NL7208906A - - Google Patents
Info
- Publication number
- NL7208906A NL7208906A NL7208906A NL7208906A NL7208906A NL 7208906 A NL7208906 A NL 7208906A NL 7208906 A NL7208906 A NL 7208906A NL 7208906 A NL7208906 A NL 7208906A NL 7208906 A NL7208906 A NL 7208906A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D317/46—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
- C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
- C07D317/50—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
- C07D317/54—Radicals substituted by oxygen atoms
-
- 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
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/29—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C46/00—Preparation of quinones
- C07C46/02—Preparation of quinones by oxidation giving rise to quinoid structures
- C07C46/06—Preparation of quinones by oxidation giving rise to quinoid structures of at least one hydroxy group on a six-membered aromatic ring
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Steroid Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Pyrane Compounds (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7124086A FR2144127A5 (en) | 1971-07-01 | 1971-07-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7208906A true NL7208906A (en) | 1973-01-03 |
Family
ID=9079664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7208906A NL7208906A (en) | 1971-07-01 | 1972-06-28 |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5734313B2 (en) |
CH (1) | CH554301A (en) |
DE (1) | DE2231677C2 (en) |
FR (1) | FR2144127A5 (en) |
GB (1) | GB1380976A (en) |
IT (1) | IT958529B (en) |
NL (1) | NL7208906A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5068367A (en) * | 1990-01-31 | 1991-11-26 | E. I. Du Pont De Nemours And Company | Tetracyano-1,4-hydroquinone and tetracyano-1, 4-benzoquinone |
-
1971
- 1971-07-01 FR FR7124086A patent/FR2144127A5/fr not_active Expired
-
1972
- 1972-06-12 CH CH871772A patent/CH554301A/en not_active IP Right Cessation
- 1972-06-26 IT IT5116372A patent/IT958529B/en active
- 1972-06-28 GB GB3020772A patent/GB1380976A/en not_active Expired
- 1972-06-28 DE DE19722231677 patent/DE2231677C2/en not_active Expired
- 1972-06-28 NL NL7208906A patent/NL7208906A/xx not_active Application Discontinuation
- 1972-06-30 JP JP6507172A patent/JPS5734313B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1380976A (en) | 1975-01-22 |
FR2144127A5 (en) | 1973-02-09 |
JPS4828384A (en) | 1973-04-14 |
JPS5734313B2 (en) | 1982-07-22 |
DE2231677A1 (en) | 1973-01-18 |
CH554301A (en) | 1974-09-30 |
IT958529B (en) | 1973-10-30 |
DE2231677C2 (en) | 1982-09-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
BV | The patent application has lapsed |