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Sandoz AG
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Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Abstract
Procedure for obtaining heterocyclic compounds, which conform to formula I, **(See formula)** wherein R1 represents a hydrogen or chlorine atom, a methyl, benzyloxy or hydroxyl radical, and R2 represents a hydrogen atom or a methyl radical, characterized in that an aldimine of formula III is reduced, **(See formula)** where R'1 represents a hydrogen or chlorine atom or a methyl or benzyloxy radical and R2 has the above meaning, optionally any benzyl group present is cleaved, and when an addition salt is required with acids, it is salified with an acid organic or inorganic. (Machine-translation by Google Translate, not legally binding)
ES0285161A1962-02-161963-02-15Procedure for obtaining heterocyclic compounds (Machine-translation by Google Translate, not legally binding)
ExpiredES285161A1
(en)