GB362852A - Improved manufacture of organic arsenic compounds - Google Patents

Improved manufacture of organic arsenic compounds

Info

Publication number
GB362852A
GB362852A GB26265/30A GB2626530A GB362852A GB 362852 A GB362852 A GB 362852A GB 26265/30 A GB26265/30 A GB 26265/30A GB 2626530 A GB2626530 A GB 2626530A GB 362852 A GB362852 A GB 362852A
Authority
GB
United Kingdom
Prior art keywords
acid
arsonic acid
arsonic
aromatic
ethyl
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
GB26265/30A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB26265/30A priority Critical patent/GB362852A/en
Publication of GB362852A publication Critical patent/GB362852A/en
Expired legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/66Arsenic compounds
    • C07F9/70Organo-arsenic compounds
    • C07F9/74Aromatic compounds

Landscapes

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

Abstract

Derivatives of aromatic p-aminoarsonic acids, containing the group .NH.CO.X.CO.N:, in which X is an aliphatic bivalent radical, and in which one or both of the free valencies of the right-hand nitrogen atom may be satisfied by hydrogen or by a simple or substituted aliphatic, aromatic, hydroaromatic or heterocyclic radical or radicals, or in which the nitrogen atom forms part of a heterocyclic ring, are manufactured by condensing the aromatic p-arsonic acid or a derivative thereof with an aliphatic dicarboxylic acid or a simple derivative thereof, such as an ester, anhydride or acid chloride, and condensing the product or a simple derivative thereof with ammonia or with a primary or secondary amine having a simple or substituted aliphatic, aromatic, hydroaromatic or heterocyclic radical or radicals, or with a secondary heterocyclic nitrogenous base. In examples: (1) sodium p-arsanilate is heated with succinic anhydride, yielding, on acidification, p-arsonosuccinanilic acid, which is condensed with aniline to produce succinanilide-mono-p-arsonic acid; (2) p-arsonosuccinanilic acid is condensed with methylamine or ethylamine, producing succinanilomethylamine-p-arsonic acid or the corresponding ethylamide; (3) p-arsonosuccinanilic acid is converted by heat into succinanil-p-arsonic acid, which with alcoholic ammonia yields succinanilamide-p-arsonic acid; (4) succinanil-p-arsonic acid with dimethylamine produces succinanilodimethylamide-p-arsonic acid; (5) succinanil-p-arsonic acid is condensed with piperidine to form succinanilopiperidide-p-arsonic acid; (6) sodium p-arsanilate is treated with carbethoxyacetyl chloride and caustic soda to produce ethyl p-arsonomalonanilate which is heated under pressure with aqueous ammonia giving malonanilamide-p-arsonic acid; (7) ethyl p-arsonomalonanilate is treated with methylamine or ethylamine to produce malonanilomethylamide-p-arsonic acid or the corresponding ethylamide; (8) ethyl p-arsonomalonanilate with dimethylamine yields malonanilodimethylamide-p-arsonic acid; (9) ethyl-p-arsonomalonanilate is saponified and the product treated with thionyl chloride followed by aniline to produce malonanilide-p-arsine oxide, which is converted by hydrogen peroxide to malonanilide-p-arsonic acid; (10) sodium p-arsanilate is treated with caustic soda and g -carbethoxybutyryl chloride (obtained by treating monoethyl glutarate with thionyl chloride), producing ethyl p-arsonoglutaranilate, which with methylamine yields glutaranilomethylamide-p-arsonic acid. The Provisional Specification describes the treatment of aminoarsonic acids in general, and the manufacture of compounds containing the group .NH.CO.CO.N : or the group .NH.CO.X.CO.N : in which X may be an aromatic, hydroaromatic or heterocyclic bivalent radical.
GB26265/30A 1930-09-03 1930-09-03 Improved manufacture of organic arsenic compounds Expired GB362852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB26265/30A GB362852A (en) 1930-09-03 1930-09-03 Improved manufacture of organic arsenic compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26265/30A GB362852A (en) 1930-09-03 1930-09-03 Improved manufacture of organic arsenic compounds

Publications (1)

Publication Number Publication Date
GB362852A true GB362852A (en) 1931-12-03

Family

ID=10240922

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26265/30A Expired GB362852A (en) 1930-09-03 1930-09-03 Improved manufacture of organic arsenic compounds

Country Status (1)

Country Link
GB (1) GB362852A (en)

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