FR2303010A1 - Procede de preparation de derives du chromene et composes ainsi obtenus - Google Patents

Procede de preparation de derives du chromene et composes ainsi obtenus

Info

Publication number
FR2303010A1
FR2303010A1 FR7511642A FR7511642A FR2303010A1 FR 2303010 A1 FR2303010 A1 FR 2303010A1 FR 7511642 A FR7511642 A FR 7511642A FR 7511642 A FR7511642 A FR 7511642A FR 2303010 A1 FR2303010 A1 FR 2303010A1
Authority
FR
France
Prior art keywords
opt
halogen
chromene
formula
carboxylic acid
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.)
Withdrawn
Application number
FR7511642A
Other languages
English (en)
French (fr)
Inventor
Bruno Nicolaus
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.)
ISF SpA
Original Assignee
ISF SpA
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 ISF SpA filed Critical ISF SpA
Publication of FR2303010A1 publication Critical patent/FR2303010A1/fr
Withdrawn legal-status Critical Current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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
FR7511642A 1974-04-17 1975-04-15 Procede de preparation de derives du chromene et composes ainsi obtenus Withdrawn FR2303010A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21515/74A IT1044793B (it) 1974-04-17 1974-04-17 Preparazioni di composti a struttura pasziale piranica

Publications (1)

Publication Number Publication Date
FR2303010A1 true FR2303010A1 (fr) 1976-10-01

Family

ID=11182945

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7511642A Withdrawn FR2303010A1 (fr) 1974-04-17 1975-04-15 Procede de preparation de derives du chromene et composes ainsi obtenus

Country Status (17)

Country Link
JP (1) JPS50137981A (enrdf_load_stackoverflow)
BG (1) BG24672A3 (enrdf_load_stackoverflow)
DD (1) DD121935A5 (enrdf_load_stackoverflow)
DE (1) DE2516623A1 (enrdf_load_stackoverflow)
DK (1) DK165975A (enrdf_load_stackoverflow)
ES (1) ES436627A1 (enrdf_load_stackoverflow)
FI (1) FI751145A7 (enrdf_load_stackoverflow)
FR (1) FR2303010A1 (enrdf_load_stackoverflow)
IL (1) IL47083A0 (enrdf_load_stackoverflow)
IN (1) IN142206B (enrdf_load_stackoverflow)
IT (1) IT1044793B (enrdf_load_stackoverflow)
LU (1) LU72297A1 (enrdf_load_stackoverflow)
NL (1) NL7504598A (enrdf_load_stackoverflow)
NO (1) NO751362L (enrdf_load_stackoverflow)
RO (1) RO72847A (enrdf_load_stackoverflow)
SE (1) SE7504342L (enrdf_load_stackoverflow)
ZA (1) ZA752432B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2092438A1 (es) * 1993-09-08 1996-11-16 Dong Kook Pharm Co Ltd Procedimiento para la fabricacion de derivados de fenol orto-isopropilados.

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3722886A1 (de) * 1987-07-10 1989-01-19 Basf Ag Verfahren zur herstellung von (alpha),ss-substituierten acroleinen und neue substituierte acroleine
US20230220298A1 (en) * 2020-06-12 2023-07-13 Firmenich Sa Enol ether properfume

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2092438A1 (es) * 1993-09-08 1996-11-16 Dong Kook Pharm Co Ltd Procedimiento para la fabricacion de derivados de fenol orto-isopropilados.

Also Published As

Publication number Publication date
ES436627A1 (es) 1977-05-01
NL7504598A (nl) 1975-10-21
IL47083A0 (en) 1975-06-25
RO72847B (ro) 1983-06-30
BG24672A3 (bg) 1978-04-12
DD121935A5 (enrdf_load_stackoverflow) 1976-09-05
JPS50137981A (enrdf_load_stackoverflow) 1975-11-01
NO751362L (enrdf_load_stackoverflow) 1975-10-20
IT1044793B (it) 1980-04-21
DK165975A (da) 1975-10-18
IN142206B (enrdf_load_stackoverflow) 1977-06-11
FI751145A7 (enrdf_load_stackoverflow) 1975-10-18
SE7504342L (sv) 1975-10-20
ZA752432B (en) 1976-09-29
LU72297A1 (enrdf_load_stackoverflow) 1975-08-20
RO72847A (ro) 1983-07-07
DE2516623A1 (de) 1975-10-23

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Legal Events

Date Code Title Description
ST Notification of lapse