GB1407479A - Chromone aldehyde derivatives and a method for the production thereof - Google Patents

Chromone aldehyde derivatives and a method for the production thereof

Info

Publication number
GB1407479A
GB1407479A GB5080772A GB5080772A GB1407479A GB 1407479 A GB1407479 A GB 1407479A GB 5080772 A GB5080772 A GB 5080772A GB 5080772 A GB5080772 A GB 5080772A GB 1407479 A GB1407479 A GB 1407479A
Authority
GB
United Kingdom
Prior art keywords
production
aldehyde derivatives
chromone aldehyde
chromone
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
GB5080772A
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 GB1407479A publication Critical patent/GB1407479A/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
    • C07D311/22—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)
GB5080772A 1971-11-04 1972-11-03 Chromone aldehyde derivatives and a method for the production thereof Expired GB1407479A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
GB1407479A true GB1407479A (en) 1975-09-24

Family

ID=26334970

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5080772A Expired GB1407479A (en) 1971-11-04 1972-11-03 Chromone aldehyde derivatives and a method for the production thereof

Country Status (5)

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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE769146A (en) * 1970-07-01 1971-11-03 Takeda Chemical Industries Ltd CHROMON-CARBOXYLIC ACID DERIVATIVES

Also Published As

Publication number Publication date
CA994788A (en) 1976-08-10
FR2158467A1 (en) 1973-06-15
FR2158467B1 (en) 1975-10-31
CH576462A5 (en) 1976-06-15
BE790792A (en) 1973-02-15

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Legal Events

Date Code Title Description
PS Patent sealed
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee