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Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
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Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
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Application filed by Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNOfiledCriticalNederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
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Publication of FR888684ApublicationCriticalpatent/FR888684A/fr
C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom 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
C07D307/62—Three oxygen atoms, e.g. ascorbic acid
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR888684D1941-12-011942-12-01Procédé de préparation de l'acide ascorbique
ExpiredFR888684A
(fr)