ZA200207320B - Preparation of 4,4'-diketo-beta-carotene derivatives. - Google Patents

Preparation of 4,4'-diketo-beta-carotene derivatives.

Info

Publication number
ZA200207320B
ZA200207320B ZA200207320A ZA200207320A ZA200207320B ZA 200207320 B ZA200207320 B ZA 200207320B ZA 200207320 A ZA200207320 A ZA 200207320A ZA 200207320 A ZA200207320 A ZA 200207320A ZA 200207320 B ZA200207320 B ZA 200207320B
Authority
ZA
South Africa
Prior art keywords
diketo
beta
preparation
carotene derivatives
canthaxanthin
Prior art date
Application number
ZA200207320A
Other languages
English (en)
Inventor
Jeffery L Davis
Danuta A Schloemer
George C Schloemer
Original Assignee
Prodemex Sa De Cv
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 Prodemex Sa De Cv filed Critical Prodemex Sa De Cv
Publication of ZA200207320B publication Critical patent/ZA200207320B/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
ZA200207320A 2001-09-13 2002-09-12 Preparation of 4,4'-diketo-beta-carotene derivatives. ZA200207320B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/953,007 US6372946B1 (en) 2001-09-13 2001-09-13 Preparation of 4,4′-diketo-β-carotene derivatives

Publications (1)

Publication Number Publication Date
ZA200207320B true ZA200207320B (en) 2003-05-12

Family

ID=25493453

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200207320A ZA200207320B (en) 2001-09-13 2002-09-12 Preparation of 4,4'-diketo-beta-carotene derivatives.

Country Status (11)

Country Link
US (1) US6372946B1 (zh)
EP (1) EP1293499B1 (zh)
CN (1) CN100396664C (zh)
AT (1) ATE319681T1 (zh)
DE (1) DE60209655T2 (zh)
ES (1) ES2258598T3 (zh)
IL (1) IL151586A (zh)
MX (1) MXPA02008914A (zh)
NO (1) NO328027B1 (zh)
PE (1) PE20030389A1 (zh)
ZA (1) ZA200207320B (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6372946B1 (en) * 2001-09-13 2002-04-16 Prodemex, S.A. De C.V. Preparation of 4,4′-diketo-β-carotene derivatives
DE10225856A1 (de) * 2002-06-11 2004-01-08 Degussa Ag Verfahren zur Herstellung von Canthaxanthin
CA2496207A1 (en) * 2002-08-20 2004-03-04 Sungene Gmbh & Co. Kgaa Method for the production of zeaxanthin and/or the biosynthetic intermediates and/or subsequent products thereof
AU2003277393A1 (en) * 2002-10-25 2004-05-25 Prodemex, S.A. De C.V. Method for producing esterified astaxanthin from esterified zeaxanthin
ES2223270B1 (es) * 2003-04-10 2006-04-16 Carotenoid Technologies, S.A. Procedimiento para la sintesis de astaxantina.
KR101019787B1 (ko) 2003-12-23 2011-03-04 구상호 칸타잔틴의 제조방법
KR101302777B1 (ko) * 2004-07-21 2013-09-02 디에스엠 아이피 어셋츠 비.브이. 4-케토루테인의 제조 및 식품 첨가제로서의 용도
ES2299304B1 (es) * 2005-07-29 2009-04-01 Carotenoid Technologies, S.A. Procedimiento para la preparacion de astaxantina.
ES2299305B1 (es) * 2005-07-29 2009-04-01 Carotenoid Technologies, S.A. Procedimiento para la preparacion de astaxantina.
CN105777599A (zh) * 2014-12-26 2016-07-20 上虞新和成生物化工有限公司 一种氧化法制备斑蝥黄的方法
CN109369486B (zh) * 2018-12-18 2020-06-23 厦门金达威维生素有限公司 一种斑蝥黄的制备方法
CN115057805A (zh) * 2022-05-16 2022-09-16 万华化学集团股份有限公司 一种高全反式异构体稳定性角黄素晶体的方法
CN115073340B (zh) * 2022-06-28 2024-04-09 万华化学集团股份有限公司 一种角黄素的合成方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1058626A (en) * 1975-08-05 1979-07-17 Joachim Paust Manufacture of canthaxanthin
JP3387554B2 (ja) * 1993-06-11 2003-03-17 新日本石油株式会社 カンタキサンチンの製造方法
DE4322277A1 (de) * 1993-07-05 1995-01-12 Basf Ag Verbessertes Verfahren zur Herstellung von Astaxanthin, neue Zwischenprodukte hierfür sowie ein Verfahren zu deren Herstellung
JP2000351763A (ja) * 1999-06-09 2000-12-19 Kuraray Co Ltd カンタキサンチンの製造方法
US6376717B2 (en) * 2000-04-26 2002-04-23 Prodemex, S.A. De C.V. Preparation of astaxanthin
US6372946B1 (en) * 2001-09-13 2002-04-16 Prodemex, S.A. De C.V. Preparation of 4,4′-diketo-β-carotene derivatives

Also Published As

Publication number Publication date
CN1417207A (zh) 2003-05-14
ATE319681T1 (de) 2006-03-15
NO20024266L (no) 2003-03-14
IL151586A (en) 2007-06-03
PE20030389A1 (es) 2003-06-13
ES2258598T3 (es) 2006-09-01
EP1293499A1 (en) 2003-03-19
NO20024266D0 (no) 2002-09-06
CN100396664C (zh) 2008-06-25
DE60209655D1 (de) 2006-05-04
MXPA02008914A (es) 2004-08-19
NO328027B1 (no) 2009-11-10
EP1293499B1 (en) 2006-03-08
IL151586A0 (en) 2003-04-10
US6372946B1 (en) 2002-04-16
DE60209655T2 (de) 2006-10-05

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