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Yan Shigang, Song Shuzhong. PHASE TRANSFER CATALYZED BROMO-HYDROXYLATION OF STYRENE[J]. Chinese Journal of Applied Chemistry,
;1990, 7(2): 69-70.
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Polyethylene glycol(PEG) is used as a phase transfer catalyst in the bromo-hydroxylation of styrene.Experimental results showed that the yield of β-blomo-α-hydroxyethylbenzene and the reaction rate are enhanced by addition of PEG into the system, and the effect increased remarkably with the increasing amount of sulfuric acid. The maximum, yield of β-bromo-α-hydroxyethylbenzen is 92%. A possible mechanism is proposed.
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