BG22814A3 - METHOD FOR OBTAINING 1-HYDROXY -2- PYRIDONES - Google Patents

METHOD FOR OBTAINING 1-HYDROXY -2- PYRIDONES

Info

Publication number
BG22814A3
BG22814A3 BG025589A BG2558973A BG22814A3 BG 22814 A3 BG22814 A3 BG 22814A3 BG 025589 A BG025589 A BG 025589A BG 2558973 A BG2558973 A BG 2558973A BG 22814 A3 BG22814 A3 BG 22814A3
Authority
BG
Bulgaria
Prior art keywords
pyridones
hydroxy
obtaining
Prior art date
Application number
BG025589A
Other languages
Bulgarian (bg)
Inventor
Z Z
Original Assignee
Hoechst Aktiengesellschaft
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 Aktiengesellschaft filed Critical Hoechst Aktiengesellschaft
Publication of BG22814A3 publication Critical patent/BG22814A3/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)
  • Communicable Diseases (AREA)
  • Oncology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (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)
BG025589A 1972-03-25 1973-03-21 METHOD FOR OBTAINING 1-HYDROXY -2- PYRIDONES BG22814A3 (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 (1)

Publication Number Publication Date
BG22814A3 true BG22814A3 (en) 1977-04-20

Family

ID=5840130

Family Applications (2)

Application Number Title Priority Date Filing Date
BG023052A BG22817A3 (en) 1972-03-25 1973-03-21 METHOD FOR OBTAINING 1-HYDROXY-2-PYRIDONES
BG025589A BG22814A3 (en) 1972-03-25 1973-03-21 METHOD FOR OBTAINING 1-HYDROXY -2- PYRIDONES

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BG023052A BG22817A3 (en) 1972-03-25 1973-03-21 METHOD FOR OBTAINING 1-HYDROXY-2-PYRIDONES

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
US4912118A (en) * 1983-09-23 1990-03-27 National Research Development Corporation Pharmaceutical compositions
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
US5817825A (en) * 1994-11-02 1998-10-06 Hoechst Aktiengesellschaft Process for the preparation of 1-hydroxy-2-pyridones
JP4556241B2 (en) * 2003-02-05 2010-10-06 日本曹達株式会社 Novel 6-fluoroalkyl-2 (1H) -pyridinone, 6-fluoroalkylpyridine compound and process for producing the same
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
ES412847A1 (en) 1976-01-01
YU35583B (en) 1981-04-30
PL91738B1 (en) 1977-03-31
DE2214608B2 (en) 1977-03-31
CA979449A (en) 1975-12-09
BG22817A3 (en) 1977-04-20
SU468418A3 (en) 1975-04-25
CS183686B2 (en) 1978-07-31
YU78473A (en) 1980-09-25
FR2177963B1 (en) 1976-11-05
BE797346A (en) 1973-09-26
DK139966B (en) 1979-05-28
ZA732042B (en) 1974-01-30
AU5363073A (en) 1974-09-26
JPS495976A (en) 1974-01-19
HU166579B (en) 1975-04-28
CH579050A5 (en) 1976-08-31
NO139861B (en) 1979-02-12
FI55331C (en) 1979-07-10
RO62622A (en) 1978-05-15
FR2177963A1 (en) 1973-11-09
ATA262473A (en) 1975-04-15
DE2214608A1 (en) 1973-10-04
SE383151B (en) 1976-03-01
KR780000095B1 (en) 1978-04-08
DD105612A5 (en) 1974-05-05
AT327190B (en) 1976-01-26
AR219038A1 (en) 1980-07-31
MY7800114A (en) 1978-12-31
FI55331B (en) 1979-03-30
NO139861C (en) 1979-05-23
PH9480A (en) 1976-01-08
JPS5233B2 (en) 1977-01-05
EG10850A (en) 1976-06-30
NL7303870A (en) 1973-09-27
GB1416397A (en) 1975-12-03
DK139966C (en) 1979-11-05
NL175177C (en) 1984-10-01
NL175177B (en) 1984-05-01

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