Abstract
Abstract The chemical shifts of the ring protons of some monosubstituted naphthalenes were assigned from 250 MHz spectra, and the assignments were used to assist in the interpretation of the spectra of a number of naphthalene sulfonic acids which are commonly used as dyestuff intermediates. A table of parameters is presented which would assist in the identification of complex azo dyes that are derived from these naphthalene derivatives.
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