Random chemistry, the serendipitous generation of small compound libraries by gamma-irradiation of source compounds, presents a methodology providing reassembled and rearranged structures. The gamma-irradiation was applied to generate new acetylcholinesterase (AChE) inhibitors. The bioassay-guided fractionation as a deconvolution strategy was employed to analyze gained product mixture. The structure of the new highly potent AChE inhibitor, 9-amino-5,6,7,8-tetrahydroacridin-4yl)methanol (1), was elucidated by NMR spectroscopy and ESI (tandem) mass spectrometry.
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