GB1398873A - Manufacture of piperitenone and d,1-menthol - Google Patents

Manufacture of piperitenone and d,1-menthol

Info

Publication number
GB1398873A
GB1398873A GB3418972A GB3418972A GB1398873A GB 1398873 A GB1398873 A GB 1398873A GB 3418972 A GB3418972 A GB 3418972A GB 3418972 A GB3418972 A GB 3418972A GB 1398873 A GB1398873 A GB 1398873A
Authority
GB
United Kingdom
Prior art keywords
piperitenone
menthol
july
manufacture
fabrik
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
Application number
GB3418972A
Other languages
English (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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik AG
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
Priority claimed from DE19712136885 external-priority patent/DE2136885C3/de
Priority claimed from DE19722203807 external-priority patent/DE2203807C3/de
Application filed by BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB1398873A publication Critical patent/GB1398873A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/647Unsaturated compounds containing a keto groups being part of a ring having unsaturation outside the ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C35/00Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a ring other than a six-membered aromatic ring
    • C07C35/02Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a ring other than a six-membered aromatic ring monocyclic
    • C07C35/08Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a ring other than a six-membered aromatic ring monocyclic containing a six-membered rings
    • C07C35/12Menthol
    • 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
    • C07C45/72Preparation 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 of compounds containing >C = O groups with the same or other compounds containing >C = O groups
    • C07C45/74Preparation 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 of compounds containing >C = O groups with the same or other compounds containing >C = O groups combined with dehydration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Hydrogenated Pyridines (AREA)
GB3418972A 1971-07-23 1972-07-21 Manufacture of piperitenone and d,1-menthol Expired GB1398873A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712136885 DE2136885C3 (de) 1971-07-23 1971-07-23 Verfahren zur Herstellung von Piperitenon
DE19722203807 DE2203807C3 (de) 1972-01-27 1972-01-27 Verfahren zur Herstellung von D,L-Menthol

Publications (1)

Publication Number Publication Date
GB1398873A true GB1398873A (en) 1975-06-25

Family

ID=25761475

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3418972A Expired GB1398873A (en) 1971-07-23 1972-07-21 Manufacture of piperitenone and d,1-menthol

Country Status (5)

Country Link
US (1) US3870761A (enExample)
JP (1) JPS5747168B2 (enExample)
CH (1) CH575899A5 (enExample)
FR (1) FR2203798B1 (enExample)
GB (1) GB1398873A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134919A (en) * 1977-06-14 1979-01-16 Takasago Perfumery Co., Ltd. Process for producing menthone
US6342644B1 (en) * 2000-05-10 2002-01-29 Takasago International Corporation Method for producing 1-menthol
JP4795559B2 (ja) * 2000-05-10 2011-10-19 高砂香料工業株式会社 l−メントールの製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3238261A (en) * 1963-06-17 1966-03-01 Piperitenone process

Also Published As

Publication number Publication date
CH575899A5 (enExample) 1976-05-31
JPS5747168B2 (enExample) 1982-10-07
FR2203798A1 (enExample) 1974-05-17
US3870761A (en) 1975-03-11
FR2203798B1 (enExample) 1980-03-14
JPS4828456A (enExample) 1973-04-14

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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