GB487824A - Process for the manufacture of amino-alkylesters of carbocyclic acids and of aliphatic amino-alcohols therefrom - Google Patents

Process for the manufacture of amino-alkylesters of carbocyclic acids and of aliphatic amino-alcohols therefrom

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Publication number
GB487824A
GB487824A GB230/38A GB23038A GB487824A GB 487824 A GB487824 A GB 487824A GB 230/38 A GB230/38 A GB 230/38A GB 23038 A GB23038 A GB 23038A GB 487824 A GB487824 A GB 487824A
Authority
GB
United Kingdom
Prior art keywords
yield
ester
amino
hydroxybenzoic acid
diethylamine
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
GB230/38A
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
Publication of GB487824A publication Critical patent/GB487824A/en
Expired legal-status Critical Current

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Abstract

Aminoalkyl esters of carbocyclic acids are prepared by esterifying the acids with alkylene glycols, with the aid of gaseous hydrogen chloride or hydrogen bromide, and treating the halogenalkyl esters so obtained with amines. Aliphatic aminoalcohols may be obtained by saponifying the aminoalkyl esters. In the examples: (1) p-hydroxybenzoic acid is heated with trimethylene glycol while hydrogen chloride is passed in, and the g -chloropropyl ester so produced is isolated and heated with diethylamine; p-hydroxybenzoic acid g -diethylamino propyl ester is produced, and may then be isolated and saponified to yield g -diethylaminopropanol; (2) anisic acid is esterified with ethylene glycol, with the aid of hydrogen chloride, to yield anisic acid b -chlorethyl ester, and the latter is heated with diethylamine to yield the b -diethylaminoethyl ester; this may then be saponified to yield b -diethylaminoethanol; (3) similarly, p-hydroxybenzoic acid and propylene glycol yield p-hydroxybenzoic acid p-chlorisopropyl ester, which is reacted with diethylamine to yield the b -diethylaminoisopropyl ester.
GB230/38A 1937-06-22 1938-01-04 Process for the manufacture of amino-alkylesters of carbocyclic acids and of aliphatic amino-alcohols therefrom Expired GB487824A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE487824X 1937-06-22

Publications (1)

Publication Number Publication Date
GB487824A true GB487824A (en) 1938-06-27

Family

ID=6543699

Family Applications (1)

Application Number Title Priority Date Filing Date
GB230/38A Expired GB487824A (en) 1937-06-22 1938-01-04 Process for the manufacture of amino-alkylesters of carbocyclic acids and of aliphatic amino-alcohols therefrom

Country Status (1)

Country Link
GB (1) GB487824A (en)

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