Abstract
Chlorination of 2,6-dimethyl-3,5-dicarbomethoxy-4-(2′-difluoromethoxyphenyl)-1,4-dihydropyridine gives 2,3,4,5-tetrahydropyridines with different degrees of chlorination dependent upon the quantitative ratio of reagents. The reaction proceeds without oxidation of the dihydropyridine ring.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 376–379, March, 1990.
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Skrastin'sh, I.P., Kastron, V.V., Liepin'sh, É.É. et al. Chlorination of 2,6-dimethyl-3,5-dicarbomethoxy-4-(2′-difluoromethoxyphenyl)-1,4-dihydropyridine (phoridone). Chem Heterocycl Compd 26, 323–325 (1990). https://doi.org/10.1007/BF00472554
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DOI: https://doi.org/10.1007/BF00472554