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2,4,5-三氟苯甲酸的合成 被引量:1

Synthesis of 2,4,5-Trifluorobenzoic Acid
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摘要 以N-苯基四氯邻苯二甲酰亚胺为原料,通过氟代、脱氟、水解、脱羧四步反应制备2,4,5-三氟苯甲酸,含量98.6%,总收率67.7%。该工艺简便、生产成本低、收率高且适合工业化生产。 2,4,5-trifluorobenzoic acid was synthesized from N-phenyltetrachlorophthalimide by fluorination,defluorination,hydrolysis,decarboxylation with a purity of 98.6% and an overall yield of 67.7%.The process is simple,low cost,high yield and suitable for industrial production.
作者 黄生建
出处 《浙江化工》 CAS 2013年第3期5-6,10,共3页 Zhejiang Chemical Industry
关键词 N-苯基四氯邻苯二甲酰亚胺 2 4 5-三氟苯甲酸 氟化钾 N-phenyltetrachlorophthalimide 2 4 5-trifluorobenzoic acid potassium fluoride
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  • 1Qi JS. Purification of 2,4,5-trifluorobenzoic acid [P]. US:5336806, 1994-08-09. (CA 1995, 122: 9663p)
  • 2Wirth D, Gibert D, Boutin A. 2,4-Dichloro-5-fluorobenzonitrile and methods for its preparation, its use in the preparation of 2-chloro-4,5-difuorobenzic acid and new method of preparatopn of this acid[P] EP: 433124, 1991-06-19. (CA 1991,115: 114175j)
  • 3Nowak DM, Lin HC. Process for preparing 2,4,5-trifluorobenzoic acid[P]. US: 4876387, 1989-10-24. (CA 1990, 112:178349q)
  • 4Ralf P, Theodor P. Process for the preparation of 2,4,5-trifluorobenzonitrile[P]. EP: 557949, 1993-09-01. (CA 1993,119: 2090768n)
  • 5Braish TF, Fox DE. Syntheses of 2-halo-4,5-difluorobenzoic acids [J]. Org Prep Proced Int, 1991, 23 (5): 655-658.
  • 6Wang XC, Kalaritis P, Chang ML. Process for the prepartion of fluorinated benzoic acids[P]. US: 5576455, 1996-11-19.(CA 1993, 119: 138892)
  • 7Schach T. Process for the preparation of preparing 2,4,5-trifluorobenzonitrile[P]. US: 5187295, 1993-02-16; EP:500083, 1992-08-26. (CA 1993, 118: 147322w)
  • 8Kumai S, Ohashi M, Yaginuma Y, et al. Processes for producing 5-fluorobenzoic acids and their intermediates [P]. US:5241111, 1993-08-31. (CA 1991, 115: 207663g)

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