FR1365222A - Process for the preparation of chromene derivatives - Google Patents

Process for the preparation of chromene derivatives

Info

Publication number
FR1365222A
FR1365222A FR943973A FR943973A FR1365222A FR 1365222 A FR1365222 A FR 1365222A FR 943973 A FR943973 A FR 943973A FR 943973 A FR943973 A FR 943973A FR 1365222 A FR1365222 A FR 1365222A
Authority
FR
France
Prior art keywords
preparation
chromene derivatives
chromene
derivatives
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
FR943973A
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 to BE635999D priority Critical patent/BE635999A/fr
Application filed by F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Priority to FR943973A priority patent/FR1365222A/en
Application granted granted Critical
Publication of FR1365222A publication Critical patent/FR1365222A/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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00—Preparation of quinones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04—Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR943973A 1963-08-07 1963-08-07 Process for the preparation of chromene derivatives Expired FR1365222A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE635999D BE635999A (en) 1963-08-07
FR943973A FR1365222A (en) 1963-08-07 1963-08-07 Process for the preparation of chromene derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR943973A FR1365222A (en) 1963-08-07 1963-08-07 Process for the preparation of chromene derivatives

Publications (1)

Publication Number Publication Date
FR1365222A true FR1365222A (en) 1964-06-26

Family

ID=8810063

Family Applications (1)

Application Number Title Priority Date Filing Date
FR943973A Expired FR1365222A (en) 1963-08-07 1963-08-07 Process for the preparation of chromene derivatives

Country Status (2)

Country Link
BE (1) BE635999A (en)
FR (1) FR1365222A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4603142A (en) * 1984-06-01 1986-07-29 Wisconsin Alumni Research Foundation Cholesterol lowering method of use
WO2012171652A1 (en) * 2011-06-17 2012-12-20 Ximo Ag Synthesis of vitamin e

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4603142A (en) * 1984-06-01 1986-07-29 Wisconsin Alumni Research Foundation Cholesterol lowering method of use
WO2012171652A1 (en) * 2011-06-17 2012-12-20 Ximo Ag Synthesis of vitamin e

Also Published As

Publication number Publication date
BE635999A (en)

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