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A series of 3‐{2‐[1‐acetyl‐5‐(substitutedphenyl)‐4,5‐dihydropyrazol‐3‐yl]hydrazinylidene}‐1,3‐dihydro‐2H‐indol‐2‐ones 24–43 was synthesized using an appropriate synthetic route and evaluated experimentally by the maximal electroshock test. These compounds were evaluated for antidepressant and antianxiety activities. The most active compound, 3‐{2‐[1‐acetyl‐5‐(4‐chlorophenyl)‐4,5‐dihydropyrazol‐3‐yl]hydrazinylidene}‐1,3‐dihydro‐2...
A highly efficient, simple and rapid method for the preparation of various 2-aminobenzoxazoles and other benzoxazole derivatives using a catalytic amount of poly (ethylene glycol)-bound sulfonic acid (PEG-SO3H) is described. PEG-SO3H is found to be an economical and reusable catalyst with low catalytic loading. The percent yield was found to be satisfactory, experimental set up and purification of...
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