Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ديجوسا اكتينجلسلشافتfiledCriticalديجوسا اكتينجلسلشافت
Priority to JO1978921ApriorityCriticalpatent/JO921B1/en
Application grantedgrantedCritical
Publication of JO921B1publicationCriticalpatent/JO921B1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Abstract of US 4150227 (A) Basic substituted alkyl theophylline derivatives of the formula (I) in which Alk is a straight or branched chain alkylene group with 2 to 4 carbon atoms and R is hydrogen or a methyl group are produced by catalytic hydrogenation of compounds of the formula (II) where the phenolic hydroxyl groups and/or the secondary basic nitrogen atom can contain protective groups using as the solvent a compound of the formula (III) where R', R'' and R''' are the same or different and are alkyl groups of 1 to 2 carbon atoms and R' together with R''' can also be an alkylene bridge with 3 to 4 carbon atoms and in a given case the protective groups present are split off.
JO1978921A1978-02-061978-02-06Process for the production of basic substituted alkyl theophylline
JO921B1
(en)