Novel derivatives of 1-aminoindan and their salts are described. Optically active 1-aminoindan derivatives are prepared by reacting a N-benzyl analog of the desired compound with an enantiomer of mandelic acid. Parkinson's disease, dementia, epilepsy, convulsions, or seizures are treated by administering a compound of the formula: ##STR1##

Производные романа 1-aminoindan и их солей описаны. Оптически активно производные 1-aminoindan подготовлены путем реагировать Н-benzilovy1 аналог заданной смеси с энантиомером mandelic кислоты. Заболевание, слабоумие, эпилепсия, конвульсиы, или захваты parkinson's обработаны путем administering смесь формулы: ## ## STR1

 
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