FI50334C - Process for the preparation of 1-hydroxy-2-pyridones. - Google Patents

Process for the preparation of 1-hydroxy-2-pyridones.

Info

Publication number
FI50334C
FI50334C FI247769A FI247769A FI50334C FI 50334 C FI50334 C FI 50334C FI 247769 A FI247769 A FI 247769A FI 247769 A FI247769 A FI 247769A FI 50334 C FI50334 C FI 50334C
Authority
FI
Finland
Prior art keywords
pyridones
hydroxy
preparation
Prior art date
Application number
FI247769A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI50334B (en
Inventor
Gerhard Lohaus
Walter Dittmar
Original Assignee
Hoechst Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19681795270 external-priority patent/DE1795270C3/en
Application filed by Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of FI50334B publication Critical patent/FI50334B/fi
Publication of FI50334C publication Critical patent/FI50334C/en

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
    • C07D213/89—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 with hetero atoms directly attached to the ring nitrogen atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D221/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
    • C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
    • C07D221/04—Ortho- or peri-condensed ring systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pyridine Compounds (AREA)
  • Filters And Equalizers (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
FI247769A 1968-08-31 1969-08-27 Process for the preparation of 1-hydroxy-2-pyridones. FI50334C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681795270 DE1795270C3 (en) 1968-08-31 1-hydroxy-2-pyridone

Publications (2)

Publication Number Publication Date
FI50334B FI50334B (en) 1975-10-31
FI50334C true FI50334C (en) 1976-02-10

Family

ID=5708124

Family Applications (1)

Application Number Title Priority Date Filing Date
FI247769A FI50334C (en) 1968-08-31 1969-08-27 Process for the preparation of 1-hydroxy-2-pyridones.

Country Status (17)

Country Link
JP (1) JPS4835077B1 (en)
AT (1) AT291260B (en)
BE (1) BE738288A (en)
BR (1) BR6911968D0 (en)
CH (1) CH547284A (en)
CS (1) CS150278B2 (en)
CY (1) CY699A (en)
DK (1) DK125091B (en)
ES (1) ES371031A1 (en)
FI (1) FI50334C (en)
FR (1) FR2022146B1 (en)
GB (1) GB1238106A (en)
MY (1) MY7300458A (en)
NL (1) NL156397B (en)
NO (1) NO132197C (en)
SE (1) SE348729B (en)
YU (1) YU32990B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4185106A (en) * 1972-07-11 1980-01-22 Hoechst Aktiengesellschaft Pyridones as antidandruff agents
DE2234009C3 (en) * 1972-07-11 1979-01-11 Hoechst Ag, 6000 Frankfurt Cosmetic preparations
GB8325496D0 (en) * 1983-09-23 1983-10-26 Hider R C Pharmaceutical compositions
USRE34313E (en) * 1983-09-23 1993-07-13 National Research Development Corporation Pharmaceutical compositions
US4912118A (en) * 1983-09-23 1990-03-27 National Research Development Corporation Pharmaceutical compositions
GB8524508D0 (en) * 1985-10-04 1985-11-06 Beecham Group Plc Composition
DE3613061A1 (en) * 1986-04-18 1987-10-22 Hoechst Ag 1-Hydroxy-2-pyridones, process for their preparation and medicaments which contain them
FR2746015B1 (en) 1996-03-18 1998-04-24 USE OF OCTOPIROX AS A DEPIGMENTANT AGENT
DE19639816A1 (en) * 1996-09-27 1998-04-02 Hoechst Ag Antifungal agents with high drug release
WO2020169544A1 (en) * 2019-02-19 2020-08-27 Clariant International Ltd Piroctone olamine recrystallization

Also Published As

Publication number Publication date
CH547284A (en) 1974-03-29
FR2022146A1 (en) 1970-07-31
JPS4835077B1 (en) 1973-10-25
NL6912934A (en) 1970-03-03
SE348729B (en) 1972-09-11
CS150278B2 (en) 1973-09-04
BR6911968D0 (en) 1973-04-19
ES371031A1 (en) 1972-01-01
YU221069A (en) 1975-06-30
BE738288A (en) 1970-03-02
YU32990B (en) 1975-12-31
NO132197B (en) 1975-06-23
DE1795270A1 (en) 1971-12-30
AT291260B (en) 1971-07-12
CY699A (en) 1973-09-05
GB1238106A (en) 1971-07-07
NL156397B (en) 1978-04-17
DE1795270B2 (en) 1976-03-18
DK125091B (en) 1972-12-27
FR2022146B1 (en) 1973-06-08
NO132197C (en) 1975-10-01
FI50334B (en) 1975-10-31
MY7300458A (en) 1973-12-31

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