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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Filing date
Publication date
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Priority to ES557255ApriorityCriticalpatent/ES8801504A1/en
Publication of ES557255A0publicationCriticalpatent/ES557255A0/en
Publication of ES8801504A1publicationCriticalpatent/ES8801504A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
The process comprises reaction of a compound of formula II: where the X4 transforms to hydroxy, through treatment with an acid or basic agent with an alcohol or by reduction. This gives a compound of formula I: where X4 is an esterified hydroxy, etc. R1 is a lower alkyl, R2 is a fluorinated lower alkyl alk is alkenyl or hydroxy alkenyl. - R3 to R7 can be various types of radicals, and the products have anti allergic action.
ES557255A1986-12-161986-12-16Prepn. of 2 fluoro:alkylated 4-acyl resorcin ether(s)
ExpiredES8801504A1
(en)
3',5'-ditertbutyl-4'-hydroxyflavones, method for their preparation and pharmaceutical compositions with an antioxidant and antivasoconstricting activity
COMPOUNDS DERIVED FROM SALICILIC ACID, COMPOSITIONS COMPRISING AT LEAST ONE OF THESE COMPOUNDS, USE OF COMPOUNDS DERIVED FROM SALICILIC ACID AND A PROCEDURE FOR COSMETIC TREATMENT OF SIGNS OF CUTANEOUS AGING