AT330774B - PROCESS FOR PRODUCING NEW BICYCLIC CONNECTIONS - Google Patents

PROCESS FOR PRODUCING NEW BICYCLIC CONNECTIONS

Info

Publication number
AT330774B
AT330774B AT439774A AT439774A AT330774B AT 330774 B AT330774 B AT 330774B AT 439774 A AT439774 A AT 439774A AT 439774 A AT439774 A AT 439774A AT 330774 B AT330774 B AT 330774B
Authority
AT
Austria
Prior art keywords
connections
producing new
new bicyclic
bicyclic
producing
Prior art date
Application number
AT439774A
Other languages
German (de)
Other versions
ATA439774A (en
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
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Priority to AT439774A priority Critical patent/AT330774B/en
Publication of ATA439774A publication Critical patent/ATA439774A/en
Application granted granted Critical
Publication of AT330774B publication Critical patent/AT330774B/en

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)
AT439774A 1974-05-28 1974-05-28 PROCESS FOR PRODUCING NEW BICYCLIC CONNECTIONS AT330774B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT439774A AT330774B (en) 1974-05-28 1974-05-28 PROCESS FOR PRODUCING NEW BICYCLIC CONNECTIONS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT439774A AT330774B (en) 1974-05-28 1974-05-28 PROCESS FOR PRODUCING NEW BICYCLIC CONNECTIONS

Publications (2)

Publication Number Publication Date
ATA439774A ATA439774A (en) 1975-10-15
AT330774B true AT330774B (en) 1976-07-26

Family

ID=3563458

Family Applications (1)

Application Number Title Priority Date Filing Date
AT439774A AT330774B (en) 1974-05-28 1974-05-28 PROCESS FOR PRODUCING NEW BICYCLIC CONNECTIONS

Country Status (1)

Country Link
AT (1) AT330774B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0375449A2 (en) * 1988-12-23 1990-06-27 Beecham Group Plc Benzopyran-type compounds

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0375449A2 (en) * 1988-12-23 1990-06-27 Beecham Group Plc Benzopyran-type compounds
EP0375449A3 (en) * 1988-12-23 1990-08-29 Beecham Group Plc Benzopyran-type compounds

Also Published As

Publication number Publication date
ATA439774A (en) 1975-10-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee