FR2157906A1 - - Google Patents

Info

Publication number
FR2157906A1
FR2157906A1 FR7237454A FR7237454A FR2157906A1 FR 2157906 A1 FR2157906 A1 FR 2157906A1 FR 7237454 A FR7237454 A FR 7237454A FR 7237454 A FR7237454 A FR 7237454A FR 2157906 A1 FR2157906 A1 FR 2157906A1
Authority
FR
France
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.)
Granted
Application number
FR7237454A
Other languages
French (fr)
Other versions
FR2157906B1 (cs
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.)
SERESCI
Original Assignee
SERESCI
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 SERESCI filed Critical SERESCI
Publication of FR2157906A1 publication Critical patent/FR2157906A1/fr
Application granted granted Critical
Publication of FR2157906B1 publication Critical patent/FR2157906B1/fr
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
    • C07D311/42—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4
    • C07D311/44—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3
    • C07D311/46—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/46—Friedel-Crafts reactions
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/80—Ketones containing a keto group bound to a six-membered aromatic ring containing halogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7237454A 1971-10-22 1972-10-23 Expired FR2157906B1 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4911971 1971-10-22

Publications (2)

Publication Number Publication Date
FR2157906A1 true FR2157906A1 (cs) 1973-06-08
FR2157906B1 FR2157906B1 (cs) 1975-10-31

Family

ID=10451214

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7237454A Expired FR2157906B1 (cs) 1971-10-22 1972-10-23

Country Status (4)

Country Link
BE (1) BE790437A (cs)
DE (1) DE2251856C3 (cs)
FR (1) FR2157906B1 (cs)
GB (1) GB1347921A (cs)

Also Published As

Publication number Publication date
FR2157906B1 (cs) 1975-10-31
BE790437A (fr) 1973-04-24
DE2251856A1 (de) 1973-04-26
GB1347921A (en) 1974-02-27
DE2251856C3 (de) 1975-06-19
DE2251856B2 (de) 1974-10-24

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Legal Events

Date Code Title Description
ST Notification of lapse