A method has been developed for the synthesis of 2,2′- and 3,3′-biquinolines and of 4,4′-bipyridine based on the coupling of 2- and 3-bromoquinoline or 4-bromopyridine using a Pd/C-hydrazine-KOH catalytic system.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 12, pp. 1839–1840, December, 2008.
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Aksenov, A.V., Goncharov, V.I. Heterogenous catalytic method for the synthesis of biquinolines and bipyridines. Chem Heterocycl Comp 44, 1491–1492 (2008). https://doi.org/10.1007/s10593-009-0208-8
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DOI: https://doi.org/10.1007/s10593-009-0208-8