DK59225C - Process for the preparation of alkylated 2-dialkyl-6-oxychromans. - Google Patents

Process for the preparation of alkylated 2-dialkyl-6-oxychromans.

Info

Publication number
DK59225C
DK59225C DK59225DA DK59225C DK 59225 C DK59225 C DK 59225C DK 59225D A DK59225D A DK 59225DA DK 59225 C DK59225 C DK 59225C
Authority
DK
Denmark
Prior art keywords
oxychromans
alkylated
dialkyl
preparation
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Application granted granted Critical
Publication of DK59225C publication Critical patent/DK59225C/en

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
DK59225D 1939-07-28 1940-07-16 Process for the preparation of alkylated 2-dialkyl-6-oxychromans. DK59225C (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
DK59225C true DK59225C (en) 1941-11-24

Family

ID=38422733

Family Applications (1)

Application Number Title Priority Date Filing Date
DK59225D DK59225C (en) 1939-07-28 1940-07-16 Process for the preparation of alkylated 2-dialkyl-6-oxychromans.

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
FR870537A (en) 1942-03-13
DE719438C (en) 1942-04-09
ES150039A1 (en) 1942-06-01

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