FR2158467B1 - - Google Patents

Info

Publication number
FR2158467B1
FR2158467B1 FR7238842A FR7238842A FR2158467B1 FR 2158467 B1 FR2158467 B1 FR 2158467B1 FR 7238842 A FR7238842 A FR 7238842A FR 7238842 A FR7238842 A FR 7238842A FR 2158467 B1 FR2158467 B1 FR 2158467B1
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.)
Expired
Application number
FR7238842A
Other languages
French (fr)
Other versions
FR2158467A1 (ja
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.)
Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Chemical Industries 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
Priority claimed from JP46087880A external-priority patent/JPS50675B2/ja
Priority claimed from JP169872A external-priority patent/JPS4932860B2/ja
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Publication of FR2158467A1 publication Critical patent/FR2158467A1/fr
Application granted granted Critical
Publication of FR2158467B1 publication Critical patent/FR2158467B1/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
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR7238842A 1971-11-04 1972-11-02 Expired FR2158467B1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP46087880A JPS50675B2 (ja) 1971-11-04 1971-11-04
JP169872A JPS4932860B2 (ja) 1971-12-27 1971-12-27

Publications (2)

Publication Number Publication Date
FR2158467A1 FR2158467A1 (ja) 1973-06-15
FR2158467B1 true FR2158467B1 (ja) 1975-10-31

Family

ID=26334970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7238842A Expired FR2158467B1 (ja) 1971-11-04 1972-11-02

Country Status (5)

Country Link
BE (1) BE790792A (ja)
CA (1) CA994788A (ja)
CH (1) CH576462A5 (ja)
FR (1) FR2158467B1 (ja)
GB (1) GB1407479A (ja)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE769146A (fr) * 1970-07-01 1971-11-03 Takeda Chemical Industries Ltd Derives d'acides chromone-carboxylique

Also Published As

Publication number Publication date
CA994788A (en) 1976-08-10
FR2158467A1 (ja) 1973-06-15
GB1407479A (en) 1975-09-24
CH576462A5 (ja) 1976-06-15
BE790792A (fr) 1973-02-15

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Legal Events

Date Code Title Description
ST Notification of lapse