FR57821E - Process for the preparation of pentaenes - Google Patents

Process for the preparation of pentaenes

Info

Publication number
FR57821E
FR57821E FR57821DA FR57821E FR 57821 E FR57821 E FR 57821E FR 57821D A FR57821D A FR 57821DA FR 57821 E FR57821 E FR 57821E
Authority
FR
France
Prior art keywords
pentaenes
preparation
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
Other languages
French (fr)
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche 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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Application granted granted Critical
Publication of FR57821E publication Critical patent/FR57821E/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
    • C07C403/06—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 singly-bound oxygen atoms
    • C07C403/10—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 singly-bound oxygen atoms by etherified hydroxy groups
    • 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)
FR57821D 1947-11-18 1947-11-18 Process for the preparation of pentaenes Expired FR57821E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR57821T 1947-11-18

Publications (1)

Publication Number Publication Date
FR57821E true FR57821E (en) 1953-09-17

Family

ID=8691802

Family Applications (1)

Application Number Title Priority Date Filing Date
FR57821D Expired FR57821E (en) 1947-11-18 1947-11-18 Process for the preparation of pentaenes

Country Status (1)

Country Link
FR (1) FR57821E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1027661B (en) * 1954-04-22 1958-04-10 Eastman Kodak Co Process for the production of vitamin A-aldehyde from 3, 7-dioxyvitamin A-aldehyde acetals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1027661B (en) * 1954-04-22 1958-04-10 Eastman Kodak Co Process for the production of vitamin A-aldehyde from 3, 7-dioxyvitamin A-aldehyde acetals

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