18. Reactions of Aromatics:EAS and Beyond
Electrophilic Aromatic Substitution
Problem 17w
Textbook Question
Textbook QuestionPhenolphthalein, a common nonprescription laxative, is also an acid–base indicator that is colorless in acid and red in base. Phenolphthalein is synthesized by the acid-catalyzed reaction of phthalic anhydride with 2 equivalents of phenol.
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