(1S,2S,4R)-7-tert-Butoxybicyclo[2.2.1]hept-5-en-2-yl (2S)-2-(6-methoxynaphthalen-2-yl)propanoate
Author Information
Author(s): Lough Alan J., Petrone David A., Tam William
Primary Institution: Department of Chemistry, University of Toronto
Hypothesis
The study investigates the resolution of a racemic mixture of 7-tert-butoxy-bicyclo[2.2.1]hepta-5-en-2-ol using α-chiral carboxylic acids as resolving agents.
Conclusion
The use of (S)-(+)-6-methoxy-α-methyl-2-naphthaleneacetic acid as a resolving agent successfully yielded a diastereomeric mixture with a high diastereomeric ratio.
Supporting Evidence
- The diastereomeric mixture obtained had a diastereomeric ratio greater than 99:1.
- Single-crystal X-ray analysis was used to elucidate the absolute position of the ester on the bicyclic framework.
Takeaway
The researchers found a way to separate a mixture of chemicals into two different types using a special ingredient, making one type much more common than the other.
Methodology
The study involved the synthesis of a chiral compound from a racemic mixture using fractional crystallization.
Digital Object Identifier (DOI)
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