NL7411403A - ISOMERIZATION. - Google Patents

ISOMERIZATION.

Info

Publication number
NL7411403A
NL7411403A NL7411403A NL7411403A NL7411403A NL 7411403 A NL7411403 A NL 7411403A NL 7411403 A NL7411403 A NL 7411403A NL 7411403 A NL7411403 A NL 7411403A NL 7411403 A NL7411403 A NL 7411403A
Authority
NL
Netherlands
Prior art keywords
isomerization
Prior art date
Application number
NL7411403A
Other languages
Dutch (nl)
Other versions
NL161141C (en
NL161141B (en
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of NL7411403A publication Critical patent/NL7411403A/en
Publication of NL161141B publication Critical patent/NL161141B/en
Application granted granted Critical
Publication of NL161141C publication Critical patent/NL161141C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C403/00—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone
    • C07C403/24—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by six-membered non-aromatic rings, e.g. beta-carotene
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/16—Systems containing only non-condensed rings with a six-membered ring the ring being unsaturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
NL7411403.A 1973-08-29 1974-08-27 PROCESS FOR CONVERTING A CIS ISOMER FROM A CAROTENOID TO AN AL-TRANS ISOMER FROM THIS CAROTENOID. NL161141C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39259773A 1973-08-29 1973-08-29

Publications (3)

Publication Number Publication Date
NL7411403A true NL7411403A (en) 1975-03-04
NL161141B NL161141B (en) 1979-08-15
NL161141C NL161141C (en) 1980-01-15

Family

ID=23551250

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7411403.A NL161141C (en) 1973-08-29 1974-08-27 PROCESS FOR CONVERTING A CIS ISOMER FROM A CAROTENOID TO AN AL-TRANS ISOMER FROM THIS CAROTENOID.

Country Status (9)

Country Link
JP (1) JPS5428859B2 (en)
AT (1) AT346504B (en)
BE (1) BE819259A (en)
CH (1) CH597112A5 (en)
DE (1) DE2440747C3 (en)
FR (1) FR2242381B1 (en)
GB (1) GB1427690A (en)
IT (1) IT1027535B (en)
NL (1) NL161141C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19637517A1 (en) * 1996-09-13 1998-03-19 Basf Ag Production of powdered, cold water dispersible carotenoid preparations and the use of the new carotenoid preparations
WO2003066547A2 (en) 2002-02-06 2003-08-14 University Of Maryland, College Park METHOD FOR PRODUCTION OF β-CRYPTOXANTHIN AND α-CRYPTOXANTHIN FROM COMMERCIALLY AVAILABLE LUTEIN
CN115772109B (en) * 2022-12-06 2024-10-18 万华化学集团股份有限公司 Preparation method of canthaxanthin crystals

Also Published As

Publication number Publication date
DE2440747B2 (en) 1978-07-06
NL161141C (en) 1980-01-15
AT346504B (en) 1978-11-10
IT1027535B (en) 1978-12-20
GB1427690A (en) 1976-03-10
CH597112A5 (en) 1978-03-31
BE819259A (en) 1975-02-28
FR2242381A1 (en) 1975-03-28
JPS5428859B2 (en) 1979-09-19
ATA695674A (en) 1978-03-15
JPS5050338A (en) 1975-05-06
FR2242381B1 (en) 1978-11-10
NL161141B (en) 1979-08-15
DE2440747A1 (en) 1975-03-13
DE2440747C3 (en) 1979-03-08

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: HOFFMANN