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Merck

Chiral synthesis and pharmacological evaluation of the enantiomers of SM32, a new analgesic and cognition-enhancing agent.

Chirality (1996-01-01)
M N Romanelli, A Bartolini, C Bertucci, S Dei, C Ghelardini, M G Giovannini, F Gualtieri, G Pepeu, S Scapecchi, E Teodori
RÉSUMÉ

The enantiomers of 3-alpha-tropyl 2-(phenylthio)butyrate (SM32, 1) were prepared by chiral synthesis and tested for analgesic, cognition-enhancing, and ACh-releasing properties. They show enantioselectivity in some of the tests, the eutomer being related in configuration to R-(+)-hyoscyamine.

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Sigma-Aldrich
(R)-2-Hydroxybutyric acid, ≥97.0% (T)