[go: up one dir, main page]

IL32794A0 - Process for the preparation of intermediates for the synthesis of chromones - Google Patents

Process for the preparation of intermediates for the synthesis of chromones

Info

Publication number
IL32794A0
IL32794A0 IL32794A IL3279469A IL32794A0 IL 32794 A0 IL32794 A0 IL 32794A0 IL 32794 A IL32794 A IL 32794A IL 3279469 A IL3279469 A IL 3279469A IL 32794 A0 IL32794 A0 IL 32794A0
Authority
IL
Israel
Prior art keywords
chromones
intermediates
synthesis
preparation
Prior art date
Application number
IL32794A
Other languages
English (en)
Original Assignee
Fisons Pharmaceuticals 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 Pharmaceuticals Ltd filed Critical Fisons Pharmaceuticals Ltd
Publication of IL32794A0 publication Critical patent/IL32794A0/xx

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)
  • Pyrane Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IL32794A 1968-08-22 1969-08-07 Process for the preparation of intermediates for the synthesis of chromones IL32794A0 (en)

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
IL32794A0 true IL32794A0 (en) 1969-11-12

Family

ID=10413477

Family Applications (1)

Application Number Title Priority Date Filing Date
IL32794A IL32794A0 (en) 1968-08-22 1969-08-07 Process for the preparation of intermediates for the synthesis of chromones

Country Status (7)

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

Families Citing this family (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 (xx) * 1977-12-23 1979-07-13
JPS54130708U (xx) * 1978-03-03 1979-09-11
JPS5570539U (xx) * 1978-11-06 1980-05-15

Also Published As

Publication number Publication date
SE372940B (xx) 1975-01-20
GB1271364A (en) 1972-04-19
NL6912820A (xx) 1970-02-24
JPS4819313B1 (xx) 1973-06-12
CA952119A (en) 1974-07-30
CH519452A (fr) 1972-02-29

Similar Documents

Publication Publication Date Title
CH614188A5 (en) Process for the preparation of novel aminophenylethanolamines
IL33371A0 (en) New process for the preparation of daunorubicin
YU36877A (en) Process for the synthesis of thioureidobenzene
IL32409A0 (en) Process for the preparation of ethene derivatives
IL32953A0 (en) Process for the preparation of delta3-thiazolines
IL32794A0 (en) Process for the preparation of intermediates for the synthesis of chromones
ZA715124B (en) Process for the preparation of 4-oxocapronitrile
ZA711172B (en) Process for the preparation of zeolites
CH614430A5 (en) Process for the preparation of substituted phenylguanidines
ZA711002B (en) Process for the continuous preparation of dichloropropanols
PH9228A (en) Process for the preparation of 3-phenyl-5-t-butyl-2-oxadiazolones
ZA708476B (en) Process for the preparation of isoxazolylethyl substituted tetrahydropyranols
EG10440A (en) Process for the preparation of des-phenylalamin b1-insuli
ZA739528B (en) Method for the synthesis of(+)-glaziovine
IL32895A0 (en) Process for the preparation of pentabromophenol
IL32155A0 (en) Synthesis of epoxyphosphonates
ZA716087B (en) New process for the preparation of substituted cobamides
CA776674A (en) Process for the preparation of antidepressant agents
IL38029A (en) Process for the preparation of 14-anhydrobufaline
CA790080A (en) Synthesis of dehydroionone
IL31694A0 (en) Process for the preparation of 2-alkylaminocoumarans
IL33373A0 (en) Process for the preparation of low-pyrogen l-asparaginases
IL31883A (en) Process for the preparation of 6-halo-16-lower alkylidene-17alpha-acyloxy-6-dehydro-progesterone and intermediates therefor
YU33874B (en) Process for the preparation of novel penicillins
CA783052A (en) Process for the preparation of substituted phenylisothiazolylpenicillins