IL39225A - Process for the manufacture of methyl substituted p-benzoquinones - Google Patents
Process for the manufacture of methyl substituted p-benzoquinonesInfo
- Publication number
- IL39225A IL39225A IL39225A IL3922572A IL39225A IL 39225 A IL39225 A IL 39225A IL 39225 A IL39225 A IL 39225A IL 3922572 A IL3922572 A IL 3922572A IL 39225 A IL39225 A IL 39225A
- Authority
- IL
- Israel
- Prior art keywords
- benzoquinones
- manufacture
- methyl substituted
- substituted
- methyl
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C50/00—Quinones
- C07C50/02—Quinones with monocyclic quinoid structure
-
- 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
- C07C46/08—Preparation of quinones by oxidation giving rise to quinoid structures of at least one hydroxy group on a six-membered aromatic ring with molecular oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH722871A CH566280A5 (en) | 1971-05-17 | 1971-05-17 | Methyl-substd quinones prepn - by oxidn of phenols with oxygen in the presence of copper and halide ions |
CH1843471 | 1971-12-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
IL39225A0 IL39225A0 (en) | 1972-06-28 |
IL39225A true IL39225A (en) | 1975-07-28 |
Family
ID=25700988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL39225A IL39225A (en) | 1971-05-17 | 1972-04-14 | Process for the manufacture of methyl substituted p-benzoquinones |
Country Status (17)
Country | Link |
---|---|
US (1) | US3796732A (ja) |
JP (1) | JPS5317585B1 (ja) |
BE (1) | BE783512A (ja) |
CA (1) | CA961498A (ja) |
CS (1) | CS161656B2 (ja) |
DD (1) | DD98906A5 (ja) |
DE (1) | DE2221624C3 (ja) |
DK (1) | DK134316B (ja) |
FR (1) | FR2138030B1 (ja) |
GB (1) | GB1364796A (ja) |
HU (1) | HU163555B (ja) |
IE (1) | IE36360B1 (ja) |
IL (1) | IL39225A (ja) |
NL (1) | NL159083B (ja) |
PL (1) | PL88994B1 (ja) |
RO (1) | RO68938A (ja) |
SE (1) | SE396070B (ja) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA967976A (en) * | 1972-06-27 | 1975-05-20 | Tetuo Miyazaki | Process for producing trimethyl-p-benzoquinone |
US3870731A (en) * | 1973-09-28 | 1975-03-11 | Goodyear Tire & Rubber | Oxidation of phenols and alkyl substituted phenols to their corresponding para-benzoquinone |
US3859317A (en) * | 1973-09-28 | 1975-01-07 | Goodyear Tire & Rubber | Process of preparing p-benzoquinone |
GB1455753A (en) * | 1974-01-08 | 1976-11-17 | Shell Int Research | Process for de preparation of p-quinones |
US3933681A (en) * | 1974-03-13 | 1976-01-20 | The Goodyear Tire & Rubber Company | Activation of copper salt phenol oxidation catalysts |
US3987068A (en) * | 1975-07-28 | 1976-10-19 | E. I. Du Pont De Nemours And Company | Oxidation of monohydroxy aryl compounds to 1,4-quinones |
FR2401896A1 (fr) * | 1977-09-05 | 1979-03-30 | Rhone Poulenc Ind | Procede de preparation de para-benzoquinone |
FR2449667A1 (fr) * | 1979-02-21 | 1980-09-19 | Rhone Poulenc Ind | Procede de preparation de para-benzoquinones |
JPS56108733A (en) * | 1980-01-31 | 1981-08-28 | Konishiroku Photo Ind Co Ltd | Preparation of p-and o-benzoquinone derivative and its preparation |
DE3161197D1 (en) * | 1980-03-11 | 1983-11-24 | Hoffmann La Roche | Process for the preparation of trimethyl benzoquinone |
JPS56140946A (en) * | 1980-03-11 | 1981-11-04 | Hoffmann La Roche | Manufacture of 2,3,5-trimethylbenzoquinone |
DE3215095A1 (de) * | 1982-04-23 | 1983-10-27 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von 2,3,5-trimethyl-l-p-benzochinon |
US4522757A (en) * | 1982-10-25 | 1985-06-11 | Sun Tech, Inc. | Process for oxidizing a phenol to a p-benzoquinone |
US4545937A (en) * | 1983-04-18 | 1985-10-08 | University Of Delaware | Binucleating ligand-metal complexes as oxidation catalysts |
JPS59225137A (ja) * | 1983-06-06 | 1984-12-18 | Mitsubishi Gas Chem Co Inc | 2,3,5−トリメチルベンゾキノンの製造方法 |
US4828762A (en) * | 1983-06-06 | 1989-05-09 | Mitsubishi Gas Chemical Company, Inc. | Process for the production of 2,3,5-trimethylbenzoquinone |
JPS63280040A (ja) * | 1987-05-13 | 1988-11-17 | Eisai Co Ltd | 2,3,5−トリメチルベンゾキノンの製造方法 |
DE3908768A1 (de) * | 1989-03-17 | 1990-09-20 | Basf Ag | Verfahren zur herstellung von 2,3,5-trimethyl-p-benzochinon |
US5075463A (en) * | 1990-10-05 | 1991-12-24 | Eastman Kodak Company | Preparation of quinones |
US5075462A (en) * | 1990-10-05 | 1991-12-24 | Eastman Kodak Company | Process for the preparation of quinones |
DE19846003A1 (de) * | 1998-10-06 | 2000-04-13 | Basf Ag | Verfahren zur Reinigung und Isolierung von 2,3,5-Trimethyl-p-benzochinon |
US7045666B2 (en) * | 2003-01-16 | 2006-05-16 | General Electric Company | Bromination of hydroxyaromatic compounds and further conversion to dihydroxyaromatic compounds |
US6815565B2 (en) * | 2003-04-04 | 2004-11-09 | General Electric Company | Method for preparing hydroquinones and dihydroxybiphenyl compounds from mixtures of bromophenols and benzoquinones |
US6693221B1 (en) * | 2003-04-04 | 2004-02-17 | General Electric Company | Method of preparing mixtures of bromophenols and benzoquinones |
CN101781179B (zh) * | 2009-01-20 | 2014-01-29 | 凯惠药业(上海)有限公司 | 一种1,2-萘醌类化合物的制备方法 |
CA2916886A1 (en) | 2013-07-02 | 2015-01-08 | Basf Se | Process for the preparation of 3-heptanol from a mixture comprising 2-ethylhexanal and 3-heptyl formate |
BR112015032836B1 (pt) | 2013-07-02 | 2021-02-02 | Basf Se | processo para preparar um composto, e, uso de um composto |
WO2015169898A1 (en) * | 2014-05-09 | 2015-11-12 | Dsm Ip Assets B.V. | Process for the production of 2,6-dimethylbenzoquinone |
EP4077259B1 (en) | 2019-12-19 | 2024-01-31 | DSM IP Assets B.V. | Formation of 2,3,5-trimethylhydroquinone from 2,3,6-trimethylphenol |
-
1972
- 1972-04-14 IL IL39225A patent/IL39225A/xx unknown
- 1972-04-18 CS CS2615A patent/CS161656B2/cs unknown
- 1972-04-24 NL NL7205525.A patent/NL159083B/xx not_active IP Right Cessation
- 1972-05-03 DE DE2221624A patent/DE2221624C3/de not_active Expired
- 1972-05-08 DD DD162800A patent/DD98906A5/xx unknown
- 1972-05-08 US US00250886A patent/US3796732A/en not_active Expired - Lifetime
- 1972-05-12 IE IE637/72A patent/IE36360B1/xx unknown
- 1972-05-15 SE SE7206333A patent/SE396070B/xx unknown
- 1972-05-16 BE BE783512A patent/BE783512A/xx not_active IP Right Cessation
- 1972-05-16 CA CA142,244A patent/CA961498A/en not_active Expired
- 1972-05-16 HU HUHO1483A patent/HU163555B/hu unknown
- 1972-05-16 DK DK244372AA patent/DK134316B/da not_active IP Right Cessation
- 1972-05-16 JP JP4778372A patent/JPS5317585B1/ja active Pending
- 1972-05-17 FR FR727217643A patent/FR2138030B1/fr not_active Expired
- 1972-05-17 GB GB2311972A patent/GB1364796A/en not_active Expired
- 1972-05-17 PL PL1972155443A patent/PL88994B1/pl unknown
-
1976
- 1976-05-11 RO RO7670857A patent/RO68938A/ro unknown
Also Published As
Publication number | Publication date |
---|---|
SE396070B (sv) | 1977-09-05 |
JPS5317585B1 (ja) | 1978-06-09 |
HU163555B (ja) | 1973-09-27 |
IL39225A0 (en) | 1972-06-28 |
IE36360L (en) | 1972-11-17 |
DE2221624B2 (de) | 1979-05-23 |
CS161656B2 (ja) | 1975-06-10 |
IE36360B1 (en) | 1976-10-13 |
GB1364796A (en) | 1974-08-29 |
US3796732A (en) | 1974-03-12 |
PL88994B1 (en) | 1976-10-30 |
DE2221624A1 (de) | 1972-11-30 |
DE2221624C3 (de) | 1980-01-17 |
NL159083B (nl) | 1979-01-15 |
DK134316C (ja) | 1977-03-14 |
NL7205525A (ja) | 1972-11-21 |
FR2138030A1 (ja) | 1972-12-29 |
BE783512A (fr) | 1972-11-16 |
CA961498A (en) | 1975-01-21 |
FR2138030B1 (ja) | 1974-07-05 |
DD98906A5 (ja) | 1973-07-12 |
DK134316B (da) | 1976-10-18 |
RO68938A (ro) | 1982-02-01 |
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