JPS4994674A - - Google Patents
Info
- Publication number
- JPS4994674A JPS4994674A JP13887373A JP13887373A JPS4994674A JP S4994674 A JPS4994674 A JP S4994674A JP 13887373 A JP13887373 A JP 13887373A JP 13887373 A JP13887373 A JP 13887373A JP S4994674 A JPS4994674 A JP S4994674A
- Authority
- JP
- Japan
- 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.)
- Pending
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
-
- 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
- C07D311/78—Ring systems having three or more relevant rings
- C07D311/92—Naphthopyrans; Hydrogenated naphthopyrans
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
- Plural Heterocyclic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5790172A GB1447479A (en) | 1972-12-15 | 1972-12-15 | Chromone carboxamido tetrazoles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4994674A true JPS4994674A (enrdf_load_stackoverflow) | 1974-09-09 |
Family
ID=10480319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13887373A Pending JPS4994674A (enrdf_load_stackoverflow) | 1972-12-15 | 1973-12-14 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4994674A (enrdf_load_stackoverflow) |
| DE (1) | DE2361216A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2210404B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1447479A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10256182A1 (de) * | 2002-12-02 | 2004-06-24 | Merck Patent Gmbh | 2-Oxadiazolchromonderivate |
| DE10256174A1 (de) * | 2002-12-02 | 2004-06-09 | Merck Patent Gmbh | 2-Benzoylchromonderivate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA960223A (en) * | 1970-02-05 | 1974-12-31 | Mervyn E. Peel | Tetrazolyl chromones |
| BE789822A (fr) * | 1971-10-08 | 1973-04-06 | Allen & Hanburys Ltd | Nouveaux composes heterocycliques |
-
1972
- 1972-12-15 GB GB5790172A patent/GB1447479A/en not_active Expired
-
1973
- 1973-12-08 DE DE19732361216 patent/DE2361216A1/de active Pending
- 1973-12-14 FR FR7344702A patent/FR2210404B1/fr not_active Expired
- 1973-12-14 JP JP13887373A patent/JPS4994674A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2210404A1 (enrdf_load_stackoverflow) | 1974-07-12 |
| GB1447479A (en) | 1976-08-25 |
| DE2361216A1 (de) | 1974-06-27 |
| FR2210404B1 (enrdf_load_stackoverflow) | 1977-09-02 |