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Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
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Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
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Application filed by Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAUfiledCriticalSociete dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Priority to FR981727ApriorityCriticalpatent/FR1409375A/fr
Application grantedgrantedCritical
Publication of FR1409375ApublicationCriticalpatent/FR1409375A/fr
C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
C07D493/10—Spiro-condensed systems
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR981727A1964-07-151964-07-15Nouveaux composés hétérocycliques et procédé de préparation
ExpiredFR1409375A
(fr)