Galantamine - Wikipedia, the free encyclopedia)- 5,6,9,10,11,12- hexahydro- 3-methoxy- 11-methyl- 4a) is a drug used for the treatment of mild to moderate Alzheimer’s disease and various memory impairments. It is an alkaloid that is obtained synthetically or from the bulbs and flowers of the Caucasian snowdrop (Voronov’s snowdrop), Galantamine in its pure form is a white powder. Galantamine is a competitive and reversible cholinesterase inhibitor. It is believed it works by enhancing cholinergic function by increasing the concentration of acetylcholine in the brain. The atomics resolution 3D structure of the complex of galantamine and its target, acetylcholinesterase, was determined by X-ray crystallography in 1991.
