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DE719438C - Verfahren zur Darstellung von alkylierten 2-Dialkyl-6-oxychromanen - Google Patents

Verfahren zur Darstellung von alkylierten 2-Dialkyl-6-oxychromanen

Info

Publication number
DE719438C
DE719438C DEH162784A DEH0162784A DE719438C DE 719438 C DE719438 C DE 719438C DE H162784 A DEH162784 A DE H162784A DE H0162784 A DEH0162784 A DE H0162784A DE 719438 C DE719438 C DE 719438C
Authority
DE
Germany
Prior art keywords
parts
alkylated
dialkyl
solution
petroleum ether
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
DEH162784A
Other languages
German (de)
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.)
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/de
Application filed by F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Application granted granted Critical
Publication of DE719438C publication Critical patent/DE719438C/de
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DEH162784A 1939-07-28 1940-07-19 Verfahren zur Darstellung von alkylierten 2-Dialkyl-6-oxychromanen Expired DE719438C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5300639A CH221217A (de) 1939-07-28 1939-07-28 Verfahren zur Darstellung von 2,2,5,7,8-Pentamethyl-6-oxychroman.

Publications (1)

Publication Number Publication Date
DE719438C true DE719438C (de) 1942-04-09

Family

ID=38422733

Family Applications (1)

Application Number Title Priority Date Filing Date
DEH162784A Expired DE719438C (de) 1939-07-28 1940-07-19 Verfahren zur Darstellung von alkylierten 2-Dialkyl-6-oxychromanen

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1228270B (de) * 1963-07-04 1966-11-10 Hoffmann La Roche Verfahren zur Herstellung von Chromanderivaten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1228270B (de) * 1963-07-04 1966-11-10 Hoffmann La Roche Verfahren zur Herstellung von Chromanderivaten

Also Published As

Publication number Publication date
FR870537A (fr) 1942-03-13
ES150039A1 (es) 1942-06-01
DK59225C (da) 1941-11-24

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