CH576462A5 - - Google Patents

Info

Publication number
CH576462A5
CH576462A5 CH1604872A CH1604872A CH576462A5 CH 576462 A5 CH576462 A5 CH 576462A5 CH 1604872 A CH1604872 A CH 1604872A CH 1604872 A CH1604872 A CH 1604872A CH 576462 A5 CH576462 A5 CH 576462A5
Authority
CH
Switzerland
Application number
CH1604872A
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 CH576462A5 publication Critical patent/CH576462A5/xx

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)
CH1604872A 1971-11-04 1972-11-03 CH576462A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
CH576462A5 true CH576462A5 (enrdf_load_stackoverflow) 1976-06-15

Family

ID=26334970

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1604872A CH576462A5 (enrdf_load_stackoverflow) 1971-11-04 1972-11-03

Country Status (5)

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

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
FR2158467B1 (enrdf_load_stackoverflow) 1975-10-31
FR2158467A1 (enrdf_load_stackoverflow) 1973-06-15
BE790792A (fr) 1973-02-15
GB1407479A (en) 1975-09-24
CA994788A (en) 1976-08-10

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased