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Novartis AG
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JR Geigy AG
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Application filed by JR Geigy AGfiledCriticalJR Geigy AG
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Publication of FR1170176ApublicationCriticalpatent/FR1170176A/fr
C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
C07D231/28—Two oxygen or sulfur atoms
C07D231/30—Two oxygen or sulfur atoms attached in positions 3 and 5
C07D231/32—Oxygen atoms
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Chemical & Material Sciences
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Organic Chemistry
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FR1170176D1955-09-161956-09-14Procédé de préparation de dérivés de la 3.5-dioxo-pyrazolidine
ExpiredFR1170176A
(fr)