JPS54141776A - Manufacture of chromonee22carboxyic acid - Google Patents
Manufacture of chromonee22carboxyic acidInfo
- Publication number
- JPS54141776A JPS54141776A JP4811879A JP4811879A JPS54141776A JP S54141776 A JPS54141776 A JP S54141776A JP 4811879 A JP4811879 A JP 4811879A JP 4811879 A JP4811879 A JP 4811879A JP S54141776 A JPS54141776 A JP S54141776A
- Authority
- JP
- Japan
- Prior art keywords
- manufacture
- acid
- 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.)
- Pending
Links
- 239000002253 acid Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
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)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1558678 | 1978-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS54141776A true JPS54141776A (en) | 1979-11-05 |
Family
ID=10061792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4811879A Pending JPS54141776A (en) | 1978-04-20 | 1979-04-20 | Manufacture of chromonee22carboxyic acid |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS54141776A (da) |
| CA (1) | CA1140140A (da) |
| DK (1) | DK158979A (da) |
| ES (1) | ES479710A1 (da) |
| FI (1) | FI791231A7 (da) |
| NO (1) | NO791298L (da) |
| PT (1) | PT69519A (da) |
| SE (1) | SE7903345L (da) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6242981A (ja) * | 1985-08-16 | 1987-02-24 | Kyoto Yakuhin Kogyo Kk | クロモグリク酸誘導体および抗アレルギ−剤 |
-
1979
- 1979-04-17 SE SE7903345A patent/SE7903345L/xx not_active Application Discontinuation
- 1979-04-17 FI FI791231A patent/FI791231A7/fi not_active Application Discontinuation
- 1979-04-18 DK DK158979A patent/DK158979A/da not_active IP Right Cessation
- 1979-04-19 ES ES479710A patent/ES479710A1/es not_active Expired
- 1979-04-19 CA CA000326057A patent/CA1140140A/en not_active Expired
- 1979-04-19 PT PT69519A patent/PT69519A/pt unknown
- 1979-04-19 NO NO791298A patent/NO791298L/no unknown
- 1979-04-20 JP JP4811879A patent/JPS54141776A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6242981A (ja) * | 1985-08-16 | 1987-02-24 | Kyoto Yakuhin Kogyo Kk | クロモグリク酸誘導体および抗アレルギ−剤 |
Also Published As
| Publication number | Publication date |
|---|---|
| FI791231A7 (fi) | 1981-01-01 |
| ES479710A1 (es) | 1980-08-16 |
| NO791298L (no) | 1979-10-23 |
| SE7903345L (sv) | 1979-10-21 |
| PT69519A (en) | 1979-05-01 |
| CA1140140A (en) | 1983-01-25 |
| DK158979A (da) | 1979-10-21 |
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