SE388421B - METHOD OF MAKING XANTON-2-CARBONIC ACID COMPOUNDS - Google Patents

METHOD OF MAKING XANTON-2-CARBONIC ACID COMPOUNDS

Info

Publication number
SE388421B
SE388421B SE919672A SE919672A SE388421B SE 388421 B SE388421 B SE 388421B SE 919672 A SE919672 A SE 919672A SE 919672 A SE919672 A SE 919672A SE 388421 B SE388421 B SE 388421B
Authority
SE
Sweden
Prior art keywords
xanton
making
carbonic acid
acid compounds
compounds
Prior art date
Application number
SE919672A
Other languages
Swedish (sv)
Inventor
J R Pfister
I T Harrison
J H Fried
Original Assignee
Syntex Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US217383A external-priority patent/US3873714A/en
Priority claimed from US00259853A external-priority patent/US3818042A/en
Application filed by Syntex Corp filed Critical Syntex Corp
Publication of SE388421B publication Critical patent/SE388421B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/78—Ring systems having three or more relevant rings
    • C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans
    • C07D311/82—Xanthenes
    • C07D311/84—Xanthenes 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 in position 9
    • C07D311/86—Oxygen atoms, e.g. xanthones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/70—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form
    • C07C45/71—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form being hydroxy groups
SE919672A 1971-07-14 1972-07-12 METHOD OF MAKING XANTON-2-CARBONIC ACID COMPOUNDS SE388421B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16269671A 1971-07-14 1971-07-14
US217383A US3873714A (en) 1971-07-14 1972-01-12 Xanthone carboxylic acids and derivatives
US00259853A US3818042A (en) 1972-01-12 1972-06-05 Xanthone carboxylic acids and derivatives

Publications (1)

Publication Number Publication Date
SE388421B true SE388421B (en) 1976-10-04

Family

ID=27388786

Family Applications (1)

Application Number Title Priority Date Filing Date
SE919672A SE388421B (en) 1971-07-14 1972-07-12 METHOD OF MAKING XANTON-2-CARBONIC ACID COMPOUNDS

Country Status (11)

Country Link
AT (1) AT326121B (en)
BE (1) BE786169A (en)
CH (1) CH580093A5 (en)
DE (1) DE2234256A1 (en)
DK (1) DK141096B (en)
ES (6) ES404786A1 (en)
FR (1) FR2145654B1 (en)
GB (1) GB1386436A (en)
IL (1) IL39890A (en)
NL (1) NL7209628A (en)
SE (1) SE388421B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4585876A (en) * 1982-11-25 1986-04-29 Ciba-Geigy Corporation Novel xanthones and thioxanthones

Also Published As

Publication number Publication date
ATA599372A (en) 1975-02-15
AU4445672A (en) 1974-01-17
AT326121B (en) 1975-11-25
NL7209628A (en) 1973-01-16
IL39890A (en) 1976-02-29
ES435672A1 (en) 1977-05-01
ES435670A1 (en) 1977-05-01
FR2145654A1 (en) 1973-02-23
DK141096C (en) 1980-07-14
ES404786A1 (en) 1976-01-01
DE2234256A1 (en) 1973-01-25
GB1386436A (en) 1975-03-05
BE786169A (en) 1973-01-12
ES435673A1 (en) 1977-07-01
DK141096B (en) 1980-01-14
ES435669A1 (en) 1977-05-01
CH580093A5 (en) 1976-09-30
ES435671A1 (en) 1977-05-01
FR2145654B1 (en) 1975-06-20

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