Propargylated aminoindans, processes for preparation, and...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – N-c doai

Reexamination Certificate

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C560S162000, C560S163000, C514S478000

Reexamination Certificate

active

07625946

ABSTRACT:
This invention provides compounds having the structure:wherein R1is methyl and R2is H, or R1is ethyl and R2is hydroxymethyl;R3is H or propargyl; andR4is either H or t-butyloxycarbonyl;or an enantiomer or a pharmaceutically acceptable salt thereof. This invention further provides the use of a therapeutically effective amount of such compounds to treat a subject afflicted with a psychiatric disorder, Parkinson's disease, Alzheimer's disease, dementia, or a neurological disorder.

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