GB8321943D0 - Preparation of 2,3-dihydro-benzopyranone derivatives - Google Patents

Preparation of 2,3-dihydro-benzopyranone derivatives

Info

Publication number
GB8321943D0
GB8321943D0 GB838321943A GB8321943A GB8321943D0 GB 8321943 D0 GB8321943 D0 GB 8321943D0 GB 838321943 A GB838321943 A GB 838321943A GB 8321943 A GB8321943 A GB 8321943A GB 8321943 D0 GB8321943 D0 GB 8321943D0
Authority
GB
United Kingdom
Prior art keywords
dihydro
preparation
benzopyranone derivatives
benzopyranone
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.)
Pending
Application number
GB838321943A
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.)
Pfizer Italia SRL
Original Assignee
Farmitalia Carlo Erba SRL
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 Farmitalia Carlo Erba SRL filed Critical Farmitalia Carlo Erba SRL
Priority to GB838321943A priority Critical patent/GB8321943D0/en
Publication of GB8321943D0 publication Critical patent/GB8321943D0/en
Priority to FI842972A priority patent/FI842972A/en
Priority to IT22058/84A priority patent/IT1179508B/en
Priority to GB08419581A priority patent/GB2145082B/en
Priority to CA000460322A priority patent/CA1262139A/en
Priority to AT842587A priority patent/ATA258784A/en
Priority to DK389484A priority patent/DK389484A/en
Pending 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
    • 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
    • C07D311/74—Benzo[b]pyrans, hydrogenated in the carbocyclic ring
GB838321943A 1983-08-15 1983-08-15 Preparation of 2,3-dihydro-benzopyranone derivatives Pending GB8321943D0 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB838321943A GB8321943D0 (en) 1983-08-15 1983-08-15 Preparation of 2,3-dihydro-benzopyranone derivatives
FI842972A FI842972A (en) 1983-08-15 1984-07-26 FREQUENCY FRAMSTRATION FOR DERIVATIVES OF 2,3-DIHYDROBENZOPYRANONE.
IT22058/84A IT1179508B (en) 1983-08-15 1984-07-26 PROCEDURE FOR THE PREPARATION OF 2,3-DIHYDROBENZOPYRANONE DERIVATIVES
GB08419581A GB2145082B (en) 1983-08-15 1984-08-01 Process for the preparation of 2, 3-dihydro-4h-1-benzopyran-4-one and 2,3,5,6,7,8-hexahydro-4h-1-benzo-pyran-4,5-dione derivativesss
CA000460322A CA1262139A (en) 1983-08-15 1984-08-03 Process for the preparation of 2,3- dihydrobenzopyranone derivatives
AT842587A ATA258784A (en) 1983-08-15 1984-08-09 METHOD FOR PRODUCING NEW 2,3-DIHYDROBENZOPYRANDERIVATIVES
DK389484A DK389484A (en) 1983-08-15 1984-08-13 PROCEDURE FOR PREPARING 2,3-DIHYDROBENZOPYRANE DERIVATIVES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838321943A GB8321943D0 (en) 1983-08-15 1983-08-15 Preparation of 2,3-dihydro-benzopyranone derivatives

Publications (1)

Publication Number Publication Date
GB8321943D0 true GB8321943D0 (en) 1983-09-14

Family

ID=10547327

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838321943A Pending GB8321943D0 (en) 1983-08-15 1983-08-15 Preparation of 2,3-dihydro-benzopyranone derivatives
GB08419581A Expired GB2145082B (en) 1983-08-15 1984-08-01 Process for the preparation of 2, 3-dihydro-4h-1-benzopyran-4-one and 2,3,5,6,7,8-hexahydro-4h-1-benzo-pyran-4,5-dione derivativesss

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB08419581A Expired GB2145082B (en) 1983-08-15 1984-08-01 Process for the preparation of 2, 3-dihydro-4h-1-benzopyran-4-one and 2,3,5,6,7,8-hexahydro-4h-1-benzo-pyran-4,5-dione derivativesss

Country Status (6)

Country Link
AT (1) ATA258784A (en)
CA (1) CA1262139A (en)
DK (1) DK389484A (en)
FI (1) FI842972A (en)
GB (2) GB8321943D0 (en)
IT (1) IT1179508B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5449794A (en) * 1991-02-15 1995-09-12 Jasmine Fockerman Benzopyran phenol derivatives for use as antibacterial agents
US5591771A (en) * 1991-12-17 1997-01-07 Michel Fockerman Use of propolis components as an adjuvant
US5861430A (en) * 1991-12-17 1999-01-19 Jasmine Fockerman Benzopyran phenol derivates for use as antibacterial, antiviral or immunostimulating agents
CN104262308B (en) * 2014-08-06 2016-02-24 云南中烟工业有限责任公司 A kind of parallel six-ring biphenyl compound and its preparation method and application

Also Published As

Publication number Publication date
GB8419581D0 (en) 1984-09-05
ATA258784A (en) 1990-06-15
IT1179508B (en) 1987-09-16
GB2145082A (en) 1985-03-20
DK389484A (en) 1985-02-16
GB2145082B (en) 1987-03-04
IT8422058A0 (en) 1984-07-26
FI842972A (en) 1985-02-16
FI842972A0 (en) 1984-07-26
DK389484D0 (en) 1984-08-13
CA1262139A (en) 1989-10-03

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