DK131185B - Process for the production of bis-chromones. - Google Patents

Process for the production of bis-chromones.

Info

Publication number
DK131185B
DK131185B DK25072A DK25072A DK131185B DK 131185 B DK131185 B DK 131185B DK 25072 A DK25072 A DK 25072A DK 25072 A DK25072 A DK 25072A DK 131185 B DK131185 B DK 131185B
Authority
DK
Denmark
Prior art keywords
chromones
bis
production
Prior art date
Application number
DK25072A
Other languages
Danish (da)
Other versions
DK131185C (en
Inventor
R Hazard
E N Wall
Original Assignee
Fisons 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 Fisons Ltd filed Critical Fisons Ltd
Publication of DK131185B publication Critical patent/DK131185B/en
Application granted granted Critical
Publication of DK131185C publication Critical patent/DK131185C/da

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
    • C07D311/24—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
  • Epoxy Compounds (AREA)
DK25072A 1971-01-22 1972-01-18 Process for the production of bis-chromones. DK131185B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB292471 1971-01-22

Publications (2)

Publication Number Publication Date
DK131185B true DK131185B (en) 1975-06-09
DK131185C DK131185C (en) 1975-11-10

Family

ID=9748628

Family Applications (1)

Application Number Title Priority Date Filing Date
DK25072A DK131185B (en) 1971-01-22 1972-01-18 Process for the production of bis-chromones.

Country Status (7)

Country Link
JP (1) JPS5641633B1 (en)
CA (1) CA964272A (en)
CH (1) CH546758A (en)
DK (1) DK131185B (en)
GB (1) GB1324571A (en)
NL (1) NL7200726A (en)
SE (1) SE384861B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1448980A (en) * 1973-01-19 1976-09-08 Fisons Ltd Unsymmetrically substituted bis-chromones

Also Published As

Publication number Publication date
JPS5641633B1 (en) 1981-09-29
GB1324571A (en) 1973-07-25
NL7200726A (en) 1972-07-25
CA964272A (en) 1975-03-11
SE384861B (en) 1976-05-24
DK131185C (en) 1975-11-10
CH546758A (en) 1974-03-15

Similar Documents

Publication Publication Date Title
DK138419B (en) Process for the preparation of 1alpha-hydroxycholecalciferol.
DK139720B (en) Analogous process for the preparation of pleuromutilins.
DK131874B (en) Process for the production of mutanase.
DK131760B (en) Process for the preparation of an insulin-salt-protamine complex.
DK131873B (en) Process for the preparation of pullulan.
DK133828B (en) Process for the preparation of zeaxanthin.
DK139874B (en) Process for the production of detergents.
DK139264B (en) Process for the production of olefins.
DK127119B (en) Analogous process for the preparation of 6-amino-9-benzylpurine compounds.
DK140596B (en) Analogous process for the preparation of 8beta- (ureidomethyl) -ergolene derivatives.
DK130212B (en) Analogous process for the preparation of 7-aminoindazole derivatives.
DK139815B (en) Process for the production of urea.
DK133470B (en) Process for the preparation of 3alpha-hydroxy-5alpha-steroids.
DK138229B (en) Process for the preparation of (+) (-) - eburnamonine.
DK131308B (en) Process for the production of malt.
DK132273B (en) Process for the production of trans-chrysanthemic acid.
DK128114B (en) Process for the manufacture of an antibiotic.
DK130959B (en) Analogous process for the preparation of benzamidoacetohydroxamic acids.
DK131875B (en) Process for the production of uricase.
DK130462B (en) Process for the production of ethylene oxide.
DK133464B (en) Analogous process for the preparation of nitrosourine derivatives.
DK129794B (en) Analogous process for the preparation of N-acyl-3- (piperazinoethyl) -pyrazoles.
DK126780B (en) Process for the preparation of flavone-7-oxyacetates.
DK130987B (en) Analogous process for the preparation of 15alpha, 16alpha-methylene-4-androsten-3-ones.
DK133902B (en) Process for the preparation of Cephalosporin C.