ATA262473A - PROCESS FOR THE PREPARATION OF 1-HYDROXI-2-PYRIDONS - Google Patents

PROCESS FOR THE PREPARATION OF 1-HYDROXI-2-PYRIDONS

Info

Publication number
ATA262473A
ATA262473A AT262473A AT262473A ATA262473A AT A262473 A ATA262473 A AT A262473A AT 262473 A AT262473 A AT 262473A AT 262473 A AT262473 A AT 262473A AT A262473 A ATA262473 A AT A262473A
Authority
AT
Austria
Prior art keywords
pyridons
hydroxi
preparation
Prior art date
Application number
AT262473A
Other languages
German (de)
Other versions
AT327190B (en
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 DE19722214608 external-priority patent/DE2214608C3/en
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of ATA262473A publication Critical patent/ATA262473A/en
Application granted granted Critical
Publication of AT327190B publication Critical patent/AT327190B/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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04—Antibacterial agents
    • 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
    • C07D221/06—Ring systems of three rings
    • C07D221/10—Aza-phenanthrenes
    • 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
    • C07D221/20—Spiro-condensed ring systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oncology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Communicable Diseases (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pyridine Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)
AT262473A 1972-03-25 1973-03-23 PROCESS FOR THE PREPARATION OF 1-HYDROXI-2-PYRIDONS AT327190B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722214608 DE2214608C3 (en) 1972-03-25 Process for the preparation of J-hydroxy-2-pyridones

Publications (2)

Publication Number Publication Date
ATA262473A true ATA262473A (en) 1975-04-15
AT327190B AT327190B (en) 1976-01-26

Family

ID=5840130

Family Applications (1)

Application Number Title Priority Date Filing Date
AT262473A AT327190B (en) 1972-03-25 1973-03-23 PROCESS FOR THE PREPARATION OF 1-HYDROXI-2-PYRIDONS

Country Status (27)

Country Link
JP (1) JPS5233B2 (en)
KR (1) KR780000095B1 (en)
AR (1) AR219038A1 (en)
AT (1) AT327190B (en)
BE (1) BE797346A (en)
BG (2) BG22817A3 (en)
CA (1) CA979449A (en)
CH (1) CH579050A5 (en)
CS (1) CS183686B2 (en)
DD (1) DD105612A5 (en)
DK (1) DK139966C (en)
EG (1) EG10850A (en)
ES (1) ES412847A1 (en)
FI (1) FI55331C (en)
FR (1) FR2177963B1 (en)
GB (1) GB1416397A (en)
HU (1) HU166579B (en)
MY (1) MY7800114A (en)
NL (1) NL175177C (en)
NO (1) NO139861C (en)
PH (1) PH9480A (en)
PL (1) PL91738B1 (en)
RO (1) RO62622A (en)
SE (1) SE383151B (en)
SU (1) SU468418A3 (en)
YU (1) YU35583B (en)
ZA (1) ZA732042B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178242A (en) * 1975-11-11 1979-12-11 Anic S.P.A. Method for the purification of sewage waters which contain organic compounds of an anionic character
JPS5323145A (en) * 1976-07-20 1978-03-03 Kurita Water Ind Ltd Method of dehydrating sludge
JPS54144759A (en) * 1978-04-29 1979-11-12 Tobata Tekko Kk Method of decoloring waste water containing dyestuffs
GB8325496D0 (en) * 1983-09-23 1983-10-26 Hider R C Pharmaceutical compositions
US4912118A (en) * 1983-09-23 1990-03-27 National Research Development Corporation Pharmaceutical compositions
USRE34313E (en) * 1983-09-23 1993-07-13 National Research Development Corporation Pharmaceutical compositions
US5817825A (en) * 1994-11-02 1998-10-06 Hoechst Aktiengesellschaft Process for the preparation of 1-hydroxy-2-pyridones
WO2004078727A1 (en) * 2003-02-05 2004-09-16 Nippon Soda Co., Ltd. Novel 6-fluoroalkyl-2(1h)-pyridinones and 6-fluoro- alkylpyridines and processes for the production thereof
EP3802494A1 (en) * 2018-05-30 2021-04-14 Clariant International Ltd Process for forming 2-hydroxypyridine-1-oxide or derivatives thereof
EP4122918A1 (en) * 2021-07-19 2023-01-25 Clariant International Ltd Process for the preparation of n-hydroxypyridone compounds
WO2024104987A2 (en) * 2022-11-16 2024-05-23 Clariant International Ltd Process for the crystallization or precipitation of piroctone
WO2024115319A1 (en) * 2022-11-28 2024-06-06 Clariant International Ltd Process for the preparation of n-hydroxypyridone compounds

Also Published As

Publication number Publication date
BE797346A (en) 1973-09-26
JPS5233B2 (en) 1977-01-05
DK139966C (en) 1979-11-05
DE2214608B2 (en) 1977-03-31
DD105612A5 (en) 1974-05-05
ZA732042B (en) 1974-01-30
GB1416397A (en) 1975-12-03
SU468418A3 (en) 1975-04-25
AR219038A1 (en) 1980-07-31
MY7800114A (en) 1978-12-31
HU166579B (en) 1975-04-28
RO62622A (en) 1978-05-15
AU5363073A (en) 1974-09-26
ES412847A1 (en) 1976-01-01
DE2214608A1 (en) 1973-10-04
YU35583B (en) 1981-04-30
BG22814A3 (en) 1977-04-20
EG10850A (en) 1976-06-30
PH9480A (en) 1976-01-08
FI55331C (en) 1979-07-10
NL7303870A (en) 1973-09-27
KR780000095B1 (en) 1978-04-08
BG22817A3 (en) 1977-04-20
CA979449A (en) 1975-12-09
FR2177963B1 (en) 1976-11-05
CH579050A5 (en) 1976-08-31
JPS495976A (en) 1974-01-19
NL175177B (en) 1984-05-01
DK139966B (en) 1979-05-28
NO139861C (en) 1979-05-23
PL91738B1 (en) 1977-03-31
AT327190B (en) 1976-01-26
SE383151B (en) 1976-03-01
NO139861B (en) 1979-02-12
FI55331B (en) 1979-03-30
YU78473A (en) 1980-09-25
NL175177C (en) 1984-10-01
FR2177963A1 (en) 1973-11-09
CS183686B2 (en) 1978-07-31

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee