GB819897A - Process for the production of unsaturated compounds of the vitamin a series - Google Patents

Process for the production of unsaturated compounds of the vitamin a series

Info

Publication number
GB819897A
GB819897A GB17382/58A GB1738258A GB819897A GB 819897 A GB819897 A GB 819897A GB 17382/58 A GB17382/58 A GB 17382/58A GB 1738258 A GB1738258 A GB 1738258A GB 819897 A GB819897 A GB 819897A
Authority
GB
United Kingdom
Prior art keywords
nitrile
acid
trimethyl
methyl
cyclohexene
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
GB17382/58A
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 GB819897A publication Critical patent/GB819897A/en
Expired legal-status Critical Current

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)
GB17382/58A 1957-06-01 1958-05-30 Process for the production of unsaturated compounds of the vitamin a series Expired GB819897A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB819897A true GB819897A (en) 1959-09-09

Family

ID=6735785

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17382/58A Expired GB819897A (en) 1957-06-01 1958-05-30 Process for the production of unsaturated compounds of the vitamin a series

Country Status (4)

Country Link
US (1) US3021355A (cg-RX-API-DMAC7.html)
DE (1) DE1066197B (cg-RX-API-DMAC7.html)
GB (1) GB819897A (cg-RX-API-DMAC7.html)
NL (1) NL228279A (cg-RX-API-DMAC7.html)

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
DE1157218B (de) * 1960-08-03 1963-11-14 Bayer Ag Verfahren zur Herstellung von Verbindungen der Vitamin-A-Reihe
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)
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
US3021355A (en) 1962-02-13
DE1066197B (de) 1959-10-01
NL228279A (cg-RX-API-DMAC7.html)

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