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Chinoin Private Co Ltd
Original Assignee
Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Zrt
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Filing date
Publication date
Application filed by Chinoin Gyogyszer es Vegyeszeti Termekek Gyara ZrtfiledCriticalChinoin Gyogyszer es Vegyeszeti Termekek Gyara Zrt
Priority to ES480275ApriorityCriticalpatent/ES480275A1/en
Publication of ES480275A1publicationCriticalpatent/ES480275A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Saccharide Compounds
(AREA)
Abstract
Method for obtaining condensed purine derivatives of the general formula. ** formula ** and its acid addition salts, in which formula R is hydroxy, C1-4alkoxy or acyloxy and Q is sulfur or = N-R1 where R1 is hydrogen, C1-5 alkyl, aralkyl, or C2-4 acyl, characterized in that it comprises hydrogenolizing and/or hydrolyzing a compound of the general formula ** formula ** in which R2 is hydroxy or acyloxy, as indicated in the definition of R, and R3 is hydrogen, benzyl or acyl as indicated in the definition of R1, with the proviso that when R2 is hydroxyl, R3 cannot be hydrogen, in order to prepare a compound of the general formula X ** formula ** which falls within the scope of the compounds of the general formula I. (Machine-translation by Google Translate, not legally binding)
ES480275A1979-04-111979-04-11Method of obtaining purine condensed derivatives. (Machine-translation by Google Translate, not legally binding)
ExpiredES480275A1
(en)