FR1035628A - Process for preparing 4-methyl-coumarins - Google Patents

Process for preparing 4-methyl-coumarins

Info

Publication number
FR1035628A
FR1035628A FR1035628DA FR1035628A FR 1035628 A FR1035628 A FR 1035628A FR 1035628D A FR1035628D A FR 1035628DA FR 1035628 A FR1035628 A FR 1035628A
Authority
FR
France
Prior art keywords
coumarins
methyl
preparing
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.)
British Industrial Solvents Ltd
Original Assignee
British Industrial Solvents Ltd
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 British Industrial Solvents Ltd filed Critical British Industrial Solvents Ltd
Application granted granted Critical
Publication of FR1035628A publication Critical patent/FR1035628A/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
    • C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
    • C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1035628D 1950-02-02 1951-01-24 Process for preparing 4-methyl-coumarins Expired FR1035628A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1035628X 1950-02-02

Publications (1)

Publication Number Publication Date
FR1035628A true FR1035628A (en) 1953-08-26

Family

ID=10869464

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1035628D Expired FR1035628A (en) 1950-02-02 1951-01-24 Process for preparing 4-methyl-coumarins

Country Status (1)

Country Link
FR (1) FR1035628A (en)

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