ES278128A2 - Procedure for the preparation of heterocyclic compounds replaced with a base (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of heterocyclic compounds replaced with a base (Machine-translation by Google Translate, not legally binding)
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Wander AG
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Wander AG
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Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Abstract
Improvements introduced in the object of the main patent No. 261,010 granted by "Process for the preparation of heterocyclic compounds substituted with a base", consisting of a process for the preparation of compounds of the formula ** (See formula) ** wherein R 'means a methyl, methoxy or trifluoromethyl group, as well as acid addition salts thereof, characterized in that it is cyclized, with the evolution of water, respectively of an alcohol, an o-amino-o'-carboxy -difenil-amine of the formula ** (See formula) ** wherein R means hydrogen or a lower alkyl group and R 'has the meaning indicated above, the reaction product being obtained as a free base or in the form of an acid addition salt. (Machine-translation by Google Translate, not legally binding)
ES0278128A1961-10-031962-06-08Procedure for the preparation of heterocyclic compounds replaced with a base (Machine-translation by Google Translate, not legally binding)
ExpiredES278128A2
(en)