GB1306574A - Process for the preparation of 4-chloro-n-furfyrl-5-sulphamoyl anthranilic acid - Google Patents

Process for the preparation of 4-chloro-n-furfyrl-5-sulphamoyl anthranilic acid

Info

Publication number
GB1306574A
GB1306574A GB1312371*[A GB1312371A GB1306574A GB 1306574 A GB1306574 A GB 1306574A GB 1312371 A GB1312371 A GB 1312371A GB 1306574 A GB1306574 A GB 1306574A
Authority
GB
United Kingdom
Prior art keywords
sulphamoyl
chloro
anthranilic acid
furfyrl
preparation
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
GB1312371*[A
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.)
Assia Chemical Laboratories Ltd
Original Assignee
Assia Chemical Laboratories 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 Assia Chemical Laboratories Ltd filed Critical Assia Chemical Laboratories Ltd
Publication of GB1306574A publication Critical patent/GB1306574A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D307/52—Radicals substituted by nitrogen atoms not forming part of a nitro radical

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Furan Compounds (AREA)

Abstract

1306574 Process for 4-chloro-N-furfuryl-5- sulphamoyl anthranilic acid "ASSIA" CHEMICAL LABORATORIES Ltd 5 May 1971 [6 May 1970] 13123/71 Heading C2C The title, therapeutic compound is made by reacting an alkali metal salt of 3-sulphamoyl-4, 6- dichlorobenzoic acid (optionally formed in situ), in the absence of water, with about 3 equivalents of furfurylamine at 120-140‹ C. and thereafter effecting acidification.
GB1312371*[A 1970-05-06 1971-05-05 Process for the preparation of 4-chloro-n-furfyrl-5-sulphamoyl anthranilic acid Expired GB1306574A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL34482A IL34482A (en) 1970-05-06 1970-05-06 Process for the preparation of 4-chloro-n-furfuryl-5-sulfamoyl anthranilic acid

Publications (1)

Publication Number Publication Date
GB1306574A true GB1306574A (en) 1973-02-14

Family

ID=11045391

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1312371*[A Expired GB1306574A (en) 1970-05-06 1971-05-05 Process for the preparation of 4-chloro-n-furfyrl-5-sulphamoyl anthranilic acid

Country Status (11)

Country Link
BE (1) BE766621A (en)
CA (1) CA943130A (en)
CH (1) CH531500A (en)
DE (1) DE2121764A1 (en)
DK (1) DK125466B (en)
FR (1) FR2091072A5 (en)
GB (1) GB1306574A (en)
IL (1) IL34482A (en)
NL (1) NL7016189A (en)
SE (1) SE369521B (en)
ZA (1) ZA712885B (en)

Also Published As

Publication number Publication date
NL7016189A (en) 1971-11-09
DE2121764A1 (en) 1971-11-25
IL34482A0 (en) 1970-07-19
ZA712885B (en) 1972-01-26
CA943130A (en) 1974-03-05
BE766621A (en) 1971-11-03
FR2091072A5 (en) 1972-01-14
IL34482A (en) 1974-03-14
CH531500A (en) 1972-12-15
DK125466B (en) 1973-02-26
SE369521B (en) 1974-09-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee