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S Karpen and Bros
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S Karpen and Bros
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Publication of FR633262ApublicationCriticalpatent/FR633262A/fr
C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
C07D487/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains three hetero rings
C07D487/18—Bridged systems
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Chemical & Material Sciences
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Organic Chemistry
(AREA)
FR633262D1927-04-231927-04-23Procédé perfectionné pour la production d'hexaméthylènetétramine et de chlorure d'ammonium
ExpiredFR633262A
(fr)