Citation:
Zhang Hongkui, Chen Mingde, Guo Qizhen. Phase Transfer Catalytic Preparation of p-Chlorophenoxy Acetic Acid[J]. Chinese Journal of Applied Chemistry,
;1994, 11(1): 105-107.
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p-Chlorophenoxy acetic acid was prepared by reaction of chloroacetic acid and p-chlorophenol in the presence of polyethylene glycol PEG800 and KI with powdery K2CO3 in toluene. When the reaction was carried out at 105~110℃ for 2 hours, the yield of p-chlorophenoxy acetic acid was 94.8%.
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