NL80964C - - Google Patents
Info
- Publication number
- NL80964C NL80964C NL80964DA NL80964C NL 80964 C NL80964 C NL 80964C NL 80964D A NL80964D A NL 80964DA NL 80964 C NL80964 C NL 80964C
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D407/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00
- C07D407/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings
- C07D407/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- 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)
- Plural Heterocyclic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES27561A DE947164C (de) | 1952-03-08 | 1952-03-08 | Verfahren zur Herstellung von in 3-Stellung substituierten 4-Oxycumarinen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL80964C true NL80964C (US06573293-20030603-C00184.png) |
Family
ID=7479138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL80964D NL80964C (US06573293-20030603-C00184.png) | 1952-03-08 |
Country Status (5)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2872457A (en) * | 1956-04-19 | 1959-02-03 | Wisconsin Alumni Res Found | Process for the preparation of 4-hydroxycoumarin derivatives |
| FR2355499A1 (fr) * | 1976-06-25 | 1978-01-20 | Rhone Poulenc Ind | Nouveau derive de l'isoindoline, sa preparation et les compositions qui le contiennent |
| IL108459A0 (en) * | 1993-02-05 | 1994-04-12 | Opjohn Company | 4-Hydroxy-benzopyran-2-ones and 4-hydroxy-cycloalkyl [B] pyran-2-ones useful for treating infections due to hiv and other retroviruses |
| IL129871A (en) * | 1994-05-06 | 2003-11-23 | Pharmacia & Upjohn Inc | Process for preparing 4-phenyl-substituted octanoyl-oxazolidin-2-one intermediates that are useful for preparing pyran-2-ones useful for treating retroviral infections |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2427578A (en) * | 1945-04-02 | 1947-09-16 | Wisconsin Alumni Res Found | 3-substituted 4-hydroxycoumarin and process of making it |
| LU30424A1 (US06573293-20030603-C00184.png) * | 1950-01-31 |
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0
- NL NL80964D patent/NL80964C/xx active
-
1952
- 1952-03-08 DE DES27561A patent/DE947164C/de not_active Expired
- 1952-08-04 FR FR1070465D patent/FR1070465A/fr not_active Expired
-
1953
- 1953-03-06 GB GB6349/53A patent/GB734142A/en not_active Expired
- 1953-03-06 CH CH316026D patent/CH316026A/de unknown
- 1953-03-06 GB GB6350/53A patent/GB734143A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE947164C (de) | 1956-08-09 |
| CH316026A (de) | 1956-09-15 |
| GB734142A (en) | 1955-07-27 |
| GB734143A (en) | 1955-07-27 |
| FR1070465A (fr) | 1954-07-27 |
