The absolute configuration of (+)-isocamphenilanic acid by X-ray analysis and of (–)-camphene
- 1 January 1978
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 11,p. 1312-1315
- https://doi.org/10.1039/p19780001312
Abstract
The absolute configuration of (+)-isocamphenilanic acid (3,3-dimethylnorbornane-exo-2-carboxylic acid)(2; R = OH) has been defined by an X-ray crystallographic examination of the p-bromophenacyl ester. Degradation of this (+)-acid by the Cope procedure proceeds by normal cis-elimination to furnish (–)-camphene, but is in conflict with the reported chemical conversion of (–)-camphene into (–)-camphene into (–)-isocamphenilanic acid.Keywords
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