NL88208C - - Google Patents
Info
- Publication number
- NL88208C NL88208C NL88208DA NL88208C NL 88208 C NL88208 C NL 88208C NL 88208D A NL88208D A NL 88208DA NL 88208 C NL88208 C NL 88208C
- Authority
- NL
- Netherlands
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
- C07D311/42—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4
- C07D311/44—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3
- C07D311/46—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring
- C07D311/48—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring with two such benzopyran radicals linked together by a carbon chain
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS331995X | 1954-04-27 | ||
CS280454X | 1954-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL88208C true NL88208C (xx) |
Family
ID=25746748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL88208D NL88208C (xx) | 1954-04-27 |
Country Status (7)
Country | Link |
---|---|
US (1) | US2789937A (xx) |
BE (1) | BE535242A (xx) |
CH (1) | CH331995A (xx) |
DE (1) | DE964327C (xx) |
FR (1) | FR1199205A (xx) |
GB (1) | GB777754A (xx) |
NL (1) | NL88208C (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL98236C (xx) * | 1956-03-10 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH236350A (de) * | 1942-09-14 | 1945-01-31 | Hoffmann La Roche | Verfahren zur Darstellung eines Cumarinabkömmlings. |
-
0
- BE BE535242D patent/BE535242A/xx unknown
- NL NL88208D patent/NL88208C/xx active
-
1955
- 1955-01-22 DE DES42380A patent/DE964327C/de not_active Expired
- 1955-02-02 GB GB3089/55A patent/GB777754A/en not_active Expired
- 1955-02-07 CH CH331995D patent/CH331995A/de unknown
- 1955-02-14 US US488166A patent/US2789937A/en not_active Expired - Lifetime
- 1955-02-19 FR FR1199205D patent/FR1199205A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2789937A (en) | 1957-04-23 |
FR1199205A (fr) | 1959-12-11 |
GB777754A (en) | 1957-06-26 |
BE535242A (xx) | |
DE964327C (de) | 1957-05-23 |
CH331995A (de) | 1958-08-15 |