Piracetam CAS: 7491-74-9 Oxiracetam impurity V Oxiracetam-5

Piracetam yog ib tug cyclic derivative ntawm neurotransmitter gamma-aminobutyric acid (GABA), Ameslikas ua lag luam nyob rau hauv 1971 los ntawm UCB Pharma.Nws yog thawj "nootropic" tshuaj [1], tus neeg sawv cev uas ua rau kev paub txog kev ua haujlwm yam tsis ua rau muaj kev ntxhov siab lossis stimulation.Txawm hais tias cov txheej txheem ntawm kev ua ntawm piracetam tseem tsis tau paub meej, nws cuam tshuam rau kev ua haujlwm ntawm lub paj hlwb thiab vascular.Tsis tas li ntawd, cov teebmeem vascular yog peripheral nrog rau hauv nruab nrab, txhais tau hais tias cov txiaj ntsig kho mob ntawm piracetam mus dhau nws cov yam ntxwv nootropic.Tseeb, piracetam yog tam sim no qhia rau siv nyob rau hauv vertigo, dyslexia, cortical myoclonus thiab sickle cell anemia ntxiv rau cov hnub nyoog txog kev paub tsis meej.Piracetam muaj ntau tshaj 40 xyoo.Nws txoj kev ua tau zoo tau raug sau tseg hauv kev paub tsis meej thiab dementia, vertigo, cortical myoclonus, dyslexia, thiab sickle cell anemia, txawm li cas los xij, daim ntawv thov kev kho mob hauv cov mob no tseem tsis tau tsim.Piracetam tseem muaj cov teebmeem ntawm vascular system los ntawm kev txo cov erythrocyte adhesion rau vascular endothelium, cuam tshuam vasospasm thiab pab txhawb microcirculation.