BE797346A - Procede de preparation de 1-hydroxy-2-pyridones - Google Patents

Procede de preparation de 1-hydroxy-2-pyridones

Info

Publication number
BE797346A
BE797346A BE129278A BE129278A BE797346A BE 797346 A BE797346 A BE 797346A BE 129278 A BE129278 A BE 129278A BE 129278 A BE129278 A BE 129278A BE 797346 A BE797346 A BE 797346A
Authority
BE
Belgium
Prior art keywords
pyridones
hydroxy
preparing
Prior art date
Application number
BE129278A
Other languages
English (en)
French (fr)
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/de
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of BE797346A publication Critical patent/BE797346A/xx

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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Medicinal Preparation (AREA)
BE129278A 1972-03-25 1973-03-26 Procede de preparation de 1-hydroxy-2-pyridones BE797346A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722214608 DE2214608C3 (de) 1972-03-25 Verfahren zur Herstellung von J-Hydroxy-2-pyridonen

Publications (1)

Publication Number Publication Date
BE797346A true BE797346A (fr) 1973-09-26

Family

ID=5840130

Family Applications (1)

Application Number Title Priority Date Filing Date
BE129278A BE797346A (fr) 1972-03-25 1973-03-26 Procede de preparation de 1-hydroxy-2-pyridones

Country Status (27)

Country Link
JP (1) JPS5233B2 (xx)
KR (1) KR780000095B1 (xx)
AR (1) AR219038A1 (xx)
AT (1) AT327190B (xx)
BE (1) BE797346A (xx)
BG (2) BG22814A3 (xx)
CA (1) CA979449A (xx)
CH (1) CH579050A5 (xx)
CS (1) CS183686B2 (xx)
DD (1) DD105612A5 (xx)
DK (1) DK139966C (xx)
EG (1) EG10850A (xx)
ES (1) ES412847A1 (xx)
FI (1) FI55331C (xx)
FR (1) FR2177963B1 (xx)
GB (1) GB1416397A (xx)
HU (1) HU166579B (xx)
MY (1) MY7800114A (xx)
NL (1) NL175177C (xx)
NO (1) NO139861C (xx)
PH (1) PH9480A (xx)
PL (1) PL91738B1 (xx)
RO (1) RO62622A (xx)
SE (1) SE383151B (xx)
SU (1) SU468418A3 (xx)
YU (1) YU35583B (xx)
ZA (1) ZA732042B (xx)

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
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
US5817825A (en) * 1994-11-02 1998-10-06 Hoechst Aktiengesellschaft Process for the preparation of 1-hydroxy-2-pyridones
WO2004078727A1 (ja) * 2003-02-05 2004-09-16 Nippon Soda Co., Ltd. 新規６－フルオロアルキル－２（１ｈ）－ピリジノン、６－フルオロアルキルピリジン化合物及びその製造方法
CN112351970A (zh) * 2018-05-30 2021-02-09 科莱恩国际有限公司 2-羟基吡啶-1-氧化物或其衍生物的形成方法
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
CA979449A (en) 1975-12-09
ES412847A1 (es) 1976-01-01
SE383151B (sv) 1976-03-01
FR2177963A1 (xx) 1973-11-09
DE2214608A1 (de) 1973-10-04
YU78473A (en) 1980-09-25
RO62622A (fr) 1978-05-15
PL91738B1 (xx) 1977-03-31
NL7303870A (xx) 1973-09-27
NO139861B (no) 1979-02-12
ATA262473A (de) 1975-04-15
NL175177B (nl) 1984-05-01
KR780000095B1 (en) 1978-04-08
DE2214608B2 (de) 1977-03-31
FI55331B (fi) 1979-03-30
GB1416397A (en) 1975-12-03
DK139966B (da) 1979-05-28
EG10850A (en) 1976-06-30
NL175177C (nl) 1984-10-01
SU468418A3 (ru) 1975-04-25
AU5363073A (en) 1974-09-26
JPS495976A (xx) 1974-01-19
BG22814A3 (bg) 1977-04-20
CH579050A5 (xx) 1976-08-31
JPS5233B2 (xx) 1977-01-05
FR2177963B1 (xx) 1976-11-05
DK139966C (da) 1979-11-05
AR219038A1 (es) 1980-07-31
CS183686B2 (en) 1978-07-31
YU35583B (en) 1981-04-30
DD105612A5 (xx) 1974-05-05
NO139861C (no) 1979-05-23
ZA732042B (en) 1974-01-30
PH9480A (en) 1976-01-08
HU166579B (xx) 1975-04-28
BG22817A3 (bg) 1977-04-20
MY7800114A (en) 1978-12-31
FI55331C (fi) 1979-07-10
AT327190B (de) 1976-01-26

Similar Documents

Publication Publication Date Title
BE799033A (fr) Procede de preparation de solutions de polyurethane-urees,
BE799029A (fr) Procede de preparation de solutions de polyurethane-urees,
BE807427A (fr) Procede de preparation de cetones insaturees
BE799532A (fr) Procede de preparation de thiocarbamylsulfenamides,
BE797346A (fr) Procede de preparation de 1-hydroxy-2-pyridones
BE784737A (fr) Procede de preparation de n-arylurees
BE803724A (fr) Procede de preparation de diphenols
BE796813A (fr) Procede de preparation de perfluoroalkylesters
BE805635A (fr) Procede de preparation de thiazolsulfenamides
BE807415A (fr) Procede de preparation de pigments disazoiques
BE796448A (fr) Procede de preparation de la 4-nitrosodiphenylamine
BE807056A (fr) Procede de preparation de dialkylphosphines
BE804709A (fr) Procede de preparation du 1,4-diacetoxybutane
BE801697A (fr) Procede de preparation des benzyl-monocetals
BE807204A (fr) Procede de preparation de thiazolsulfenamides
BE804528A (fr) Procede de preparation de trans-chrysanthemates d'almyle
BE800375A (fr) Procede de preparation du 3-nitro-4-amino-toluene
BE794066A (fr) Procede de preparation de 2-mercapto-benzimidazol
BE803370A (fr) Procede de preparation d'amino-anthraquinones
BE785780A (fr) Procede de preparation de 6-hydroxy-dihydro-uraciles
BE801944A (fr) Procede de preparation de la 1-nitro-anthraquinone
BE804619A (fr) Procede de preparation d'halophenoxynitrobenzoates
BE795942A (fr) Procede de preparation des 2-hydroxy-4-alcoxy-benzophenones
BE805298A (fr) Procede de preparation de mono-malonates
BE802112A (fr) Procede de preparation de composes diazoiques

Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: FARBWERKE HOECHST A.G. VORMALS MEISTER LUCIUS & B

Effective date: 19930326