NL61550C - - Google Patents
Info
- Publication number
- NL61550C NL61550C NL61550DA NL61550C NL 61550 C NL61550 C NL 61550C NL 61550D A NL61550D A NL 61550DA NL 61550 C NL61550 C NL 61550C
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH258712T | 1946-02-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL61550C true NL61550C (es) |
Family
ID=4472772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL61550D NL61550C (es) | 1946-02-20 |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH258712A (es) |
NL (1) | NL61550C (es) |
-
0
- NL NL61550D patent/NL61550C/xx active
-
1946
- 1946-02-20 CH CH258712D patent/CH258712A/de unknown
Also Published As
Publication number | Publication date |
---|---|
CH258712A (de) | 1948-12-15 |