NL7209628A - - Google Patents
Info
- Publication number
- NL7209628A NL7209628A NL7209628A NL7209628A NL7209628A NL 7209628 A NL7209628 A NL 7209628A NL 7209628 A NL7209628 A NL 7209628A NL 7209628 A NL7209628 A NL 7209628A NL 7209628 A NL7209628 A NL 7209628A
- Authority
- NL
- Netherlands
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Plural Heterocyclic Compounds (AREA)
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 |
|---|---|
| NL7209628A true NL7209628A (xx) | 1973-01-16 |
Family
ID=27388786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7209628A NL7209628A (xx) | 1971-07-14 | 1972-07-12 |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT326121B (xx) |
| BE (1) | BE786169A (xx) |
| CH (1) | CH580093A5 (xx) |
| DE (1) | DE2234256A1 (xx) |
| DK (1) | DK141096B (xx) |
| ES (6) | ES404786A1 (xx) |
| FR (1) | FR2145654B1 (xx) |
| GB (1) | GB1386436A (xx) |
| IL (1) | IL39890A (xx) |
| NL (1) | NL7209628A (xx) |
| SE (1) | SE388421B (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4585876A (en) * | 1982-11-25 | 1986-04-29 | Ciba-Geigy Corporation | Novel xanthones and thioxanthones |
-
0
- BE BE786169D patent/BE786169A/xx unknown
-
1972
- 1972-07-12 DK DK347772A patent/DK141096B/da unknown
- 1972-07-12 DE DE19722234256 patent/DE2234256A1/de active Pending
- 1972-07-12 GB GB3253372A patent/GB1386436A/en not_active Expired
- 1972-07-12 FR FR7225353A patent/FR2145654B1/fr not_active Expired
- 1972-07-12 AT AT599372A patent/AT326121B/de not_active IP Right Cessation
- 1972-07-12 ES ES404786A patent/ES404786A1/es not_active Expired
- 1972-07-12 SE SE919672A patent/SE388421B/xx unknown
- 1972-07-12 CH CH1045672A patent/CH580093A5/xx not_active IP Right Cessation
- 1972-07-12 NL NL7209628A patent/NL7209628A/xx unknown
- 1972-07-12 IL IL3989072A patent/IL39890A/en unknown
-
1975
- 1975-03-15 ES ES435669A patent/ES435669A1/es not_active Expired
- 1975-03-15 ES ES435673A patent/ES435673A1/es not_active Expired
- 1975-03-15 ES ES435671A patent/ES435671A1/es not_active Expired
- 1975-03-15 ES ES435672A patent/ES435672A1/es not_active Expired
- 1975-03-15 ES ES435670A patent/ES435670A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES404786A1 (es) | 1976-01-01 |
| ATA599372A (de) | 1975-02-15 |
| DK141096C (xx) | 1980-07-14 |
| ES435673A1 (es) | 1977-07-01 |
| AT326121B (de) | 1975-11-25 |
| DK141096B (da) | 1980-01-14 |
| DE2234256A1 (de) | 1973-01-25 |
| IL39890A (en) | 1976-02-29 |
| FR2145654B1 (xx) | 1975-06-20 |
| AU4445672A (en) | 1974-01-17 |
| ES435669A1 (es) | 1977-05-01 |
| FR2145654A1 (xx) | 1973-02-23 |
| CH580093A5 (xx) | 1976-09-30 |
| GB1386436A (en) | 1975-03-05 |
| ES435671A1 (es) | 1977-05-01 |
| SE388421B (sv) | 1976-10-04 |
| BE786169A (fr) | 1973-01-12 |
| ES435672A1 (es) | 1977-05-01 |
| ES435670A1 (es) | 1977-05-01 |