Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Novartis AG
Original Assignee
Ciba Geigy AG
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Publication date
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Priority to ES526745ApriorityCriticalpatent/ES8601883A1/en
Publication of ES526745A0publicationCriticalpatent/ES526745A0/en
Publication of ES8601883A1publicationCriticalpatent/ES8601883A1/en
1-Carboxyalkanoyl perhydro-indole 2-carboxylic acids of formula (I), in which R4 is H or lower alkyl, R5 is lower alkyl opt. substd. with phenyl opt. substd. with lower alkyl or alkoxy, CF3 or halogen, and t is 0 or 1, and their salts, amides or esters are made by reducing an indole or indoline deriv. of formula (II) with carbon in presence of rhodium.
Procedure for the preparation of new acids 4- (4 bifenilil) -4-hydroxy-butirrics, its esteres or lactonas. (Machine-translation by Google Translate, not legally binding)