DK326086D0 - 3-HALOGEN-6-HYDROXY-2H-PYRANE-3 (6H) -ON COMPOUNDS FOR USING SOME INTERMEDIATES IN THE PRODUCTION OF GAMMA PYRONS AND PROCEDURES FOR THE PRODUCTION OF INTERMEDIATE PRODUCTS - Google Patents

3-HALOGEN-6-HYDROXY-2H-PYRANE-3 (6H) -ON COMPOUNDS FOR USING SOME INTERMEDIATES IN THE PRODUCTION OF GAMMA PYRONS AND PROCEDURES FOR THE PRODUCTION OF INTERMEDIATE PRODUCTS

Info

Publication number
DK326086D0
DK326086D0 DK326086A DK326086A DK326086D0 DK 326086 D0 DK326086 D0 DK 326086D0 DK 326086 A DK326086 A DK 326086A DK 326086 A DK326086 A DK 326086A DK 326086 D0 DK326086 D0 DK 326086D0
Authority
DK
Denmark
Prior art keywords
production
pyrons
pyrane
intermediates
gamma
Prior art date
Application number
DK326086A
Other languages
Danish (da)
Other versions
DK326086A (en
DK153401C (en
DK153401B (en
Inventor
Thomas Mott Brennan
Daniel Patrick Brannegan
Paul Douglas Weeks
Donald Ernest Kuhla
Original Assignee
Pfizer
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 US05/721,885 external-priority patent/US4082717A/en
Application filed by Pfizer filed Critical Pfizer
Publication of DK326086A publication Critical patent/DK326086A/en
Publication of DK326086D0 publication Critical patent/DK326086D0/en
Publication of DK153401B publication Critical patent/DK153401B/en
Application granted granted Critical
Publication of DK153401C publication Critical patent/DK153401C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/32—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/34—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D309/36—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
    • C07D309/40—Oxygen atoms attached in positions 3 and 4, e.g. maltol

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Pyrane Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyridine Compounds (AREA)
  • Cosmetics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Furan Compounds (AREA)
  • Picture Signal Circuits (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Processing Of Color Television Signals (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Control Of El Displays (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Seasonings (AREA)
DK326086A 1976-08-02 1986-07-09 4-HALOGEN-6-HYDROXY-2H-PYRANE-3 (6H) -ON COMPOUNDS FOR USE AS INTERMEDIATES IN THE PRODUCTION OF GAMMA PYRONS AND PROCEDURES FOR THE PRODUCTION OF INTERMEDIATE PRODUCTS DK153401C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US71090176A 1976-08-02 1976-08-02
US71090176 1976-08-02
US05/721,885 US4082717A (en) 1976-08-02 1976-09-09 Preparation of gamma-pyrones
US72188576 1976-09-09
DK276177 1977-06-22
DK276177A DK153483C (en) 1976-08-02 1977-06-22 PROCEDURE FOR MANUFACTURING GAMMA PYRONS

Publications (4)

Publication Number Publication Date
DK326086A DK326086A (en) 1986-07-09
DK326086D0 true DK326086D0 (en) 1986-07-09
DK153401B DK153401B (en) 1988-07-11
DK153401C DK153401C (en) 1988-11-28

Family

ID=27108548

Family Applications (4)

Application Number Title Priority Date Filing Date
DK276177A DK153483C (en) 1976-08-02 1977-06-22 PROCEDURE FOR MANUFACTURING GAMMA PYRONS
DK325986A DK153484C (en) 1976-08-02 1986-07-09 PROCEDURE FOR MANUFACTURING GAMMA PYRONS
DK326186A DK154079C (en) 1976-08-02 1986-07-09 METHOD OF PREPARING 4-HALOGEN-2H-PYRANE-3 (6H) -ON COMPOUNDS
DK326086A DK153401C (en) 1976-08-02 1986-07-09 4-HALOGEN-6-HYDROXY-2H-PYRANE-3 (6H) -ON COMPOUNDS FOR USE AS INTERMEDIATES IN THE PRODUCTION OF GAMMA PYRONS AND PROCEDURES FOR THE PRODUCTION OF INTERMEDIATE PRODUCTS

Family Applications Before (3)

Application Number Title Priority Date Filing Date
DK276177A DK153483C (en) 1976-08-02 1977-06-22 PROCEDURE FOR MANUFACTURING GAMMA PYRONS
DK325986A DK153484C (en) 1976-08-02 1986-07-09 PROCEDURE FOR MANUFACTURING GAMMA PYRONS
DK326186A DK154079C (en) 1976-08-02 1986-07-09 METHOD OF PREPARING 4-HALOGEN-2H-PYRANE-3 (6H) -ON COMPOUNDS

Country Status (36)

Country Link
JP (7) JPS5318578A (en)
AR (1) AR216080A1 (en)
AT (3) AT362790B (en)
BE (1) BE855965A (en)
BG (4) BG28849A3 (en)
BR (1) BR7703970A (en)
CA (3) CA1095921A (en)
CH (4) CH625798A5 (en)
CS (3) CS203921B2 (en)
DD (1) DD132494A5 (en)
DE (3) DE2760221C2 (en)
DK (4) DK153483C (en)
EG (1) EG13080A (en)
ES (5) ES459994A1 (en)
FI (6) FI72722C (en)
FR (1) FR2372821A1 (en)
GB (5) GB1538374A (en)
GR (1) GR68938B (en)
HK (5) HK30381A (en)
HU (4) HU186026B (en)
IE (5) IE45643B1 (en)
IT (1) IT1106258B (en)
LU (1) LU77600A1 (en)
MX (1) MX4597E (en)
MY (3) MY8100287A (en)
NL (5) NL170955C (en)
NO (7) NO150561C (en)
NZ (1) NZ184342A (en)
PH (5) PH13557A (en)
PL (4) PL115496B1 (en)
PT (1) PT66694B (en)
RO (4) RO78952A (en)
SE (6) SE433079B (en)
SU (2) SU955859A3 (en)
TR (1) TR19652A (en)
YU (4) YU40166B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1095921A (en) 1976-08-02 1981-02-17 Thomas M. Brennan Preparation of gamma-pyrones
FR2402654A1 (en) * 1977-09-12 1979-04-06 Shinetsu Chemical Co Tetra:hydro-pyranone derivs. - useful as intermediates for cpds. used as food flavours
JPS5444675A (en) * 1977-09-12 1979-04-09 Shin Etsu Chem Co Ltd Production of 3-hydroxy-4-pyrone analog
JPS5741226U (en) * 1980-08-20 1982-03-05
JPS59135008U (en) * 1983-02-28 1984-09-10 松下電工株式会社 Distribution board device
JPS6050245A (en) * 1983-08-29 1985-03-19 Nissan Motor Co Ltd Fuel injection device in internal-combustion engine
JPH0226945Y2 (en) * 1985-09-11 1990-07-20
JP2586607B2 (en) * 1987-10-30 1997-03-05 日産化学工業株式会社 Production method of optically active alcohol
AU2008232262B2 (en) 2007-03-28 2013-02-14 Apotex Inc. Fluorinated derivatives of deferiprone
US8703156B2 (en) 2008-04-25 2014-04-22 Apotex Technologies Inc. Liquid formulation for deferiprone with palatable taste
MX2012000247A (en) 2009-07-03 2012-03-26 Apotex Technologies Inc Fluorinated derivatives of 3-hydroxypyridin-4-ones.
WO2017168309A1 (en) * 2016-03-29 2017-10-05 Dr. Reddy’S Laboratories Limited Process for preparation of eribulin and intermediates thereof
CN108609456B (en) * 2016-12-13 2021-03-12 奥的斯电梯公司 Openable expansion panel and elevator suspended ceiling, elevator car and elevator system with same
CN111606879A (en) * 2020-05-25 2020-09-01 安徽金禾实业股份有限公司 Method for preparing 2-hydroxymethyl-3-alkoxy-4H-pyran-4-ketone by one-pot method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491122A (en) * 1966-09-14 1970-01-20 Monsanto Co Synthesis of 4-pyrones
US3547912A (en) * 1968-07-29 1970-12-15 American Home Prod Derivatives of 2h-pyran-3(6h)-ones and preparation thereof
JPS5145565B1 (en) * 1968-10-12 1976-12-04
US3621063A (en) * 1968-12-24 1971-11-16 Monsanto Co Unsaturated acyclic ketones
US3832357A (en) * 1971-05-26 1974-08-27 Daicel Ltd Process for preparation of 3-hydroxy-2-alkyl-4-pyrone
JPS5212166A (en) * 1975-07-17 1977-01-29 Tatsuya Shono Process for preparation of 4-pyron derivatives
IE42789B1 (en) * 1975-08-28 1980-10-22 Pfizer Preparation of gamma-pyrones
CA1095921A (en) 1976-08-02 1981-02-17 Thomas M. Brennan Preparation of gamma-pyrones

Also Published As

Publication number Publication date
SE8200518L (en) 1982-01-29
RO78952A (en) 1982-04-12
NL182805B (en) 1987-12-16
JPS5420500B2 (en) 1979-07-23
SE8200522L (en) 1982-01-29
JPS5436268A (en) 1979-03-16
PH15185A (en) 1982-09-10
PL115497B1 (en) 1981-04-30
CS203923B2 (en) 1981-03-31
HK30481A (en) 1981-07-10
FI72722B (en) 1987-03-31
NL8105539A (en) 1982-04-01
NO821849L (en) 1978-02-03
FI72119B (en) 1986-12-31
DK153484B (en) 1988-07-18
NO821848L (en) 1978-02-03
JPS5436266A (en) 1979-03-16
YU166383A (en) 1986-02-28
CA1117541A (en) 1982-02-02
DK153484C (en) 1988-11-28
PT66694B (en) 1978-11-17
CH626357A5 (en) 1981-11-13
DE2760221C2 (en) 1989-10-05
IE790586L (en) 1978-02-02
IE45645B1 (en) 1982-10-20
NL182477C (en) 1988-03-16
FI831701A0 (en) 1983-05-16
NL8105540A (en) 1982-04-01
NO150559B (en) 1984-07-30
PL199798A1 (en) 1979-08-27
PH13926A (en) 1980-11-04
FI73424B (en) 1987-06-30
NL170955C (en) 1983-01-17
GB1538371A (en) 1979-01-17
YU40166B (en) 1985-08-31
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
HK30681A (en) 1981-07-10
FI72720C (en) 1987-07-10
JPS5318578A (en) 1978-02-20
NL7706811A (en) 1978-02-06
IE790585L (en) 1978-02-02
HU180040B (en) 1983-01-28
SE445041B (en) 1986-05-26
HU186026B (en) 1985-05-28
IE45643B1 (en) 1982-10-20
IE790587L (en) 1978-02-02
ES470746A1 (en) 1979-01-16
DK326086A (en) 1986-07-09
RO78951A2 (en) 1982-04-12
GB1538375A (en) 1979-01-17
IE790584L (en) 1978-02-02
NO150042B (en) 1984-04-30
BG28989A4 (en) 1980-08-15
JPS5436267A (en) 1979-03-16
NO821851L (en) 1978-02-03
CS203922B2 (en) 1981-03-31
AT363470B (en) 1981-08-10
RO78953A (en) 1982-04-12
IE45641B1 (en) 1982-10-20
NL170955B (en) 1982-08-16
IE45644B1 (en) 1982-10-20
GR68938B (en) 1982-03-29
NL182476C (en) 1988-03-16
FI72723B (en) 1987-03-31
MY8100287A (en) 1981-12-31
DK325986A (en) 1986-07-09
HK30581A (en) 1981-07-10
DD132494A5 (en) 1978-10-04
NO150043C (en) 1984-08-15
FI831702L (en) 1983-05-16
JPS5814433B2 (en) 1983-03-18
MY8100262A (en) 1981-12-31
ES470743A1 (en) 1979-01-16
NO150561C (en) 1984-11-07
BG29136A3 (en) 1980-09-15
NO150560C (en) 1984-11-07
CA1095921A (en) 1981-02-17
NO150560B (en) 1984-07-30
EG13080A (en) 1981-03-31
CH625235A5 (en) 1981-09-15
JPS5618596B2 (en) 1981-04-30
NO150559C (en) 1984-11-07
FI771934A (en) 1978-02-03
YU270382A (en) 1983-10-31
DK325986D0 (en) 1986-07-09
IE45641L (en) 1978-02-02
NL182478B (en) 1987-10-16
YU146977A (en) 1983-06-30
FI831700L (en) 1983-05-16
NO150043B (en) 1984-04-30
YU274782A (en) 1983-12-31
YU43190B (en) 1989-04-30
FI831700A0 (en) 1983-05-16
YU42613B (en) 1988-10-31
SE444565B (en) 1986-04-21
NO151365C (en) 1985-03-27
PL115586B1 (en) 1981-04-30
NO834236L (en) 1978-02-03
IT1106258B (en) 1985-11-11
JPS5618597B2 (en) 1981-04-30
SE8200521L (en) 1982-01-29
JPS5436270A (en) 1979-03-16
SE433079B (en) 1984-05-07
JPS5729034B2 (en) 1982-06-19
NO772193L (en) 1978-02-03
PT66694A (en) 1977-07-01
RO74367A (en) 1981-11-24
ATA440477A (en) 1980-11-15
BR7703970A (en) 1978-07-04
SE452616B (en) 1987-12-07
NO150561B (en) 1984-07-30
SE8200520L (en) 1982-01-29
SU955859A3 (en) 1982-08-30
ATA124480A (en) 1981-01-15
SE7707035L (en) 1978-02-03
CH625798A5 (en) 1981-10-15
ES470744A1 (en) 1979-01-16
PL215008A1 (en) 1979-12-17
TR19652A (en) 1979-09-17
PH14625A (en) 1981-10-12
MY8100267A (en) 1981-12-31
DE2760220C2 (en) 1987-08-20
FI831703A0 (en) 1983-05-16
FI831701L (en) 1983-05-16
PL215007A1 (en) 1979-12-17
ES459994A1 (en) 1978-11-16
FI72720B (en) 1987-03-31
NL182805C (en) 1988-05-16
FI831704A0 (en) 1983-05-16
DK153401C (en) 1988-11-28
DK153483C (en) 1988-11-28
NO151365B (en) 1984-12-17
FR2372821B1 (en) 1980-10-17
NO821847L (en) 1978-02-03
DK153483B (en) 1988-07-18
NL182478C (en) 1988-03-16
FI73424C (en) 1987-10-09
PH13557A (en) 1980-06-26
FI72723C (en) 1987-07-10
DK326186A (en) 1986-07-09
AT362790B (en) 1981-06-10
NO821850L (en) 1978-02-03
NL8105537A (en) 1982-04-01
AR216080A1 (en) 1979-11-30
PL215006A1 (en) 1979-12-17
CA1110254A (en) 1981-10-06
DK154079B (en) 1988-10-10
NL182477B (en) 1987-10-16
BG28988A4 (en) 1980-08-15
HU185687B (en) 1985-03-28
NZ184342A (en) 1978-09-25
SE445042B (en) 1986-05-26
BE855965A (en) 1977-12-21
SE444564B (en) 1986-04-21
PH13874A (en) 1980-10-24
FI72721C (en) 1987-07-10
NO150042C (en) 1984-08-15
NL8105538A (en) 1982-04-01
JPS5436271A (en) 1979-03-16
CH626358A5 (en) 1981-11-13
ATA124380A (en) 1981-03-15
JPS5436269A (en) 1979-03-16
GB1538373A (en) 1979-01-17
BG28849A3 (en) 1980-07-15
SE8200519L (en) 1982-01-29
HK30381A (en) 1981-07-10
FI72119C (en) 1987-04-13
FI72721B (en) 1987-03-31
DK276177A (en) 1978-02-03
FI72722C (en) 1987-07-10
FI831703L (en) 1983-05-16
FI831702A0 (en) 1983-05-16
DK154079C (en) 1989-02-27
SU1015826A3 (en) 1983-04-30
DE2728499C2 (en) 1986-04-03
LU77600A1 (en) 1978-02-01
CS203921B2 (en) 1981-03-31
DK326186D0 (en) 1986-07-09
FR2372821A1 (en) 1978-06-30
AT364356B (en) 1981-10-12
ES470745A1 (en) 1979-01-16
MX4597E (en) 1982-06-25
AU2601777A (en) 1978-09-21
IE45642B1 (en) 1982-10-20
NL182476B (en) 1987-10-16
GB1538372A (en) 1979-01-17
HK30781A (en) 1981-07-10
PL115496B1 (en) 1981-04-30
DK153401B (en) 1988-07-11
FI831704L (en) 1983-05-16
DE2728499A1 (en) 1978-02-09

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