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8714381 
Journal Article 
Ionic Hydrogenation of 1-Naphthol Derivatives with Alkanes in the Presence of Aluminum Halides 
Koltunov, KY; Subbotina, EN; Repinskaya, IB 
1997 
1 
Russian Journal of Organic Chemistry
ISSN: 1070-4280
EISSN: 1608-3393 
33 
5 
689-693 
English 
Reactions of 1-naphthol, 4-methyl-1-naphthol, 3-phenyl-1-naphthol, and 4-chloro-1-naphthol with cyclohexane, as well as of 1-naphthol with methylcyclopentane, pentane, isobutane, and propane, in the presence of excess aluminum chloride or bromide yield α-tetralone derivatives as a result of regioselective ionic hydrogenation. Abstraction of the hydride ion from alkane is effected by the protonated complex of the keto form of the naphthol with aluminum halide.