Journal Article

Process for the preparation of 3,5-diamino-4-chlorobenzoic acid isobutyl ester from 4-chlorobenzoic acid

  • Yang, Chenggen; Xie, Kaizhou; Wen, Chunxiang; Yang G
Faming Zhuanli Shenqing Gongkai (2003) CN 1415598
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Abstract

• The invention provides a process for the prepn. of 3,5-diamino-4-chlorobenzoic acid iso-Bu ester, which comprises reacting 4-chlorobenzoic acid with HNO3 in the presence of H2SO4, esterifying the resultant acid with isobutanol using H2SO4 as catalyst, and reducing the generated dinitro compd. with Fe/glacial acetic acid.

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APA

Yang, Chenggen; Xie, Kaizhou; Wen, Chunxiang; Yang, G. C. (2003). Process for the preparation of 3,5-diamino-4-chlorobenzoic acid isobutyl ester from 4-chlorobenzoic acid. Faming Zhuanli Shenqing Gongkai, CN 1415598.

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