FR1282901A - Perfectionnements apportés aux procédés pour la préparation de dérivés du trifluorométhylthiaxanthène et du trifluorométhylxanthène
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Perfectionnements apportés aux procédés pour la préparation de dérivés du trifluorométhylthiaxanthène et du trifluorométhylxanthène
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Smith Kline and French Laboratories Ltd
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Smith Kline and French Laboratories Ltd
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Application filed by Smith Kline and French Laboratories LtdfiledCriticalSmith Kline and French Laboratories Ltd
Priority to FR854115ApriorityCriticalpatent/FR1282901A/fr
Application grantedgrantedCritical
Publication of FR1282901ApublicationCriticalpatent/FR1282901A/fr
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
C07D311/78—Ring systems having three or more relevant rings
C07D311/90—Xanthenes with hydrocarbon radicals, substituted by amino radicals, directly attached in position 9
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Chemical & Material Sciences
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Organic Chemistry
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FR854115A1961-02-281961-02-28Perfectionnements apportés aux procédés pour la préparation de dérivés du trifluorométhylthiaxanthène et du trifluorométhylxanthène
ExpiredFR1282901A
(fr)