DE302838C - - Google Patents
Info
- Publication number
- DE302838C DE302838C DENDAT302838D DE302838DA DE302838C DE 302838 C DE302838 C DE 302838C DE NDAT302838 D DENDAT302838 D DE NDAT302838D DE 302838D A DE302838D A DE 302838DA DE 302838 C DE302838 C DE 302838C
- Authority
- DE
- Germany
- Prior art keywords
- acid
- thiophene
- phosphorus pentoxide
- anhydride
- metaphosphoric
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/22—Radicals substituted by doubly bound hetero atoms, or by two hetero atoms other than halogen singly bound to the same carbon atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE302838T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE302838C true DE302838C (enrdf_load_stackoverflow) |
Family
ID=32997331
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT302838D Active DE302838C (enrdf_load_stackoverflow) | |||
| DENDAT297203D Active DE297203C (enrdf_load_stackoverflow) |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT297203D Active DE297203C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE297203C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT302838D patent/DE302838C/de active Active
- DE DENDAT297203D patent/DE297203C/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE297203C (enrdf_load_stackoverflow) |
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