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GD Searle LLC
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GD Searle LLC
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Application filed by GD Searle LLCfiledCriticalGD Searle LLC
Application grantedgrantedCritical
Publication of FR1027961ApublicationCriticalpatent/FR1027961A/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
(AREA)
FR1027961D1949-07-021950-06-27Perfectionnements au procédé de préparation d'un sel formé par la 8-haloxanthineet une base organique
ExpiredFR1027961A
(fr)