Investigations of 2,3′-biquinolyl. 8. Reduction of 1-alkyl-3-(2-quinolyl)quinolinium halides with sodium borohydride

Article abstract of DOI:10.1007/BF02256979

Reduction of 1-alkyl-3-(2-quinolyl)quinolinium halides with sodium borohydride leads to 1′-alkyl-1′,2′-dihydro-2,3′-biquinolyls which, except for the ethoxycarbonyl derivative, undergo rearrangement to 1′-alkyl-1′,4′-dihydro-2,3′-biquinolyls. The last can