Donepezil Pyridine Dehydro Impurity (CAS No: 4803-74-1) or 5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone is the intermediate formed in the synthesis of Donepezil drug which is a specific, selective, and potent inhibitor of acetylcholinesterase an approved drug for the treatment of Alzheimer’s disease
References
Krishna Reddy, K. V. S. R., et al. “Identification and Characterization of Potential Impurities of Donepezil.” Journal of Pharmaceutical and Biomedical Analysis, vol. 35, no. 5, Sept. 2004, pp. 1047–58, https://doi.org/10.1016/j.jpba.2004.03.022.
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