NL83048C - - Google Patents
Info
- Publication number
- NL83048C NL83048C NL83048DA NL83048C NL 83048 C NL83048 C NL 83048C NL 83048D A NL83048D A NL 83048DA NL 83048 C NL83048 C NL 83048C
- Authority
- NL
- Netherlands
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
- C07D311/42—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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES28227A DE948507C (en) | 1952-04-22 | 1952-04-22 | Process for the preparation of 3- (ª ‡ -phenyl-ª ‰ -acetyl-ethyl) -4-oxycoumarin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL83048C true NL83048C (en) |
Family
ID=7479370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL83048D NL83048C (en) | 1952-04-22 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE948507C (en) |
| NL (1) | NL83048C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5696274A (en) * | 1995-12-28 | 1997-12-09 | Hoechst Celanese Corporation | Syntheses based on 2-hydroxyacetophenone |
Family Cites Families (1)
| 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 |
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0
- NL NL83048D patent/NL83048C/xx active
-
1952
- 1952-04-22 DE DES28227A patent/DE948507C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE948507C (en) | 1956-09-06 |