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
GB26753/56A
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.)
BASF Schweiz AG
Original Assignee
Ciba AG
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 Ciba AGfiledCriticalCiba AG
Publication of GB830936ApublicationCriticalpatent/GB830936A/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
The invention comprises esters of the general formula <FORM:0830936/IV (b)/1> (wherein R represents an alkyl radical of 4 or 5 carbon atoms, R1 represents hydrogen or a methyl radical, and n is a whole number from 7 to 15 inclusive), and the preparation thereof by reacting an appropriate N-alkyl-p-aminosalicylic acid, or a reactive derivative thereof, with a polyglycol of the general formula HO-(CH2CH2-O)n-R1 or a reactive derivative thereof, or by hydrolysis or hydrogenolysis of a compound of the general formula <FORM:0830936/IV (b)/2> wherein X represents a residue convertible into a free hydroxy group by hydrolysis or hydrogenolysis (e.g. a benzyloxy group). The products are useful as cough remedies.
GB26753/56A1955-09-021956-08-31New esters of n-alkyl-ú-aminosalicylic acids
ExpiredGB830936A
(en)