ES8606254A1 - Prepn. of para -amino-benzoic acid derivs. - Google Patents

Prepn. of para -amino-benzoic acid derivs.

Info

Publication number
ES8606254A1
ES8606254A1 ES543774A ES543774A ES8606254A1 ES 8606254 A1 ES8606254 A1 ES 8606254A1 ES 543774 A ES543774 A ES 543774A ES 543774 A ES543774 A ES 543774A ES 8606254 A1 ES8606254 A1 ES 8606254A1
Authority
ES
Spain
Prior art keywords
prepn
para
amino
benzoic acid
acid derivs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES543774A
Other languages
Spanish (es)
Other versions
ES543774A0 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lasa Laboratorios SA
Original Assignee
Lasa Laboratorios SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lasa Laboratorios SA filed Critical Lasa Laboratorios SA
Priority to ES543774A priority Critical patent/ES8606254A1/en
Publication of ES8606254A1 publication Critical patent/ES8606254A1/en
Publication of ES543774A0 publication Critical patent/ES543774A0/en
Expired legal-status Critical Current

Links

Abstract

Prepn. comprises reacting salicylazobenzoic acid (opt. acetylated) with an equal amt. of suitable (in)organic base. The reaction takes place in an aq. medium, under reflux and the formed salt is sepd. by salting or mixing the obtd. aq. soln. with a miscible organic solvent. R1 is an (in)organic cation. R2 is H or CH3CO.
ES543774A 1985-05-31 1985-05-31 Prepn. of para -amino-benzoic acid derivs. Expired ES8606254A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES543774A ES8606254A1 (en) 1985-05-31 1985-05-31 Prepn. of para -amino-benzoic acid derivs.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES543774A ES8606254A1 (en) 1985-05-31 1985-05-31 Prepn. of para -amino-benzoic acid derivs.

Publications (2)

Publication Number Publication Date
ES8606254A1 true ES8606254A1 (en) 1986-04-01
ES543774A0 ES543774A0 (en) 1986-04-01

Family

ID=8489312

Family Applications (1)

Application Number Title Priority Date Filing Date
ES543774A Expired ES8606254A1 (en) 1985-05-31 1985-05-31 Prepn. of para -amino-benzoic acid derivs.

Country Status (1)

Country Link
ES (1) ES8606254A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002018324A3 (en) * 2000-08-29 2002-08-29 Nobex Corp Immunoregulatory compounds, derivatives thereof and their use
US7932366B2 (en) 2004-07-07 2011-04-26 Biocon Limited Synthesis of azo bonded immunoregulatory compounds
US8048924B2 (en) 2001-08-29 2011-11-01 Biocon Limited Methods and compositions employing 4-aminophenylacetic acid compounds

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002018324A3 (en) * 2000-08-29 2002-08-29 Nobex Corp Immunoregulatory compounds, derivatives thereof and their use
US8048924B2 (en) 2001-08-29 2011-11-01 Biocon Limited Methods and compositions employing 4-aminophenylacetic acid compounds
US7932366B2 (en) 2004-07-07 2011-04-26 Biocon Limited Synthesis of azo bonded immunoregulatory compounds
US8314214B2 (en) 2004-07-07 2012-11-20 Biocon Limited Synthesis of azo bonded immunoregulatory compounds
US8754197B2 (en) 2004-07-07 2014-06-17 Biocon Limited Synthesis of azo bonded immunoregulatory compounds

Also Published As

Publication number Publication date
ES543774A0 (en) 1986-04-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970612