The present invention provides amphiphilic compounds with a tetradecahydrophenanthrene skeleton of formula (I), wherein R1-R5 are as defined herein, and their enantiomers, exhibiting neuroprotective effects, for use as medicaments for treating neuropsychiatric disorders associated with an imbalance in glutamatergic neurotransmitter system, such as ischemic damage of CNS, neurodegenerative changes and disorders of CNS, affective disorders, depression, post-traumatic stress disorder and diseases related to stress, anxiety, schizophrenia and psychotic disorders, pain , addiction, multiple sclerosis, epilepsy, glioma, and a pharmaceutical composition containing said compound.