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.)
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.)
Nordmark Werke GmbH
Original Assignee
Nordmark Werke GmbH
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 Nordmark Werke GmbHfiledCriticalNordmark Werke GmbH
Publication of ES263882A1publicationCriticalpatent/ES263882A1/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 2-amino-oxazales, characterized in that the cyanamide or a monoalkaline or dialkaline or alkaline-earth salt of cyanamide is reacted in an alkaline, neutral or acidic medium or a derivative of cyanamide, in which a the hydrogen atom of the amino group is substituted by a benzolsulfonyl residue, in an acidic medium with an alpha-oxyketone, and the resulting 2-amino-oxazole is isolated as such or in the form of an acid or basic salt. (Machine-translation by Google Translate, not legally binding)
ES0263882A1960-02-011961-01-09Procedure for the elaboration of 2-amino-oxazoles (Machine-translation by Google Translate, not legally binding)
ExpiredES263882A1
(en)
Procedure for the monohydration of the equimolecular complex formed by ascorbic acid and pyridoxine. (Machine-translation by Google Translate, not legally binding)
Procedure for obtaining a derivative of 1,1-dioxide from 3,4-hydride-1,2,4-benzotiadiacin (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of heterocyclic esters of the acid tionotiolfosfºr- (con) -ico (Machine-translation by Google Translate, not legally binding)