GB1444967A - Pyrocatechol ethers - Google Patents
Pyrocatechol ethersInfo
- Publication number
- GB1444967A GB1444967A GB4940373A GB4940373A GB1444967A GB 1444967 A GB1444967 A GB 1444967A GB 4940373 A GB4940373 A GB 4940373A GB 4940373 A GB4940373 A GB 4940373A GB 1444967 A GB1444967 A GB 1444967A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pyrocatechol
- formula
- lower alkyl
- compounds
- oct
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D309/08—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no 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
- C07D309/10—Oxygen atoms
- C07D309/12—Oxygen atoms only hydrogen atoms and one oxygen atom directly attached to ring carbon atoms, e.g. tetrahydropyranyl ethers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrane Compounds (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2252198A DE2252198C2 (de) | 1972-10-25 | 1972-10-25 | Brenzkatechinäther und Verfahren zu ihrer Herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1444967A true GB1444967A (en) | 1976-08-04 |
Family
ID=5859959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4940373A Expired GB1444967A (en) | 1972-10-25 | 1973-10-24 | Pyrocatechol ethers |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS5747653B2 (de) |
BE (1) | BE806132A (de) |
CA (1) | CA1036612A (de) |
CH (1) | CH589581A5 (de) |
CS (1) | CS196248B2 (de) |
DD (1) | DD107251A5 (de) |
DE (1) | DE2252198C2 (de) |
FR (1) | FR2204604B1 (de) |
GB (1) | GB1444967A (de) |
IL (1) | IL43480A (de) |
IT (1) | IT1008584B (de) |
NL (1) | NL7314701A (de) |
SU (1) | SU629871A3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114230446A (zh) * | 2022-01-17 | 2022-03-25 | 山东泓瑞医药科技股份公司 | 一种藜芦醚的制备方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4163112A (en) * | 1977-04-04 | 1979-07-31 | Velsicol Chemical Corporation | O-alkoxy- and alkylthiophenyl carbamates |
GR74976B (de) * | 1980-08-13 | 1984-07-12 | Interx Research Corp |
-
1972
- 1972-10-25 DE DE2252198A patent/DE2252198C2/de not_active Expired
-
1973
- 1973-10-01 DD DD173804A patent/DD107251A5/xx unknown
- 1973-10-16 BE BE136737A patent/BE806132A/xx not_active IP Right Cessation
- 1973-10-17 CA CA183,560A patent/CA1036612A/en not_active Expired
- 1973-10-19 JP JP48117013A patent/JPS5747653B2/ja not_active Expired
- 1973-10-24 SU SU731965924A patent/SU629871A3/ru active
- 1973-10-24 CS CS737335A patent/CS196248B2/cs unknown
- 1973-10-24 CH CH1498573A patent/CH589581A5/xx not_active IP Right Cessation
- 1973-10-24 IT IT53328/73A patent/IT1008584B/it active
- 1973-10-24 GB GB4940373A patent/GB1444967A/en not_active Expired
- 1973-10-25 NL NL7314701A patent/NL7314701A/xx not_active Application Discontinuation
- 1973-10-25 IL IL43480A patent/IL43480A/en unknown
- 1973-10-25 FR FR7338131A patent/FR2204604B1/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114230446A (zh) * | 2022-01-17 | 2022-03-25 | 山东泓瑞医药科技股份公司 | 一种藜芦醚的制备方法 |
CN114230446B (zh) * | 2022-01-17 | 2022-12-20 | 山东泓瑞医药科技股份公司 | 一种藜芦醚的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
SU629871A3 (ru) | 1978-10-25 |
CS196248B2 (en) | 1980-03-31 |
CA1036612A (en) | 1978-08-15 |
FR2204604B1 (de) | 1978-09-08 |
AU6151773A (en) | 1975-04-17 |
FR2204604A1 (de) | 1974-05-24 |
JPS5747653B2 (de) | 1982-10-12 |
DE2252198A1 (de) | 1974-05-09 |
IL43480A0 (en) | 1974-01-14 |
CH589581A5 (de) | 1977-07-15 |
IL43480A (en) | 1977-06-30 |
JPS4972222A (de) | 1974-07-12 |
NL7314701A (de) | 1974-04-29 |
BE806132A (fr) | 1974-04-16 |
DD107251A5 (de) | 1974-07-20 |
DE2252198C2 (de) | 1981-11-26 |
IT1008584B (it) | 1976-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |