prepared in optically pure form and used in the synthesis of numerous biologically important natural and non-natural products.
Finally, the stereochemical control of the prochiral reductions increased from 6.
In this report, we extend this idea that the microenvironment of a polymer or dendrimer may be manipulated to prepare reagents capable of reducing prochiral ketones to secondary alcohols with moderate to high stereoselectivities.
Metallocenes have been designed that enchain prochiral monomers like propylene in atactic, isotactic, syndiotactic and hemi-isotactic orientations.
Asymmetric oxidation of prochiral and racemic ketones using chiral catalysts has been almost neglected by researchers.
Chiral bromosilanes have been prepared from prochiral dihydrosilanes by bromination using N-bromosuccinimide.
Monsanto's selective asymmetric hydrogenation of a prochiral olefin to yield L-Dopa, a drug used in the treatment of Parkinson's disease, was the first commercial process to use such a chiral homogeneous catalyst, based on Rh.