GB595235A - Improvements in or relating to the manufacture of substituted sulphonamido compounds - Google Patents

Improvements in or relating to the manufacture of substituted sulphonamido compounds

Info

Publication number
GB595235A
GB595235A GB2577047A GB2577047A GB595235A GB 595235 A GB595235 A GB 595235A GB 2577047 A GB2577047 A GB 2577047A GB 2577047 A GB2577047 A GB 2577047A GB 595235 A GB595235 A GB 595235A
Authority
GB
United Kingdom
Prior art keywords
guanidine
relating
manufacture
sulphonamide
ethylene glycol
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
GB2577047A
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.)
Glaxo Laboratories Ltd
Original Assignee
Glaxo Laboratories Ltd
Filing date
Publication date
Application filed by Glaxo Laboratories Ltd filed Critical Glaxo Laboratories Ltd
Publication of GB595235A publication Critical patent/GB595235A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C311/00Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
    • C07C311/50Compounds containing any of the groups, X being a hetero atom, Y being any atom
    • C07C311/52Y being a hetero atom
    • C07C311/64X and Y being nitrogen atoms, e.g. N-sulfonylguanidine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Sulphonamides of the general formula <FORM:0595235/IV/1> or <FORM:0595235/IV/2> in which X is a chlorine or bromine atom or an amino or acylamino group are prepared by heating the sulphonamide <FORM:0595235/IV/3> with a guanidine salt in the presence of a strong base at a temperature such that ammonia is formed. In a modification, the guanidine salt is reacted with the alkali metal derivative of the sulphonamide. The process may be effected at 110 DEG to 200 DEG C., if desired in the presence of a solvent such as ethylene glycol. Guanidine sulphate and carbonate are specified as suitable guanidine salts. In an example, sulphanilamide, guanidine sulphate, potassium hydroxide and ethylene glycol are heated to 160 DEG C. for 45 minutes, and p-aminobenzene-sulphonyl guanidine is separated from the product.
GB2577047A 1943-07-19 Improvements in or relating to the manufacture of substituted sulphonamido compounds Expired GB595235A (en)

Publications (1)

Publication Number Publication Date
GB595235A true GB595235A (en) 1947-11-28

Family

ID=1739502

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2577047A Expired GB595235A (en) 1943-07-19 Improvements in or relating to the manufacture of substituted sulphonamido compounds

Country Status (1)

Country Link
GB (1) GB595235A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666073A (en) * 1951-01-19 1954-01-12 Chemie Linz Ag Process for the manufacture of n1-acylated aminoarylsulfonamides

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666073A (en) * 1951-01-19 1954-01-12 Chemie Linz Ag Process for the manufacture of n1-acylated aminoarylsulfonamides

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