The reaction of cyano(2-isopropyltetrahydropyran-4-ylidene)acetic acid ethyl ester and 4-fluorophenylmagnesium bromide produced the cyanoester that was decarboxylated to the corresponding nitrile. Reduction of the latter by LiAlH4 formed 2-[4-(4-fluorophenyl)-2-isopropyltetrahydropyran-4-yl]ethylamine, reaction of which with aromatic aldehydes synthesized azomethines that were then reduced by NaBH4 to secondary amines. The last were transformed to oxalates and acetamides. It was shown that the secondary amine oxalates possessed high antibacterial activity.
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Translated from Khimiko-Farmatsevticheskii Zhurnal, Vol. 47, No. 9, pp. 38 – 41, September, 2013.
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Arutyunyan, N.S., Akopyan, L.A., Nazaryan, R.L. et al. Synthesis and Antibacterial Activity of Oxalates and Acetamides of {2-[2-Sopropyltetrahydropyran-4-yl-4-(4-Fluorophenyl)]Ethyl}Arylamines . Pharm Chem J 47, 490–493 (2013). https://doi.org/10.1007/s11094-013-0987-1
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DOI: https://doi.org/10.1007/s11094-013-0987-1