Improvements in the preparation of certain dyestuff intermediates (1918)
Birchard, John Wesley · leaf 43
er derivative^. However some difficulties are experienced apparently since phthalic anhydride is quoted at present at $5.00 per pound.. In the process used here, LiebermannAr was followed for the preparation of ct-naphthol orange from nap hthol and diazo-sulphanalic acid. The hydrochloride of…
Dyes and dyeing · Intermediates (Chemistry) · Theses
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