BE819259A - Isomerisation - Google Patents

Isomerisation

Info

Publication number
BE819259A
BE819259A BE147953A BE147953A BE819259A BE 819259 A BE819259 A BE 819259A BE 147953 A BE147953 A BE 147953A BE 147953 A BE147953 A BE 147953A BE 819259 A BE819259 A BE 819259A
Authority
BE
Belgium
Prior art keywords
isomerization
Prior art date
Application number
BE147953A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE819259A publication Critical patent/BE819259A/xx

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)
BE147953A 1973-08-29 1974-08-28 Isomerisation BE819259A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE819259A true BE819259A (fr) 1975-02-28

Family

ID=23551250

Family Applications (1)

Application Number Title Priority Date Filing Date
BE147953A BE819259A (fr) 1973-08-29 1974-08-28 Isomerisation

Country Status (9)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19637517A1 (de) * 1996-09-13 1998-03-19 Basf Ag Herstellung von pulverförmigen, kaltwasserdispergierbaren Carotinoid-Zubereitungen und die Verwendung der neuen Carotinoid-Zubereitungen
EP1480932B1 (en) * 2002-02-06 2012-10-17 University of Maryland, College Park Method for production of beta-cryptoxanthin and alpha-cryptoxanthin from commercially available lutein
CN115772109A (zh) * 2022-12-06 2023-03-10 万华化学集团股份有限公司 一种角黄素晶体的制备方法

Also Published As

Publication number Publication date
NL161141B (nl) 1979-08-15
CH597112A5 (xx) 1978-03-31
ATA695674A (de) 1978-03-15
GB1427690A (en) 1976-03-10
DE2440747B2 (de) 1978-07-06
IT1027535B (it) 1978-12-20
NL161141C (nl) 1980-01-15
FR2242381A1 (xx) 1975-03-28
FR2242381B1 (xx) 1978-11-10
JPS5428859B2 (xx) 1979-09-19
DE2440747C3 (de) 1979-03-08
NL7411403A (nl) 1975-03-04
JPS5050338A (xx) 1975-05-06
DE2440747A1 (de) 1975-03-13
AT346504B (de) 1978-11-10

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: F. HOFFMANN-LA ROCHE & CIE S.A.

Effective date: 19850831