FR2475553B1 - - Google Patents
Info
- Publication number
- FR2475553B1 FR2475553B1 FR8002696A FR8002696A FR2475553B1 FR 2475553 B1 FR2475553 B1 FR 2475553B1 FR 8002696 A FR8002696 A FR 8002696A FR 8002696 A FR8002696 A FR 8002696A FR 2475553 B1 FR2475553 B1 FR 2475553B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/10—Spiro-condensed systems
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1804—Compounds having Si-O-C linkages
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8002696A FR2475553A1 (fr) | 1980-02-07 | 1980-02-07 | Nouvelles spiro(4h-2,3-dihydrobenzopyranne(4,5')-oxazolidine)-2'-ones, utiles comme intermediaires chimiques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8002696A FR2475553A1 (fr) | 1980-02-07 | 1980-02-07 | Nouvelles spiro(4h-2,3-dihydrobenzopyranne(4,5')-oxazolidine)-2'-ones, utiles comme intermediaires chimiques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2475553A1 FR2475553A1 (fr) | 1981-08-14 |
| FR2475553B1 true FR2475553B1 (enExample) | 1983-05-20 |
Family
ID=9238324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8002696A Granted FR2475553A1 (fr) | 1980-02-07 | 1980-02-07 | Nouvelles spiro(4h-2,3-dihydrobenzopyranne(4,5')-oxazolidine)-2'-ones, utiles comme intermediaires chimiques |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2475553A1 (enExample) |
-
1980
- 1980-02-07 FR FR8002696A patent/FR2475553A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2475553A1 (fr) | 1981-08-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse | ||
| AR | Application made for restoration | ||
| BR | Restoration of rights | ||
| ST | Notification of lapse |