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Sandoz AG
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Sandoz AG
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Publication of ES322709A1publicationCriticalpatent/ES322709A1/en
C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
Abstract
"Process for obtaining dioxane derivatives" of general formula I, ** (See formula) ** wherein R 1 signifies a hydrogen or chlorine atom or an alkoxy radical containing from 1 to 4 carbon atoms inclusive, and each of R 2 and R 3 signifies a hydrogen atom, an alkyl radical containing from 1 to 4 atoms including carbon, a hydroxyalkyl radical containing from 1 to 4 carbon atoms inclusive or the phenyl radical, characterized in that a compound of general formula II is catalytically hydrogenated, ** (See formula) ** wherein R1, R2 and R3 have the meanings indicated above, in an organic solvent that is inert under the conditions of the reaction. (Machine-translation by Google Translate, not legally binding)
ES0322709A1965-02-081966-02-07Procedure for obtaining dioxan derivatives. (Machine-translation by Google Translate, not legally binding)
ExpiredES322709A1
(en)
Procedure for the obtaining of derivatives of 5,6,7,9, 10,14b-hexahidro-isoquinolo- (2,1-d) benzo (1,4) -diacepin-6ona. (Machine-translation by Google Translate, not legally binding)