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Labaz SA
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Labaz SA
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Priority to ES467123ApriorityCriticalpatent/ES467123A3/en
Publication of ES467123A3publicationCriticalpatent/ES467123A3/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedure for preparing derivatives of prostaglandins of the general formula: **(See formula)** wherein R2, R3 and R4, which are the same or different, each represent hydrogen or methyl and R7 and R8, when different, each represent hydrogen or a straight or branched chain alkyl group having 1 to 7 carbon atoms, or R7 and R8, when equal, each represent hydrogen or a straight chain alkyl group having 1 to 3 carbon atoms; characterized in that an acid of the general formula is refluxed: **(See formula)** wherein R2, R3, R4, R7 and R8 are defined as above, with aqueous acetic acid, to provide the required compound of formula I. (Machine-translation by Google Translate, not legally binding)
ES467123A1978-02-201978-02-20Procedure for preparing prostaglandin derivatives. (Machine-translation by Google Translate, not legally binding)
ExpiredES467123A3
(en)
Procedure for the preparation of new derivatives of 7h-indolyzin (5,6,7-ij) isoquinolein. (Machine-translation by Google Translate, not legally binding)