Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst AG
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Filing date
Publication date
Application filed by Hoechst AG, Farbwerke Hoechst AGfiledCriticalHoechst AG
Priority to FR791936ApriorityCriticalpatent/FR75565E/fr
Application grantedgrantedCritical
Publication of FR75565EpublicationCriticalpatent/FR75565E/fr
C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom 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
C07D333/38—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR791936A1959-04-131959-04-13Procédé de préparation d'acides thiophène-carboxyliques et de leurs dérivés
ExpiredFR75565E
(fr)