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3-Substituted pyridines. preparation of 3, 5-dimethylpyridine4-phenyldipyridine, and syntheses based on it

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

3, 5-Dimethyl-4-phenylpyridine is prepared by catalytic dehydrogenation and N-demethylation of 1, 3, 5-trimethyl-4-phenyl-Δ3-piperidine. Oxidation of the former gives 4-phenylpyridine-3, 5-dicarboxylic acid and the dimethyl ester and bis(diethylamide) of the acid are prepared. The same acid is used to prepare 4-phenylpyridine, methyl 2-azafluorenone-4-carboxylate, and also a compound assumed to be 6,14 dioxo3-azatetracyclo[9. 2. 1. 05, 13. O7,12]tetradeca-2, 4, 7, 9, 11, 13-hexaene.

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References

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Authors and Affiliations

  1. Patrice Lumumba Peoples Friendship University, Moscow

    N. S. Prostakov, O. I. Sorokin & A. Ya. Ismailov

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  1. N. S. Prostakov
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  2. O. I. Sorokin
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  3. A. Ya. Ismailov
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Prostakov, N.S., Sorokin, O.I. & Ismailov, A.Y. 3-Substituted pyridines. preparation of 3, 5-dimethylpyridine4-phenyldipyridine, and syntheses based on it. Chem Heterocycl Compd 3, 541–542 (1967). https://doi.org/10.1007/BF00481598

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  • DOI: https://doi.org/10.1007/BF00481598

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