ES366537A1 - Procedure for the preparation of new substitute phenylacetic acids. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of new substitute phenylacetic acids. (Machine-translation by Google Translate, not legally binding)
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
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JR Geigy AG
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Priority to ES366537ApriorityCriticalpatent/ES366537A1/en
Publication of ES366537A1publicationCriticalpatent/ES366537A1/en
Procedure for the preparation of new substituted phenylacetic acid esters corresponding to the general formula I. **(See formula)** in which R1 means hydrogen, the methyl or ethyl group, R2 means hydrogen or a halogen atom up to atomic number 35, R3 and R4 signify, independently of each other, alkyl groups with at most 4 carbon atoms, or together with the neighboring nitrogen atom, a polymethyleneimine group with 5-7 ring members or the morpholinic group and A signifies an alkylene group with 2-3 carbon atoms and at least two chain members between O and N, and its acid addition salts, characterized in that a compound of the general formula II, or one of its salts **(See formula)** in which R1 and R2 have the same meaning indicated above, it is reacted with an ester capable of reacting a basic alcohol of the general formula III, **(See formula)** in which R3, R4 and A have the significance indicated above, and if desired an acid addition salt obtained from a base of the general formula I is transformed into the free base or another addition salt, or a obtained free base is transformed in an addition salt with an inorganic or organic acid. (Machine-translation by Google Translate, not legally binding)
ES366537A1969-04-281969-04-28Procedure for the preparation of new substitute phenylacetic acids. (Machine-translation by Google Translate, not legally binding)
ExpiredES366537A1
(en)
Derivatives of 5-hydroxy-2,3-dihydro-1h-dibenzo(2,3:6,7)thiepino and oxepino-(4,5-c)pyrrole methods for their preparation and compositions containing them