NL228279A - - Google Patents

Info

Publication number
NL228279A
NL228279A NL228279DA NL228279A NL 228279 A NL228279 A NL 228279A NL 228279D A NL228279D A NL 228279DA NL 228279 A NL228279 A NL 228279A
Authority
NL
Netherlands
Application number
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.)
Publication of NL228279A publication Critical patent/NL228279A/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
    • C07C403/20—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 carboxyl groups or halides, anhydrides, or (thio)esters thereof
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL228279D 1957-06-01 NL228279A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE819897X 1957-06-01

Publications (1)

Publication Number Publication Date
NL228279A true NL228279A (en:Method)

Family

ID=6735785

Family Applications (1)

Application Number Title Priority Date Filing Date
NL228279D NL228279A (en:Method) 1957-06-01

Country Status (4)

Country Link
US (1) US3021355A (en:Method)
DE (1) DE1066197B (en:Method)
GB (1) GB819897A (en:Method)
NL (1) NL228279A (en:Method)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3190898A (en) * 1965-06-22 Method of producing compounds of the vitamin a series and intermediates for use therein
DE1149353B (de) * 1960-08-03 1963-05-30 Bayer Ag Verfahren zur Herstellung von 6-[2', 6', 6'-Trimethylcyclohexen-(1')-yl]-4-methylhexadien-(3, 5)-in-(1) (íÀC-KohlenwasserstoffíÂ)
DE1157218B (de) * 1960-08-03 1963-11-14 Bayer Ag Verfahren zur Herstellung von Verbindungen der Vitamin-A-Reihe
DE1156068B (de) * 1960-12-16 1963-10-24 Bayer Ag Verfahren zur Herstellung von Verbindungen der Vitamin-A-Reihe
US3207759A (en) * 1962-08-01 1965-09-21 Hoffmann La Roche Isoquinoline acetamides and acetonitriles
DE1156795B (de) * 1962-08-22 1963-11-07 Bayer Ag Verfahren zur Herstellung von Acylderivaten tertiaerer Carbinole der Vitamin-A-Reihe
US3372033A (en) * 1962-10-03 1968-03-05 Philips Corp Retinylydene cyano-acetic acid, esters and salts thereof, as an egg yolk colorant employed in poultry feed

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2369158A (en) * 1941-10-01 1945-02-13 Research Corp Synthesis of vitamin a
US2583194A (en) * 1948-04-27 1952-01-22 Eastman Kodak Co Vitamin a derivatives and methods of preparing the same
FR1022925A (fr) * 1949-07-16 1953-03-11 Philips Nv Procédé de préparation de l'aldéhyde beta-ionylidène-acétique et de dérivés de ce corps
US2761878A (en) * 1950-06-20 1956-09-04 Hartford Nat Bank & Trust Co beta ionylidene acetaldehyde and method of producing the same

Also Published As

Publication number Publication date
GB819897A (en) 1959-09-09
US3021355A (en) 1962-02-13
DE1066197B (de) 1959-10-01

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