Absolute configuration of (–)-2-chloro- and (–)-2-bromo-3,3-dimethylbutanoic acids
Journal of the Chemical Society C: Organic Pub Date: DOI: 10.1039/J39690002437
Abstract
The absolute configuration of (–)-2-chloro-3,3-dimethylbutanoic acid has been assigned as R on the basis of chemical correlation, g.l.c. separation of diastereomers, c.d. measurements, and Fredenberg's rules. Application of the same methods allows assignment of the R-configuration to (–)-2-bromo-3,3-dimethylbutanioc acid; this is a reveral of an eralier assignment which was based on the incorrect configuration of (+)-α-t-butylglycine.
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Journal Name：Journal of the Chemical Society C: Organic
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CAS no.: 89640-58-4
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