Process for preparing optically active aminopentane...

C - Chemistry – Metallurgy – 07 – D

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C07D 291/04 (2006.01) C07B 53/00 (2006.01) C07C 209/62 (2006.01) C07D 307/81 (2006.01)

Patent

CA 2612290

[PROBLEMS] To provide: a process for producing an optically active aminopentane derivative which is expected to be useful as a psychotropic agent, an antidepressant, an anti-Perkinson agent, an anti-Alzhemer disease, an anti-apoptotic agent or the like; a novel optically active intermediate oxathiazolidine derivative which is quite useful for the production of the aminopentane derivative; and a process for producing the intermediate. [MEANS FOR SOLVING PROBLEMS] An optically active aminopentane derivative can be produced in an industrially advantageous manner from a novel optically active oxathiazolidine derivative represented by the formula (5): (5) wherein * represents the position of an asymmetric carbon atom either in R-configuration or S-configuration; and n represents 0 or 1.

Le problème à résoudre dans le cadre de cette invention consiste à fournir un procédé de production d'un dérivé d'aminopentane optiquement actif qu'on envisage d'utiliser comme agent psychotrope, agent antidépresseur, agent antiparkinsonien, antialzheimer, agent antiapoptotique ou analogue ; un nouveau dérivé intermédiaire d'oxothiazolidine optiquement actif fort utile dans la production du dérivé d'aminopentane ; et un procédé visant à produire l'intermédiaire. La solution proposée consiste à produire un dérivé d'aminopentane optiquement actif selon un procédé avantageux du point de vue industriel, à partir d'un nouveau dérivé d'oxothiazolidine optiquement actif représenté par la formule (5) : (5) où * représente la position d'un atome de carbone asymétrique possédant la configuration R ou la configuration S ; et n représente 0 ou 1.

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