DK139966C - PROCEDURE FOR THE PREPARATION OF 1-HYDROXY-2-PYRIDONES - Google Patents

PROCEDURE FOR THE PREPARATION OF 1-HYDROXY-2-PYRIDONES

Info

Publication number
DK139966C
DK139966C DK162073A DK162073A DK139966C DK 139966 C DK139966 C DK 139966C DK 162073 A DK162073 A DK 162073A DK 162073 A DK162073 A DK 162073A DK 139966 C DK139966 C DK 139966C
Authority
DK
Denmark
Prior art keywords
pyridones
hydroxy
procedure
preparation
Prior art date
Application number
DK162073A
Other languages
Danish (da)
Other versions
DK139966B (en
Inventor
G Lohaus
W 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 DE19722214608 external-priority patent/DE2214608C3/en
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of DK139966B publication Critical patent/DK139966B/en
Application granted granted Critical
Publication of DK139966C publication Critical patent/DK139966C/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
DK162073A 1972-03-25 1973-03-23 PROCEDURE FOR THE PREPARATION OF 1-HYDROXY-2-PYRIDONES DK139966C (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
DK139966B DK139966B (en) 1979-05-28
DK139966C true DK139966C (en) 1979-11-05

Family

ID=5840130

Family Applications (1)

Application Number Title Priority Date Filing Date
DK162073A DK139966C (en) 1972-03-25 1973-03-23 PROCEDURE FOR THE PREPARATION OF 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 (10)

* 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
US11753379B2 (en) * 2018-05-30 2023-09-12 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

Also Published As

Publication number Publication date
MY7800114A (en) 1978-12-31
PL91738B1 (en) 1977-03-31
SE383151B (en) 1976-03-01
FI55331C (en) 1979-07-10
BG22814A3 (en) 1977-04-20
JPS495976A (en) 1974-01-19
YU35583B (en) 1981-04-30
DD105612A5 (en) 1974-05-05
AT327190B (en) 1976-01-26
JPS5233B2 (en) 1977-01-05
YU78473A (en) 1980-09-25
RO62622A (en) 1978-05-15
AR219038A1 (en) 1980-07-31
NO139861B (en) 1979-02-12
KR780000095B1 (en) 1978-04-08
NL7303870A (en) 1973-09-27
BE797346A (en) 1973-09-26
NO139861C (en) 1979-05-23
ES412847A1 (en) 1976-01-01
CS183686B2 (en) 1978-07-31
CA979449A (en) 1975-12-09
FR2177963B1 (en) 1976-11-05
NL175177B (en) 1984-05-01
SU468418A3 (en) 1975-04-25
PH9480A (en) 1976-01-08
FR2177963A1 (en) 1973-11-09
BG22817A3 (en) 1977-04-20
CH579050A5 (en) 1976-08-31
FI55331B (en) 1979-03-30
NL175177C (en) 1984-10-01
GB1416397A (en) 1975-12-03
AU5363073A (en) 1974-09-26
DE2214608A1 (en) 1973-10-04
HU166579B (en) 1975-04-28
DE2214608B2 (en) 1977-03-31
ZA732042B (en) 1974-01-30
DK139966B (en) 1979-05-28
EG10850A (en) 1976-06-30
ATA262473A (en) 1975-04-15

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