NL5C - Werkwijze ter bereiding van w-alkylzwaveligzure zouten der aminoderivaten van pyrazolonen - Google Patents
Werkwijze ter bereiding van w-alkylzwaveligzure zouten der aminoderivaten van pyrazolonenInfo
- Publication number
- NL5C NL5C NL776A NL776A NL5C NL 5 C NL5 C NL 5C NL 776 A NL776 A NL 776A NL 776 A NL776 A NL 776A NL 5 C NL5 C NL 5C
- Authority
- NL
- Netherlands
- Prior art keywords
- pyrazolones
- preparation
- acid salts
- sulfurous acid
- amino derivatives
- Prior art date
Links
- 150000001412 amines Chemical class 0.000 title 1
- 229940051880 analgesics and antipyretics pyrazolones Drugs 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D231/18—One oxygen or sulfur atom
- C07D231/20—One oxygen atom attached in position 3 or 5
- C07D231/22—One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE5X | 1911-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL5C true NL5C (nl) | 1913-05-17 |
Family
ID=50280716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL776A NL5C (nl) | 1911-07-20 | 1912-07-17 | Werkwijze ter bereiding van w-alkylzwaveligzure zouten der aminoderivaten van pyrazolonen |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL5C (nl) |
-
1912
- 1912-07-17 NL NL776A patent/NL5C/nl active
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