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Novartis AG
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Ciba Geigy AG
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Publication of ES264396A2publicationCriticalpatent/ES264396A2/en
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Improvements in the object of the main patent no. 229,259, by process for the preparation of heterocyclic compounds, relating to the preparation of dibenzoxazolyl-ethylenic compounds of the general formula ** (formula) ** in which a means a benzene nucleus in which 2 contiguous atoms of carbon with oxazole ring members, by treatment of acylamino compounds. (Machine-translation by Google Translate, not legally binding)
ES0264396A1960-01-281961-01-27Procedure for the preparation of heterocyclic compounds (Machine-translation by Google Translate, not legally binding)
ExpiredES264396A2
(en)
Procedure for manufacturing and obtaining compounds and derivatives of benzotidyacine-1,1-dioxides (chlorotidates) (Machine-translation by Google Translate, not legally binding)