FR870537A - Process for the preparation of 6-oxychromanes - Google Patents

Process for the preparation of 6-oxychromanes

Info

Publication number
FR870537A
FR870537A FR870537DA FR870537A FR 870537 A FR870537 A FR 870537A FR 870537D A FR870537D A FR 870537DA FR 870537 A FR870537 A FR 870537A
Authority
FR
France
Prior art keywords
oxychromanes
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
Priority claimed from CH5300639A external-priority patent/CH221217A/en
Application filed by F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Application granted granted Critical
Publication of FR870537A publication Critical patent/FR870537A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/70—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
    • C07D311/72—3,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols
FR870537D 1939-07-28 1941-03-04 Process for the preparation of 6-oxychromanes Expired FR870537A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5300639A CH221217A (en) 1939-07-28 1939-07-28 Process for the preparation of 2,2,5,7,8-pentamethyl-6-oxychroman.

Publications (1)

Publication Number Publication Date
FR870537A true FR870537A (en) 1942-03-13

Family

ID=38422733

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870537D Expired FR870537A (en) 1939-07-28 1941-03-04 Process for the preparation of 6-oxychromanes

Country Status (4)

Country Link
DE (1) DE719438C (en)
DK (1) DK59225C (en)
ES (1) ES150039A1 (en)
FR (1) FR870537A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH424801A (en) * 1963-07-04 1966-11-30 Hoffmann La Roche Process for the preparation of chroman compounds

Also Published As

Publication number Publication date
DE719438C (en) 1942-04-09
ES150039A1 (en) 1942-06-01
DK59225C (en) 1941-11-24

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