DK116736B - Fremgangsmåde til fremstilling af 5-chlor-2,3-pyridindiol. - Google Patents
Fremgangsmåde til fremstilling af 5-chlor-2,3-pyridindiol.Info
- Publication number
- DK116736B DK116736B DK436567AA DK436567A DK116736B DK 116736 B DK116736 B DK 116736B DK 436567A A DK436567A A DK 436567AA DK 436567 A DK436567 A DK 436567A DK 116736 B DK116736 B DK 116736B
- Authority
- DK
- Denmark
- Prior art keywords
- pyridinediol
- chloro
- preparation
- Prior art date
Links
- AJGLCXBDYCEVIE-UHFFFAOYSA-N 5-chloro-3-hydroxy-1h-pyridin-2-one Chemical compound OC1=CC(Cl)=CN=C1O AJGLCXBDYCEVIE-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/34—Monoazo dyes prepared by diazotising and coupling from other coupling components
- C09B29/36—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
- C09B29/3604—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom
- C09B29/3617—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom
- C09B29/3621—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom from a pyridine ring
- C09B29/3626—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom from a pyridine ring from a pyridine ring containing one or more hydroxyl groups (or = O)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1263766A CH471782A (de) | 1966-08-31 | 1966-08-31 | Verfahren zur Herstellung eines neuen, substituierten 2,3-Pyridindiols |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK116736B true DK116736B (da) | 1970-02-09 |
Family
ID=4384966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK436567AA DK116736B (da) | 1966-08-31 | 1967-08-30 | Fremgangsmåde til fremstilling af 5-chlor-2,3-pyridindiol. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3471506A (da) |
| CH (1) | CH471782A (da) |
| DK (1) | DK116736B (da) |
| GB (1) | GB1190228A (da) |
| SE (1) | SE343301B (da) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH561757A5 (da) * | 1970-04-23 | 1975-05-15 | Ciba Geigy Ag | |
| US4065254A (en) * | 1972-06-26 | 1977-12-27 | Ciba-Geigy Corporation | Process for dyeing and printing |
| DE3148651A1 (de) * | 1981-12-09 | 1983-07-21 | Henkel Kgaa | "haarfaerbemittel, enthaltend 5-halo-2,3-pyridindiole als kupplerkomponente" |
| CN101830845A (zh) * | 2010-05-28 | 2010-09-15 | 南京大唐医药科技有限公司 | 5-氯-2,3-二羟基吡啶的合成方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2583425A (en) * | 1949-12-17 | 1952-01-22 | Standard Oil Dev Co | Fungicidal compositions containing chlorinated isophorone |
-
1966
- 1966-08-31 CH CH1263766A patent/CH471782A/de not_active IP Right Cessation
-
1967
- 1967-08-28 US US663569A patent/US3471506A/en not_active Expired - Lifetime
- 1967-08-30 DK DK436567AA patent/DK116736B/da unknown
- 1967-08-30 SE SE12019/67A patent/SE343301B/xx unknown
- 1967-08-30 GB GB39657/67A patent/GB1190228A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1190228A (en) | 1970-04-29 |
| DE1695035A1 (de) | 1971-04-08 |
| SE343301B (sv) | 1972-03-06 |
| CH471782A (de) | 1969-04-30 |
| DE1695035B2 (de) | 1975-10-23 |
| US3471506A (en) | 1969-10-07 |
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