FR2221433A1 - Hydroxy phenyl substd ketones - useful as flavourings and aromatising agents - Google Patents

Hydroxy phenyl substd ketones - useful as flavourings and aromatising agents

Info

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
Application number
FR7414027A
Other languages
French (fr)
Other versions
FR2221433B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of FR2221433A1 publication Critical patent/FR2221433A1/en
Application granted granted Critical
Publication of FR2221433B1 publication Critical patent/FR2221433B1/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/20Unsaturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/24Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing hydroxy groups
    • C07C49/245Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing hydroxy groups containing six-membered aromatic rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation 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
    • C07C45/67Preparation 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
    • C07C45/68Preparation 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
    • C07C45/70Preparation 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
    • C07C45/71Preparation 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.
FR7414027A 1972-09-15 1974-04-23 Hydroxy phenyl substd ketones - useful as flavourings and aromatising agents Granted FR2221433A1 (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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