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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BOFILL AUGE JOSE ANTONIO
ESPINOS TAYA JOSE MARIA
Original Assignee
BOFILL AUGE JOSE ANTONIO
ESPINOS TAYA JOSE MARIA
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Application filed by BOFILL AUGE JOSE ANTONIO, ESPINOS TAYA JOSE MARIAfiledCriticalBOFILL AUGE JOSE ANTONIO
Priority to ES0231820ApriorityCriticalpatent/ES231820A3/en
Publication of ES231820A3publicationCriticalpatent/ES231820A3/en
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms
(AREA)
Abstract
Process for the preparation of oxazolidonic derivatives, of general formula ** (See formula) ** wherein R1, R2, R3, R4 represent hydrogens or low alkyl or hydroxyalkyl radicals, characterized by reacting 5-nitrofurfural ** (See formula) ** or its gem-diacetate ** (See formula) ** with a derivative of 3-amino-2-oxazolidone, of general formula ** (See formula) ** wherein the R have the meanings indicated above, obtained by catalytic or electrolytic reduction of the corresponding derivative of 3-nitro-2-oxazolidone, or with an addition compound of said 3-amino-2-oxazolidonic derivative with an aldehyde or with a ketone. (Machine-translation by Google Translate, not legally binding)
ES0231820A1956-11-031956-11-03Procedure for the preparation of oxazolidonic derivatives (Machine-translation by Google Translate, not legally binding)
ExpiredES231820A3
(en)
A procedure for the preparation of new nitrogenated compounds, especially with spasmolitic action. (Machine-translation by Google Translate, not legally binding)