GB734823A - Improvements in or relating to coumarin derivatives and the process for the manufacture of these derivatives - Google Patents
Improvements in or relating to coumarin derivatives and the process for the manufacture of these derivativesInfo
- Publication number
- GB734823A GB734823A GB23556/53A GB2355653A GB734823A GB 734823 A GB734823 A GB 734823A GB 23556/53 A GB23556/53 A GB 23556/53A GB 2355653 A GB2355653 A GB 2355653A GB 734823 A GB734823 A GB 734823A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chlorophenyl
- alkyl
- malonic acid
- propyl
- alkali metal
- 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
- 150000001893 coumarin derivatives Chemical class 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- -1 malonic acid diester Chemical class 0.000 abstract 5
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract 4
- 229910052783 alkali metal Inorganic materials 0.000 abstract 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 abstract 2
- 150000001340 alkali metals Chemical class 0.000 abstract 2
- VXIXUWQIVKSKSA-UHFFFAOYSA-N benzotetronic acid Natural products C1=CC=CC2=C1OC(=O)C=C2O VXIXUWQIVKSKSA-UHFFFAOYSA-N 0.000 abstract 2
- 150000004820 halides Chemical class 0.000 abstract 2
- AVPYQKSLYISFPO-UHFFFAOYSA-N 4-chlorobenzaldehyde Chemical compound ClC1=CC=C(C=O)C=C1 AVPYQKSLYISFPO-UHFFFAOYSA-N 0.000 abstract 1
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 abstract 1
- 229910020667 PBr3 Inorganic materials 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 125000005843 halogen group Chemical group 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- 229910001623 magnesium bromide Inorganic materials 0.000 abstract 1
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 abstract 1
- IPNPIHIZVLFAFP-UHFFFAOYSA-N phosphorus tribromide Chemical compound BrP(Br)Br IPNPIHIZVLFAFP-UHFFFAOYSA-N 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 150000003385 sodium Chemical class 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH734823X | 1952-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB734823A true GB734823A (en) | 1955-08-10 |
Family
ID=4532649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23556/53A Expired GB734823A (en) | 1952-08-26 | 1953-08-26 | Improvements in or relating to coumarin derivatives and the process for the manufacture of these derivatives |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH307810A (enrdf_load_html_response) |
| DE (1) | DE932373C (enrdf_load_html_response) |
| FR (1) | FR71920E (enrdf_load_html_response) |
| GB (1) | GB734823A (enrdf_load_html_response) |
| NL (1) | NL83336C (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3022317A (en) * | 1956-01-20 | 1962-02-20 | Geigy Chem Corp | 3-benzyl-4-hydroxycoumarin and a process for the preparation of derivatives of 3-benzyl-4-hydroxycoumarin |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1047788B (de) * | 1956-01-20 | 1958-12-31 | Geigy Ag J R | Verfahren zur Herstellung von Derivaten des 4-Oxycumarins |
-
0
- NL NL83336D patent/NL83336C/xx active
-
1952
- 1952-08-26 CH CH307810D patent/CH307810A/de unknown
-
1953
- 1953-08-07 DE DEH17324A patent/DE932373C/de not_active Expired
- 1953-08-26 GB GB23556/53A patent/GB734823A/en not_active Expired
- 1953-08-31 FR FR71920D patent/FR71920E/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3022317A (en) * | 1956-01-20 | 1962-02-20 | Geigy Chem Corp | 3-benzyl-4-hydroxycoumarin and a process for the preparation of derivatives of 3-benzyl-4-hydroxycoumarin |
Also Published As
| Publication number | Publication date |
|---|---|
| CH307810A (de) | 1955-06-15 |
| DE932373C (de) | 1955-08-29 |
| NL83336C (enrdf_load_html_response) | |
| FR71920E (fr) | 1960-03-14 |
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