Journal of the Chemical Society, Dalton Transactions p. 559 - 566 (1981)
Update date:2022-09-26
Topics:
Connor, Joseph A.
Fine, David J.
Spectroscopic characterisation (1H and 13C n.m.r., i.r., Raman, and u.v.-visible) of various 1-<(substituted phenyl)azo>-2-naphthols, R-Haz (R = 4'-Me, 4'-OMe, 4'-Cl, H, 2'-OMe, 2'-Me, 2'-Cl, and 2'-Br), and 1-<(substituted phenylimino)methyl>-2-naphthols, R-Hsb (R = 4'-OMe, 4'-Me, 4'-Cl, H, 4'-Br, 4'-CF3, 4'-CN, 4'-NO2, 2'-OMe, 2'-Me, 2'-CHMe2, 2'-Cl, 2'-CN, and 2'-NO2), in the solid state and in solution in both polar and non-polar solvents has shown that the hydrogen-bonded keto-tautomer is dominant in polar solvents.Reaction of cobalt(II) salts with R-Haz and with R-Hsb in ethanol produces
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