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Sonochemical chloro-oxidation of phenols using HCl-H2O2
B S Bhatkhande1, M V Adhikari, S D Samant
1Organic Chemistry Laboratory, Division of Applied Chemistry, University Department of Chemical Technology, University of Mumbai, Matunga, Mumbai 400 019, India.
Ultrasonics Sonochemistry
|October 18, 2001
Abstract:
The reaction of phenol, 2-nitrophenol, thymol, 1-naphthol and 1-hydroxy-2-naphthoic acid with HCl-H2O2 was carried out in the presence and in the absence of ultrasound. In the presence of ultrasound phenol, 2-nitrophenol and thymol gave only the chlorinated products, while 1-naphthol and 1-hydroxy-2-naphthoic acid gave chlorinated quinones as the major products. The reactions with ultrasound were compared with those without ultrasound.