| abstract |
The present invention discloses a phenolamine G-form crystal, a preparation method, and a composition and use thereof, and specifically, a phenolamine compound (chemical name: trans-2-(2,5-dimethoxyphenyl)-3-(4-hydroxy G-form crystal of -3-methoxyphenyl)-N-(4-hydroxyphenethyl)acrylamide), a method for producing the same, and a composition and use thereof are disclosed. Specifically, the present invention is that the presence of a G-type crystalline solid material in phenolamine in a solid state; A method for producing a G-form crystal solid material; A drug for the prophylactic treatment of Parkinson's disease (PD), improvement of learning and memory disorders, reduction of memory capacity, and treatment of Alzheimer's disease (AD) by using a phenolamine type G crystal solid substance as a drug active ingredient. Disclosed is an application in the manufacture of. |