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Application filed by Chinoin Gyogyszer Es Vegyeszet, Zoltan Dr FoldifiledCriticalChinoin Gyogyszer Es Vegyeszet
Publication of CH247226ApublicationCriticalpatent/CH247226A/de
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
CH247226D1943-10-141943-10-14Verfahren zur Herstellung von Vitamin C.
CH247226A
(de)