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RECH S BIOLOG LABOREC LAB DE
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RECH S BIOLOG LABOREC LAB DE
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Application filed by RECH S BIOLOG LABOREC LAB DEfiledCriticalRECH S BIOLOG LABOREC LAB DE
Priority to FR729185ApriorityCriticalpatent/FR1282508A/fr
Application grantedgrantedCritical
Publication of FR1282508ApublicationCriticalpatent/FR1282508A/fr
C07D473/00—Heterocyclic compounds containing purine ring systems
C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
C07D473/08—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1 and 3, e.g. theophylline
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Chemical & Material Sciences
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Organic Chemistry
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FR729185A1957-01-091957-01-09Nouveaux dérivés de substitution de la théophylline et leur procédé de préparation
ExpiredFR1282508A
(fr)