IES20180113A2 - Drug intermediates p-benzoylbenzoic acid synthesis method - Google Patents

Drug intermediates p-benzoylbenzoic acid synthesis method

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Publication number
IES20180113A2
IES20180113A2 IES20180113A IES20180113A2 IE S20180113 A2 IES20180113 A2 IE S20180113A2 IE S20180113 A IES20180113 A IE S20180113A IE S20180113 A2 IES20180113 A2 IE S20180113A2
Authority
IE
Ireland
Prior art keywords
solution
added
benzoylbenzoic acid
synthesis method
acid synthesis
Prior art date
Application number
Inventor
Peng Fei
Original Assignee
Chengdu Qie Si Te Tech Co Ltd
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 Chengdu Qie Si Te Tech Co Ltd filed Critical Chengdu Qie Si Te Tech Co Ltd
Publication of IES20180113A2 publication Critical patent/IES20180113A2/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

The present invention discloses p-benzoylbenzoic acid synthesis method, comprises the following steps: 3-amino-4-hydroxymethylbenzophenone and potassium nitrate solution were added to the reaction vessel, controlled the stirring speed, raised the temperature of the solution, added 2-methyl-l-butanol solution, added terbium oxide powder in batches; maintain reflux, added potassium bromide solution, precipitateed the crystals, filter, washed with o-xylene solution for several times, washed with hexachloroethane solution for several times, recrystallized in thionyl chloro solution, dehydrated with dehydration, got the finished product of p-benzoylbenzoic acid. <Figure 1>
IES20180113 2017-06-16 2018-04-04 Drug intermediates p-benzoylbenzoic acid synthesis method IES20180113A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710457417.4A CN108238901A (en) 2017-06-16 2017-06-16 Pharmaceutical intermediate is to the synthetic method of benzoyl benzoic acid

Publications (1)

Publication Number Publication Date
IES20180113A2 true IES20180113A2 (en) 2019-11-13

Family

ID=59523434

Family Applications (1)

Application Number Title Priority Date Filing Date
IES20180113 IES20180113A2 (en) 2017-06-16 2018-04-04 Drug intermediates p-benzoylbenzoic acid synthesis method

Country Status (4)

Country Link
CN (1) CN108238901A (en)
AU (1) AU2018100526A4 (en)
GB (1) GB201709978D0 (en)
IE (1) IES20180113A2 (en)

Also Published As

Publication number Publication date
CN108238901A (en) 2018-07-03
GB201709978D0 (en) 2017-08-09
AU2018100526A4 (en) 2018-05-24

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