GB771567A - Improvements in or relating to manufacture of substituted o-nitro amino compounds - Google Patents

Improvements in or relating to manufacture of substituted o-nitro amino compounds

Info

Publication number
GB771567A
GB771567A GB1271054A GB1271054A GB771567A GB 771567 A GB771567 A GB 771567A GB 1271054 A GB1271054 A GB 1271054A GB 1271054 A GB1271054 A GB 1271054A GB 771567 A GB771567 A GB 771567A
Authority
GB
United Kingdom
Prior art keywords
nitro
substituted
salt
potassium
anisidine
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
GB1271054A
Inventor
Edward Sydney Lane
Clarence Williams
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Priority to GB1271054A priority Critical patent/GB771567A/en
Publication of GB771567A publication Critical patent/GB771567A/en
Expired legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

A process of preparing a substituted o-nitro-amino compound comprises converting the corresponding substituted amine to the alkali metal salt of the N-nitro derivative and effecting the rearrangement of the salt in an acid medium to form the o-nitro-amino compound. The substituted amine may be nitrated in a potassium ethoxide solution, e.g. containing ethanol and diethyl ether, using an alkyl nitrate. The potassium salt of the N-nitro derivative is allowed to separate out and is then added portionwise to dilute aqueous sulphuric acid. In examples: 3-nitro-o-anisidine is obtained by treating o-anisidine with a mixture of potassium ethoxide ethanol, diethyl ether and amyl nitrate, adding the potassium salt of o-anisylnitramine which separates to aqueous sulphuric acid and neutralizing the reaction mixture, after dilution, with ammonia (1); and 4-chloro-2-nitro aniline is similarly obtained using p-chloraniline as starting material.
GB1271054A 1954-05-01 1954-05-01 Improvements in or relating to manufacture of substituted o-nitro amino compounds Expired GB771567A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1271054A GB771567A (en) 1954-05-01 1954-05-01 Improvements in or relating to manufacture of substituted o-nitro amino compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1271054A GB771567A (en) 1954-05-01 1954-05-01 Improvements in or relating to manufacture of substituted o-nitro amino compounds

Publications (1)

Publication Number Publication Date
GB771567A true GB771567A (en) 1957-04-03

Family

ID=10009697

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1271054A Expired GB771567A (en) 1954-05-01 1954-05-01 Improvements in or relating to manufacture of substituted o-nitro amino compounds

Country Status (1)

Country Link
GB (1) GB771567A (en)

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