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.)
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AstraZeneca AB
Original Assignee
Astra AB
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Publication date
Application filed by Astra ABfiledCriticalAstra AB
Priority to ES0242429ApriorityCriticalpatent/ES242429A1/en
Publication of ES242429A1publicationCriticalpatent/ES242429A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Acyclic And Carbocyclic Compounds In Medicinal Compositions
(AREA)
Abstract
A method for the preparation of a local anesthetic of the aminoacyl-aniline type, characterized in that in order to form a compound of general formula ** (See formula) ** two compounds of general formulas are reacted ** (See formula) ** wherein R represents an alkyl group having from two to four carbon atoms and Z represents NH.R or an atom or atomic group convertible thereon and x and y represent atoms or atomic groups that are capable of reacting with each other with bridging acylamine ** (See formula) ** so that the compound (I) is formed which, if desired, can be converted into a salt of pharmaceutical utility. (Machine-translation by Google Translate, not legally binding)
ES0242429A1958-06-131958-06-13A method for the preparation of a local anesthetic (Machine-translation by Google Translate, not legally binding)
ExpiredES242429A1
(en)
A procedure for the preparation of acil-anylides with basic substitutors and their derivatives (Machine-translation by Google Translate, not legally binding)