AT277247B - Verfahren zur herstellung der dischwefelsaeureestersalze des 4,4'-dihydroxy-diphenyl-(2"-pyridyl)-methans - Google Patents
Verfahren zur herstellung der dischwefelsaeureestersalze des 4,4'-dihydroxy-diphenyl-(2"-pyridyl)-methansInfo
- Publication number
- AT277247B AT277247B AT03964/68A AT396467A AT277247B AT 277247 B AT277247 B AT 277247B AT 03964/68 A AT03964/68 A AT 03964/68A AT 396467 A AT396467 A AT 396467A AT 277247 B AT277247 B AT 277247B
- Authority
- AT
- Austria
- Prior art keywords
- pyridyl
- methane
- preparation
- dihydroxy
- diphenyl
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/28—Radicals substituted by singly-bound oxygen or sulphur atoms
- C07D213/30—Oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1793666A CH513167A (it) | 1966-12-14 | 1966-12-14 | Procedimento di preparazione di sali de 4,4'-disolfossi-difenil-(2-piridil)-metano |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT277247B true AT277247B (de) | 1969-12-10 |
Family
ID=4429200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT03964/68A AT277247B (de) | 1966-12-14 | 1967-04-20 | Verfahren zur herstellung der dischwefelsaeureestersalze des 4,4'-dihydroxy-diphenyl-(2"-pyridyl)-methans |
Country Status (2)
| Country | Link |
|---|---|
| AT (1) | AT277247B (enExample) |
| SE (1) | SE345663B (enExample) |
-
1967
- 1967-04-20 AT AT03964/68A patent/AT277247B/de not_active IP Right Cessation
-
1969
- 1969-06-05 SE SE7948/69A patent/SE345663B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE345663B (enExample) | 1972-06-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELA | Expired due to lapse of time |