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BG22817A3 - METHOD FOR OBTAINING 1-HYDROXY-2-PYRIDONES - Google Patents

METHOD FOR OBTAINING 1-HYDROXY-2-PYRIDONES

Info

Publication number
BG22817A3
BG22817A3 BG023052A BG2305273A BG22817A3 BG 22817 A3 BG22817 A3 BG 22817A3 BG 023052 A BG023052 A BG 023052A BG 2305273 A BG2305273 A BG 2305273A BG 22817 A3 BG22817 A3 BG 22817A3
Authority
BG
Bulgaria
Prior art keywords
pyridones
hydroxy
obtaining
Prior art date
Application number
BG023052A
Other languages
Bulgarian (bg)
Inventor
Hoechst Aktiengesellschaft
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 BG22817A3 publication Critical patent/BG22817A3/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic 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
    • C07D213/02Heterocyclic 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
    • C07D213/89Heterocyclic 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04Antibacterial agents
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D221/00Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
    • C07D221/02Heterocyclic 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
    • C07D221/04Ortho- or peri-condensed ring systems
    • C07D221/06Ring systems of three rings
    • C07D221/10Aza-phenanthrenes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D221/00Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
    • C07D221/02Heterocyclic 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
    • C07D221/20Spiro-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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Communicable Diseases (AREA)
  • Animal Behavior & Ethology (AREA)
  • Oncology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pyridine Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Medicinal Preparation (AREA)
BG023052A 1972-03-25 1973-03-21 METHOD FOR OBTAINING 1-HYDROXY-2-PYRIDONES BG22817A3 (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
BG22817A3 true BG22817A3 (en) 1977-04-20

Family

ID=5840130

Family Applications (2)

Application Number Title Priority Date Filing Date
BG025589A BG22814A3 (en) 1972-03-25 1973-03-21 METHOD FOR OBTAINING 1-HYDROXY -2- PYRIDONES
BG023052A BG22817A3 (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
BG025589A BG22814A3 (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) BG22814A3 (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
USRE34313E (en) * 1983-09-23 1993-07-13 National Research Development Corporation Pharmaceutical compositions
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
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
WO2019228988A1 (en) * 2018-05-30 2019-12-05 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
DK139966B (en) 1979-05-28
BG22814A3 (en) 1977-04-20
RO62622A (en) 1978-05-15
NL7303870A (en) 1973-09-27
YU35583B (en) 1981-04-30
AU5363073A (en) 1974-09-26
CH579050A5 (en) 1976-08-31
DK139966C (en) 1979-11-05
AT327190B (en) 1976-01-26
BE797346A (en) 1973-09-26
GB1416397A (en) 1975-12-03
CA979449A (en) 1975-12-09
PL91738B1 (en) 1977-03-31
ATA262473A (en) 1975-04-15
SU468418A3 (en) 1975-04-25
EG10850A (en) 1976-06-30
NL175177B (en) 1984-05-01
FI55331C (en) 1979-07-10
FI55331B (en) 1979-03-30
DE2214608A1 (en) 1973-10-04
NL175177C (en) 1984-10-01
NO139861B (en) 1979-02-12
ES412847A1 (en) 1976-01-01
NO139861C (en) 1979-05-23
FR2177963B1 (en) 1976-11-05
CS183686B2 (en) 1978-07-31
DD105612A5 (en) 1974-05-05
PH9480A (en) 1976-01-08
FR2177963A1 (en) 1973-11-09
AR219038A1 (en) 1980-07-31
HU166579B (en) 1975-04-28
ZA732042B (en) 1974-01-30
JPS5233B2 (en) 1977-01-05
YU78473A (en) 1980-09-25
MY7800114A (en) 1978-12-31
KR780000095B1 (en) 1978-04-08
JPS495976A (en) 1974-01-19
DE2214608B2 (en) 1977-03-31
SE383151B (en) 1976-03-01

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