FR2221433A1 - Hydroxy phenyl substd ketones - useful as flavourings and aromatising agents - Google Patents
Hydroxy phenyl substd ketones - useful as flavourings and aromatising agentsInfo
- Publication number
- FR2221433A1 FR2221433A1 FR7414027A FR7414027A FR2221433A1 FR 2221433 A1 FR2221433 A1 FR 2221433A1 FR 7414027 A FR7414027 A FR 7414027A FR 7414027 A FR7414027 A FR 7414027A FR 2221433 A1 FR2221433 A1 FR 2221433A1
- Authority
- FR
- France
- Prior art keywords
- ketones
- flavourings
- useful
- hydroxy phenyl
- phenyl substd
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/20—Unsaturated compounds containing keto groups bound to acyclic carbon atoms
- C07C49/24—Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing hydroxy groups
- C07C49/245—Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing hydroxy groups containing six-membered aromatic rings
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Hydroxyphenyl-substd. ketones (I) where R = alkyl, are made by hydrolysing cpds (II): where R" = alkyl. The cpds (II) are made by (a) reacting 4-hydroxybenzylalcohol in the presence of a base with a cpd RCOCH2COOR" (III) or (b) reacting phenol in the presence of an acid with a cpd.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4291972 | 1972-09-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2221433A1 true FR2221433A1 (en) | 1974-10-11 |
FR2221433B1 FR2221433B1 (en) | 1977-10-21 |
Family
ID=10426550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7414027A Granted FR2221433A1 (en) | 1972-09-15 | 1974-04-23 | Hydroxy phenyl substd ketones - useful as flavourings and aromatising agents |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2221433A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3116819A1 (en) | 2020-12-01 | 2022-06-03 | Rhodia Operations | Process for the preparation of frambinone |
FR3117486A1 (en) | 2020-12-14 | 2022-06-17 | Rhodia Operations | Process for the preparation of frambinone |
-
1974
- 1974-04-23 FR FR7414027A patent/FR2221433A1/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3116819A1 (en) | 2020-12-01 | 2022-06-03 | Rhodia Operations | Process for the preparation of frambinone |
WO2022117670A1 (en) | 2020-12-01 | 2022-06-09 | Rhodia Operations | Method for producing frambinone |
FR3117486A1 (en) | 2020-12-14 | 2022-06-17 | Rhodia Operations | Process for the preparation of frambinone |
WO2022129012A1 (en) | 2020-12-14 | 2022-06-23 | Rhodia Operations | Method for the preparation of frambinone |
Also Published As
Publication number | Publication date |
---|---|
FR2221433B1 (en) | 1977-10-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |