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Priority claimed from CH938464Aexternal-prioritypatent/CH447176A/en
Application filed by Sandoz AgfiledCriticalSandoz Ag
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Publication of DK107872CpublicationCriticalpatent/DK107872C/en
C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
C07D471/10—Spiro-condensed systems
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Chemical & Material Sciences
(AREA)
Organic Chemistry
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
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Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members
(AREA)
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
DK368165AA1964-07-171965-07-16
Process for the preparation of phentiazine derivatives or acid addition salts thereof.
DK107872C
(en)