ES435672A1 - Un procedimiento para la preparacion de compuestos de acido xantona-carboxilico sustituidos. - Google Patents

Un procedimiento para la preparacion de compuestos de acido xantona-carboxilico sustituidos.

Info

Publication number
ES435672A1
ES435672A1 ES435672A ES435672A ES435672A1 ES 435672 A1 ES435672 A1 ES 435672A1 ES 435672 A ES435672 A ES 435672A ES 435672 A ES435672 A ES 435672A ES 435672 A1 ES435672 A1 ES 435672A1
Authority
ES
Spain
Prior art keywords
carboxylic acid
procedure
lower alkyl
esters
preparation
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES435672A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roche Palo Alto LLC
Original Assignee
Roche Palo Alto LLC
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 Roche Palo Alto LLC filed Critical Roche Palo Alto LLC
Publication of ES435672A1 publication Critical patent/ES435672A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic 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
    • C07D311/78Ring systems having three or more relevant rings
    • C07D311/80Dibenzopyrans; Hydrogenated dibenzopyrans
    • C07D311/82Xanthenes
    • C07D311/84Xanthenes 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
    • C07D311/86Oxygen atoms, e.g. xanthones
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation 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
    • C07C45/67Preparation 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
    • C07C45/68Preparation 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
    • C07C45/70Preparation 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
    • C07C45/71Preparation 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
ES435672A 1971-07-14 1975-03-15 Un procedimiento para la preparacion de compuestos de acido xantona-carboxilico sustituidos. Expired ES435672A1 (es)

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
ES435672A1 true ES435672A1 (es) 1977-05-01

Family

ID=27388786

Family Applications (6)

Application Number Title Priority Date Filing Date
ES404786A Expired ES404786A1 (es) 1971-07-14 1972-07-12 Un procedimiento para la preparacion de compuestos de acidoxantonacarboxilico.
ES435671A Expired ES435671A1 (es) 1971-07-14 1975-03-15 Un procedimiento para la preparacion de compuestos de acido xantona-carboxilico sustituidos.
ES435669A Expired ES435669A1 (es) 1971-07-14 1975-03-15 Un procedimiento para la preparacion de compuestos de acido xantona-carboxilico sustituidos.
ES435672A Expired ES435672A1 (es) 1971-07-14 1975-03-15 Un procedimiento para la preparacion de compuestos de acido xantona-carboxilico sustituidos.
ES435670A Expired ES435670A1 (es) 1971-07-14 1975-03-15 Un procedimiento para la preparacion de compuestos de acido xantona-carboxilico sustituidos.
ES435673A Expired ES435673A1 (es) 1971-07-14 1975-03-15 Un procedimiento para la preparacion de compuestos de acido xantona-carboxilico sustituido.

Family Applications Before (3)

Application Number Title Priority Date Filing Date
ES404786A Expired ES404786A1 (es) 1971-07-14 1972-07-12 Un procedimiento para la preparacion de compuestos de acidoxantonacarboxilico.
ES435671A Expired ES435671A1 (es) 1971-07-14 1975-03-15 Un procedimiento para la preparacion de compuestos de acido xantona-carboxilico sustituidos.
ES435669A Expired ES435669A1 (es) 1971-07-14 1975-03-15 Un procedimiento para la preparacion de compuestos de acido xantona-carboxilico sustituidos.

Family Applications After (2)

Application Number Title Priority Date Filing Date
ES435670A Expired ES435670A1 (es) 1971-07-14 1975-03-15 Un procedimiento para la preparacion de compuestos de acido xantona-carboxilico sustituidos.
ES435673A Expired ES435673A1 (es) 1971-07-14 1975-03-15 Un procedimiento para la preparacion de compuestos de acido xantona-carboxilico sustituido.

Country Status (11)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4242267A (en) 1980-02-04 1980-12-30 Roussel Uclaf Process for preparing 5-alkyl-7-(S-alkyl-sulfonimidoyl)-xanthone-2-carboxylic acids
US4585876A (en) * 1982-11-25 1986-04-29 Ciba-Geigy Corporation Novel xanthones and thioxanthones

Also Published As

Publication number Publication date
AT326121B (de) 1975-11-25
ES435669A1 (es) 1977-05-01
ES404786A1 (es) 1976-01-01
AU4445672A (en) 1974-01-17
ES435671A1 (es) 1977-05-01
ATA599372A (de) 1975-02-15
FR2145654B1 (es) 1975-06-20
IL39890A (en) 1976-02-29
CH580093A5 (es) 1976-09-30
GB1386436A (en) 1975-03-05
BE786169A (fr) 1973-01-12
NL7209628A (es) 1973-01-16
DK141096C (es) 1980-07-14
DE2234256A1 (de) 1973-01-25
ES435673A1 (es) 1977-07-01
SE388421B (sv) 1976-10-04
ES435670A1 (es) 1977-05-01
DK141096B (da) 1980-01-14
FR2145654A1 (es) 1973-02-23

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