JPS4819313B1 - - Google Patents

Info

Publication number
JPS4819313B1
JPS4819313B1 JP44066047A JP6604769A JPS4819313B1 JP S4819313 B1 JPS4819313 B1 JP S4819313B1 JP 44066047 A JP44066047 A JP 44066047A JP 6604769 A JP6604769 A JP 6604769A JP S4819313 B1 JPS4819313 B1 JP S4819313B1
Authority
JP
Japan
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
JP44066047A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4819313B1 publication Critical patent/JPS4819313B1/ja
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
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
JP44066047A 1968-08-22 1969-08-22 Pending JPS4819313B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB40159/68A GB1271364A (en) 1968-08-22 1968-08-22 Process for the production of chromones and intermediates therefor

Publications (1)

Publication Number Publication Date
JPS4819313B1 true JPS4819313B1 (enrdf_load_stackoverflow) 1973-06-12

Family

ID=10413477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP44066047A Pending JPS4819313B1 (enrdf_load_stackoverflow) 1968-08-22 1969-08-22

Country Status (7)

Country Link
JP (1) JPS4819313B1 (enrdf_load_stackoverflow)
CA (1) CA952119A (enrdf_load_stackoverflow)
CH (1) CH519452A (enrdf_load_stackoverflow)
GB (1) GB1271364A (enrdf_load_stackoverflow)
IL (1) IL32794A0 (enrdf_load_stackoverflow)
NL (1) NL6912820A (enrdf_load_stackoverflow)
SE (1) SE372940B (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52116608A (en) * 1976-03-26 1977-09-30 Tobishima Construct Co Ltd Method that build compartment in building
JPS52118915A (en) * 1976-03-31 1977-10-05 Matsushita Electric Works Ltd Shed wind partition
JPS5499338U (enrdf_load_stackoverflow) * 1977-12-23 1979-07-13
JPS54130708U (enrdf_load_stackoverflow) * 1978-03-03 1979-09-11
JPS5570539U (enrdf_load_stackoverflow) * 1978-11-06 1980-05-15

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52116608A (en) * 1976-03-26 1977-09-30 Tobishima Construct Co Ltd Method that build compartment in building
JPS52118915A (en) * 1976-03-31 1977-10-05 Matsushita Electric Works Ltd Shed wind partition
JPS5499338U (enrdf_load_stackoverflow) * 1977-12-23 1979-07-13
JPS54130708U (enrdf_load_stackoverflow) * 1978-03-03 1979-09-11
JPS5570539U (enrdf_load_stackoverflow) * 1978-11-06 1980-05-15

Also Published As

Publication number Publication date
IL32794A0 (en) 1969-11-12
CA952119A (en) 1974-07-30
NL6912820A (enrdf_load_stackoverflow) 1970-02-24
SE372940B (enrdf_load_stackoverflow) 1975-01-20
CH519452A (fr) 1972-02-29
GB1271364A (en) 1972-04-19

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