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Priority to AT573275ApriorityCriticalpatent/AT338780B/de
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Publication of AT338780BpublicationCriticalpatent/AT338780B/de
C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
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Chemical & Material Sciences
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Organic Chemistry
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
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AT573275A1975-07-241975-07-24Verfahren zur herstellung von neuen benzopyranderivaten und ihren salzen, estern und amiden
AT338780B
(de)