Issue 0, 1971
From the journal:

Journal of the Chemical Society B: Physical Organic

Electronic absorption spectra of some julolidine (2,3,6,7-tetrahydro-1H, 5H-benzo[ij]quinolizine) analogues of 4-dimethylaminoazobenzenes

R. W. Castelino  and  G. Hallas  

Abstract

Absorption spectra of 9-phenylazojulolidine and nine para-substituted derivatives have been determined for solutions in ethanol. Pronounced bathochromic shifts of the first-frequency band are observed relative to the corresponding derivatives of 4-dimethylaminoazobenzene. A linear relation is found between the difference in the absorption maxima of the dyes and their azonium salts and the appropriate Hammett substituent constant. 9-Pentafluorophenylazojulolidine does not form an azonium cation in ethanolic hydrogen chloride.

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Article information

DOI
https://doi.org/10.1039/J29710000793
Article type
Paper

J. Chem. Soc. B, 1971, 793-795

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Electronic absorption spectra of some julolidine (2,3,6,7-tetrahydro-1H, 5H-benzo[ij]quinolizine) analogues of 4-dimethylaminoazobenzenes

R. W. Castelino and G. Hallas, J. Chem. Soc. B, 1971, 793 DOI: 10.1039/J29710000793

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