FR2303010A1 - Procede de preparation de derives du chromene et composes ainsi obtenus - Google Patents
Procede de preparation de derives du chromene et composes ainsi obtenusInfo
- 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
- carboxylic acid
- chromene
- halogen
- formula
- 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- Withdrawn
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)
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FR7511642A Withdrawn FR2303010A1 (fr) | 1974-04-17 | 1975-04-15 | Procede de preparation de derives du chromene et composes ainsi obtenus |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 (xx) |
BG (1) | BG24672A3 (xx) |
DD (1) | DD121935A5 (xx) |
DE (1) | DE2516623A1 (xx) |
DK (1) | DK165975A (xx) |
ES (1) | ES436627A1 (xx) |
FI (1) | FI751145A (xx) |
FR (1) | FR2303010A1 (xx) |
IL (1) | IL47083A0 (xx) |
IN (1) | IN142206B (xx) |
IT (1) | IT1044793B (xx) |
LU (1) | LU72297A1 (xx) |
NL (1) | NL7504598A (xx) |
NO (1) | NO751362L (xx) |
RO (1) | RO72847A (xx) |
SE (1) | SE7504342L (xx) |
ZA (1) | ZA752432B (xx) |
Cited By (1)
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 (1)
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 |
-
1974
- 1974-04-17 IT IT21515/74A patent/IT1044793B/it active
-
1975
- 1975-04-14 IN IN740/CAL/75A patent/IN142206B/en unknown
- 1975-04-14 IL IL47083A patent/IL47083A0/xx unknown
- 1975-04-15 FR FR7511642A patent/FR2303010A1/fr not_active Withdrawn
- 1975-04-15 RO RO7581993A patent/RO72847A/ro unknown
- 1975-04-15 SE SE7504342A patent/SE7504342L/xx unknown
- 1975-04-16 ES ES436627A patent/ES436627A1/es not_active Expired
- 1975-04-16 LU LU72297A patent/LU72297A1/xx unknown
- 1975-04-16 ZA ZA00752432A patent/ZA752432B/xx unknown
- 1975-04-16 NO NO751362A patent/NO751362L/no unknown
- 1975-04-16 DE DE19752516623 patent/DE2516623A1/de active Pending
- 1975-04-17 DD DD185515A patent/DD121935A5/xx unknown
- 1975-04-17 JP JP50045909A patent/JPS50137981A/ja active Pending
- 1975-04-17 NL NL7504598A patent/NL7504598A/xx unknown
- 1975-04-17 BG BG029697A patent/BG24672A3/xx unknown
- 1975-04-17 FI FI751145A patent/FI751145A/fi not_active Application Discontinuation
- 1975-04-17 DK DK165975A patent/DK165975A/da not_active IP Right Cessation
Cited By (1)
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 |
---|---|
DD121935A5 (xx) | 1976-09-05 |
NL7504598A (nl) | 1975-10-21 |
BG24672A3 (en) | 1978-04-12 |
RO72847B (ro) | 1983-06-30 |
IL47083A0 (en) | 1975-06-25 |
FI751145A (xx) | 1975-10-18 |
RO72847A (ro) | 1983-07-07 |
IT1044793B (it) | 1980-04-21 |
LU72297A1 (xx) | 1975-08-20 |
ZA752432B (en) | 1976-09-29 |
DE2516623A1 (de) | 1975-10-23 |
ES436627A1 (es) | 1977-05-01 |
SE7504342L (sv) | 1975-10-20 |
NO751362L (xx) | 1975-10-20 |
JPS50137981A (xx) | 1975-11-01 |
IN142206B (xx) | 1977-06-11 |
DK165975A (da) | 1975-10-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |