About This Book
The dissertation examines methods for preparing ortho-sulpho-benzoic acid and uses it to synthesize and characterize sulphonated phthalein-like compounds derived from phenols. It presents experimental procedures for isolation and purification, analytical and crystallographic data for salts, and studies of chemical behavior under acids, reduction, and substitution. Derivatives such as acetylated and brominated products are prepared and analyzed, with observations on solubility, fluorescence, and composition. The report emphasizes comparative effects of replacing carbonyl with sulfonyl groups and documents practical difficulties encountered during synthesis and analysis.
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