GB1415486A - Continuous process for the production of d,l-menthol - Google Patents

Continuous process for the production of d,l-menthol

Info

Publication number
GB1415486A
GB1415486A GB1234074A GB1234074A GB1415486A GB 1415486 A GB1415486 A GB 1415486A GB 1234074 A GB1234074 A GB 1234074A GB 1234074 A GB1234074 A GB 1234074A GB 1415486 A GB1415486 A GB 1415486A
Authority
GB
United Kingdom
Prior art keywords
menthol
production
march
manganese
continuous process
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
GB1234074A
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.)
Bayer AG
Original Assignee
Bayer 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
Application filed by Bayer AG filed Critical Bayer AG
Publication of GB1415486A publication Critical patent/GB1415486A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C35/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a ring other than a six-membered aromatic ring
    • C07C35/02—Compounds 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
    • C07C35/08—Compounds 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
    • C07C35/12—Menthol
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/889—Manganese, technetium or rhenium
    • B01J23/8892—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/16—Reducing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/16—Reducing
    • B01J37/18—Reducing with gases containing free hydrogen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GB1234074A 1973-03-24 1974-03-20 Continuous process for the production of d,l-menthol Expired GB1415486A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2314813A DE2314813C3 (de) 1973-03-24 1973-03-24 Kontinuierliches Verfahren zur Herstellung von dJ-Menthol

Publications (1)

Publication Number Publication Date
GB1415486A true GB1415486A (en) 1975-11-26

Family

ID=5875838

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1234074A Expired GB1415486A (en) 1973-03-24 1974-03-20 Continuous process for the production of d,l-menthol

Country Status (12)

Country Link
JP (1) JPS5541216B2 (fr)
BE (1) BE812697A (fr)
CA (1) CA1029748A (fr)
CH (2) CH601152A5 (fr)
DD (1) DD113345A5 (fr)
DE (1) DE2314813C3 (fr)
FR (1) FR2222343B1 (fr)
GB (1) GB1415486A (fr)
IT (1) IT1015868B (fr)
NL (1) NL7403847A (fr)
PL (1) PL90663B1 (fr)
SU (1) SU566520A3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5300706A (en) * 1992-03-17 1994-04-05 Bayer Aktiengesellschaft Process for the preparation of d,1-menthol
GB2343892A (en) * 1998-11-20 2000-05-24 Bayer Ag Preparation of d,l-menthol
CN112844389A (zh) * 2021-02-03 2021-05-28 合肥工业大学 用于合成d,l-薄荷醇的钴镍合金催化剂的制备方法、制得催化剂及其应用

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2506348C3 (de) * 1975-02-14 1980-07-17 Bayer Ag, 5090 Leverkusen Hydrierkatalysator
DE19518024A1 (de) * 1995-05-17 1996-11-21 Bayer Ag Verfahren zur Herstellung von d,l-Menthol
DE19518023A1 (de) * 1995-05-17 1996-11-21 Bayer Ag Verfahren zur Herstellung von d,l-Menthol aus d-Menthol
EP2409759A1 (fr) 2010-07-23 2012-01-25 LANXESS Deutschland GmbH Catalyseur d'isomérisation
EP2703376A1 (fr) 2012-08-31 2014-03-05 LANXESS Deutschland GmbH Procédé destiné à la fabrication de menthol
EP2703374A1 (fr) 2012-08-31 2014-03-05 LANXESS Deutschland GmbH Procédé destiné à la fabrication de menthol
CN104888794B (zh) * 2015-05-21 2017-05-24 浙江新和成股份有限公司 金属复合物催化剂、其制备方法以及在制备d,l‑薄荷醇中的应用

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3405185A (en) * 1961-10-04 1968-10-08 Universal Oil Prod Co Production of isomenthol isomers
NL6708813A (fr) * 1966-06-25 1967-12-27

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5300706A (en) * 1992-03-17 1994-04-05 Bayer Aktiengesellschaft Process for the preparation of d,1-menthol
GB2343892A (en) * 1998-11-20 2000-05-24 Bayer Ag Preparation of d,l-menthol
US6429344B1 (en) 1998-11-20 2002-08-06 Bayer Aktiengesellschaft Process for the preparation of d,I-menthol
GB2343892B (en) * 1998-11-20 2004-06-09 Bayer Ag Process for the preparation of d,l-menthol
CN112844389A (zh) * 2021-02-03 2021-05-28 合肥工业大学 用于合成d,l-薄荷醇的钴镍合金催化剂的制备方法、制得催化剂及其应用

Also Published As

Publication number Publication date
FR2222343B1 (fr) 1978-01-06
FR2222343A1 (fr) 1974-10-18
JPS49135946A (fr) 1974-12-27
DE2314813C3 (de) 1978-06-22
CA1029748A (fr) 1978-04-18
IT1015868B (it) 1977-05-20
BE812697A (fr) 1974-09-23
JPS5541216B2 (fr) 1980-10-22
DD113345A5 (fr) 1975-06-05
DE2314813B2 (de) 1977-10-20
CH601152A5 (fr) 1978-06-30
PL90663B1 (fr) 1977-01-31
CH590804A5 (fr) 1977-08-31
DE2314813A1 (de) 1974-09-26
SU566520A3 (ru) 1977-07-25
NL7403847A (fr) 1974-09-26

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee