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Priority to US258687ApriorityCriticalpatent/US3914221A/en
Priority to US05/542,329prioritypatent/US3956290A/en
Publication of USB258687I5publicationCriticalpatent/USB258687I5/en
Application grantedgrantedCritical
Publication of US3914221ApublicationCriticalpatent/US3914221A/en
C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
C07F9/02—Phosphorus compounds
C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
C07F9/6536—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having nitrogen and sulfur atoms with or without oxygen atoms, as the only ring hetero atoms
C07F9/6544—Six-membered rings
C07F9/6547—Six-membered rings condensed with carbocyclic rings or carbocyclic ring systems