Shen Li-tao
2010
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Journal
Natural Science Journal of Xiangtan University
Abstract
5-fluorosalicylic acid was prepared from 2-chloro-benzonitrile by nitration,reduction with hydrazine hydrate,which was converted to 5-fluoro-2-chlorobenzonitrile through improved Schiemann reaction and then hydrolyzation with NaOH with an overall yield of 55.7 %.