GB191100568A - Improvements in the Manufacture of Organic Derivatives of Arsenic Acid. - Google Patents

Improvements in the Manufacture of Organic Derivatives of Arsenic Acid.

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Publication number
GB191100568A
GB191100568A GB191100568DA GB191100568A GB 191100568 A GB191100568 A GB 191100568A GB 191100568D A GB191100568D A GB 191100568DA GB 191100568 A GB191100568 A GB 191100568A
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GB
United Kingdom
Prior art keywords
acid
compounds
diazo
sodium
arsenite
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
Inventor
Heinrich Bart
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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.)
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Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB191100568A publication Critical patent/GB191100568A/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

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

Abstract

568. Bart, H. Jan. 7, 1910, [Convention date]. Arylarsonic acids.-Aryl substitution derivatives of arsenic acid useful in therapeutics, and having the general formula R - As#O #<OK>OK, u where R is an aromatic radicle and K is a kation, are obtained by causing bodies containing the group - As#<OK>OK or - As = O to react with aromatic diazo compounds, with the exception of normal diazobenzene, in neutral acid, or alkaline solution or suspension, preferably with the application of heat. Suitable compounds containing the afore-mentioned groups are arsenious acid or its salts, arylarsenic oxides, arylarsinious acids, or their salts, &c. In examples p-bromphenylarsonic acid is produced from the diazo compound of p-bromaniline, pmonoacetylaminophenylarsonic acid from the diazo compound of p-monoacetylphenylenediamine, p-tolylarsonic acid from the diazo compound of p-toluidine, and o-carboxyphenylarsonic acid from the diazo compound of oaminobenzoic acid. The Specification as open to inspection under Section 91 (3) (a) mentions also the use of diazo compounds containing more than one aromatic nucleus in which at least a diazo group is present, and also the use of diazo compounds from arylarsinic, or polyarsinic, acids which may also contain substituents such as OH, NH2, and NO2. Compounds of the type <#R>R #AS# <OK>O may also be produced, and in examples compounds are produced from potassium isodiazobenzene and potassium arsenite, sodium o-nitroisodiazobenzene or its isomers and sodium arsenite, 4-nitro-2-diazophenol or its isomers and sodium arsenite, sodium m-diazophenylarsonate or diazoarsonic acids containing substituents such as NH2, OH, halogen, SO3H, AsO.(OH)2, &c. and potassium arsenite, p-nitrodiazobenzene and arsenious acid, 4-nitro-2-diazophenol and magnesium arsenite, p-nitrodiazobenzene and sodium p-nitrophenylarsonate or compounds with positive substituents such as macetylaminophenylarsonic acid, and from pdiazophenol or its isomers, or diazopolyphenols, or ethers or esters of any of these compounds, such as diazoguaiacol, and sodium arsenite. This subject - matter does not appear in the Specification as accepted.
GB191100568D 1910-01-07 1911-01-09 Improvements in the Manufacture of Organic Derivatives of Arsenic Acid. Expired GB191100568A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191100568X 1910-01-07

Publications (1)

Publication Number Publication Date
GB191100568A true GB191100568A (en) 1911-07-27

Family

ID=32336945

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191100568D Expired GB191100568A (en) 1910-01-07 1911-01-09 Improvements in the Manufacture of Organic Derivatives of Arsenic Acid.

Country Status (2)

Country Link
DE (3) DE254345C (en)
GB (1) GB191100568A (en)

Also Published As

Publication number Publication date
DE254345C (en) 1912-11-30
DE250264C (en) 1900-01-01
DE268172C (en) 1913-12-09

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