NL187204C - Werkwijze ter bereiding van 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadienon-1. - Google Patents
Werkwijze ter bereiding van 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadienon-1.Info
- Publication number
- NL187204C NL187204C NLAANVRAGE7711657,A NL7711657A NL187204C NL 187204 C NL187204 C NL 187204C NL 7711657 A NL7711657 A NL 7711657A NL 187204 C NL187204 C NL 187204C
- Authority
- NL
- Netherlands
- Prior art keywords
- cyclohexadienone
- trimethyl
- hydroxy
- preparing
- Prior art date
Links
Classifications
-
- 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
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/37—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
- C07C45/39—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups being a secondary hydroxyl group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7633025A FR2368458A1 (fr) | 1976-10-25 | 1976-10-25 | Procede de preparation d'hydroxy-4 alcoyl-4 cyclohexadiene-2,5 one-1 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7711657A NL7711657A (nl) | 1978-04-27 |
| NL187204B NL187204B (nl) | 1991-02-01 |
| NL187204C true NL187204C (nl) | 1991-07-01 |
Family
ID=9179461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7711657,A NL187204C (nl) | 1976-10-25 | 1977-10-24 | Werkwijze ter bereiding van 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadienon-1. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4164516A (nl) |
| BE (1) | BE860084A (nl) |
| CA (1) | CA1108186A (nl) |
| CH (1) | CH624657A5 (nl) |
| DE (1) | DE2747497A1 (nl) |
| FR (1) | FR2368458A1 (nl) |
| GB (1) | GB1563045A (nl) |
| IT (1) | IT1087124B (nl) |
| NL (1) | NL187204C (nl) |
| SU (1) | SU890972A3 (nl) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1151184B (it) * | 1982-05-20 | 1986-12-17 | Anic Spa | Procedimento per la sintesi di 2,4,6 trimetil-4 idrossicicloesa-2,5 dien-1 one |
| CN102381950B (zh) * | 2011-09-05 | 2014-11-05 | 浙江新和成股份有限公司 | 一种催化氧化制备香兰素的方法 |
| US20230416178A1 (en) | 2020-11-09 | 2023-12-28 | Dsm Ip Assets B.V. | Formation of p-alkylphenols based on intermolecular reaction of ethyne with 2-alkylfurans in the presence of gold(i) complexes |
| WO2024180228A1 (en) | 2023-03-01 | 2024-09-06 | Dsm Ip Assets B.V. | Manufacturing 2,3,5-trimethylhydroquinone from a mixture of mesitol and 2,3,6-trimethylphenol |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3966818A (en) * | 1972-03-25 | 1976-06-29 | Teijin Limited | Novel process for preparation of 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadiene-1-one |
| JPS4897847A (nl) * | 1972-03-25 | 1973-12-13 | ||
| JPS4949927A (nl) * | 1972-09-18 | 1974-05-15 | ||
| JPS49134655A (nl) * | 1973-05-07 | 1974-12-25 | ||
| FR2303785A1 (fr) * | 1975-03-11 | 1976-10-08 | Rhone Poulenc Ind | Procede d'oxydation de cetones b-ethyleniques |
-
1976
- 1976-10-25 FR FR7633025A patent/FR2368458A1/fr active Granted
-
1977
- 1977-10-17 US US05/843,075 patent/US4164516A/en not_active Expired - Lifetime
- 1977-10-20 CA CA289,154A patent/CA1108186A/fr not_active Expired
- 1977-10-22 DE DE19772747497 patent/DE2747497A1/de active Granted
- 1977-10-24 CH CH1292777A patent/CH624657A5/fr not_active IP Right Cessation
- 1977-10-24 NL NLAANVRAGE7711657,A patent/NL187204C/nl not_active IP Right Cessation
- 1977-10-24 GB GB44217/77A patent/GB1563045A/en not_active Expired
- 1977-10-24 SU SU772531601A patent/SU890972A3/ru active
- 1977-10-25 BE BE182036A patent/BE860084A/xx not_active IP Right Cessation
- 1977-10-25 IT IT28975/77A patent/IT1087124B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| NL7711657A (nl) | 1978-04-27 |
| US4164516A (en) | 1979-08-14 |
| NL187204B (nl) | 1991-02-01 |
| CH624657A5 (nl) | 1981-08-14 |
| DE2747497A1 (de) | 1978-04-27 |
| FR2368458B1 (nl) | 1980-09-19 |
| FR2368458A1 (fr) | 1978-05-19 |
| IT1087124B (it) | 1985-05-31 |
| BE860084A (fr) | 1978-04-25 |
| SU890972A3 (ru) | 1981-12-15 |
| CA1108186A (fr) | 1981-09-01 |
| DE2747497C2 (nl) | 1988-03-17 |
| GB1563045A (en) | 1980-03-19 |
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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 | ||
| A85 | Still pending on 85-01-01 | ||
| V1 | Lapsed because of non-payment of the annual fee |