GB773824A - 4-hydroxycoumarin derivatives and the preparation thereof - Google Patents
4-hydroxycoumarin derivatives and the preparation thereofInfo
- Publication number
- GB773824A GB773824A GB3674/55A GB367455A GB773824A GB 773824 A GB773824 A GB 773824A GB 3674/55 A GB3674/55 A GB 3674/55A GB 367455 A GB367455 A GB 367455A GB 773824 A GB773824 A GB 773824A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkylmercapto
- acetal
- hydroxycoumarin
- acetals
- acetic 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.)
- Expired
Links
- VXIXUWQIVKSKSA-UHFFFAOYSA-N 4-hydroxycoumarin Chemical class C1=CC=CC2=C1OC(=O)C=C2O VXIXUWQIVKSKSA-UHFFFAOYSA-N 0.000 title abstract 5
- 238000002360 preparation method Methods 0.000 title abstract 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 125000000217 alkyl group Chemical group 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical class OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 abstract 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 abstract 1
- 230000001476 alcoholic effect Effects 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 229910052736 halogen Inorganic materials 0.000 abstract 1
- -1 halogen acetal Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 239000012429 reaction media Substances 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
- RMBAVIFYHOYIFM-UHFFFAOYSA-M sodium methanethiolate Chemical compound [Na+].[S-]C RMBAVIFYHOYIFM-UHFFFAOYSA-M 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 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
- C07D311/42—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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS335692X | 1954-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB773824A true GB773824A (en) | 1957-05-01 |
Family
ID=5452248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3674/55A Expired GB773824A (en) | 1954-02-08 | 1955-02-08 | 4-hydroxycoumarin derivatives and the preparation thereof |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2804465A (enExample) |
| BE (1) | BE535749A (enExample) |
| CH (1) | CH335692A (enExample) |
| DE (1) | DE1018876B (enExample) |
| FR (1) | FR1161332A (enExample) |
| GB (1) | GB773824A (enExample) |
| NL (1) | NL88205C (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL281975A (enExample) * | 1961-08-12 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH263422A (de) * | 1945-11-06 | 1949-08-31 | Spofa Spojene Farmaceuticke Z | Verfahren zur Herstellung eines Derivates der Benzotetronsäure. |
-
0
- NL NL88205D patent/NL88205C/xx active
- BE BE535749D patent/BE535749A/xx unknown
-
1955
- 1955-01-24 DE DES42416A patent/DE1018876B/de active Pending
- 1955-02-03 CH CH335692D patent/CH335692A/de unknown
- 1955-02-05 FR FR1161332D patent/FR1161332A/fr not_active Expired
- 1955-02-07 US US486728A patent/US2804465A/en not_active Expired - Lifetime
- 1955-02-08 GB GB3674/55A patent/GB773824A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH335692A (de) | 1959-01-31 |
| FR1161332A (fr) | 1958-08-26 |
| DE1018876B (de) | 1957-11-07 |
| BE535749A (enExample) | |
| US2804465A (en) | 1957-08-27 |
| NL88205C (enExample) |
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