DK153483C - PROCEDURE FOR MANUFACTURING GAMMA PYRONS - Google Patents

PROCEDURE FOR MANUFACTURING GAMMA PYRONS

Info

Publication number
DK153483C
DK153483C DK276177A DK276177A DK153483C DK 153483 C DK153483 C DK 153483C DK 276177 A DK276177 A DK 276177A DK 276177 A DK276177 A DK 276177A DK 153483 C DK153483 C DK 153483C
Authority
DK
Denmark
Prior art keywords
pyrons
procedure
manufacturing gamma
gamma
manufacturing
Prior art date
Application number
DK276177A
Other languages
Danish (da)
Other versions
DK153483B (en
DK276177A (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 DK276177A publication Critical patent/DK276177A/en
Priority to DK326186A priority Critical patent/DK154079C/en
Priority to DK325986A priority patent/DK153484C/en
Priority to DK326086A priority patent/DK153401C/en
Publication of DK153483B publication Critical patent/DK153483B/en
Application granted granted Critical
Publication of DK153483C publication Critical patent/DK153483C/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D309/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/32Heterocyclic 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D309/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/34Heterocyclic 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
    • C07D309/36Heterocyclic 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
    • C07D309/40Oxygen 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)
  • Furan Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Picture Signal Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Processing Of Color Television Signals (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Seasonings (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
DK276177A 1976-08-02 1977-06-22 PROCEDURE FOR MANUFACTURING GAMMA PYRONS DK153483C (en)

Priority Applications (3)

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

Applications Claiming Priority (4)

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

Publications (3)

Publication Number Publication Date
DK276177A DK276177A (en) 1978-02-03
DK153483B DK153483B (en) 1988-07-18
DK153483C true DK153483C (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
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
DK326186A DK154079C (en) 1976-08-02 1986-07-09 METHOD OF PREPARING 4-HALOGEN-2H-PYRANE-3 (6H) -ON COMPOUNDS
DK325986A DK153484C (en) 1976-08-02 1986-07-09 PROCEDURE FOR MANUFACTURING GAMMA PYRONS

Family Applications After (3)

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

Country Status (36)

Country Link
JP (7) JPS5318578A (en)
AR (1) AR216080A1 (en)
AT (3) AT362790B (en)
BE (1) BE855965A (en)
BG (4) BG28989A4 (en)
BR (1) BR7703970A (en)
CA (3) CA1095921A (en)
CH (4) CH625798A5 (en)
CS (3) CS203921B2 (en)
DD (1) DD132494A5 (en)
DE (3) DE2728499C2 (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) HK30781A (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) RO74367A (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
US8026261B2 (en) 2007-03-28 2011-09-27 Apotex Technologies Inc. Fluorinated derivatives of deferiprone
DK2268282T3 (en) 2008-04-25 2014-11-24 Apotex Technologies Inc Liquid formulation of deferiprone with pleasant taste
SI2448922T1 (en) 2009-07-03 2014-12-31 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
FI72720C (en) 1987-07-10
NO150559B (en) 1984-07-30
JPS5420500B2 (en) 1979-07-23
DK154079C (en) 1989-02-27
DK153401C (en) 1988-11-28
FR2372821B1 (en) 1980-10-17
SE7707035L (en) 1978-02-03
NO150043C (en) 1984-08-15
YU166383A (en) 1986-02-28
DE2728499A1 (en) 1978-02-09
IE45641B1 (en) 1982-10-20
NL182805B (en) 1987-12-16
BG28989A4 (en) 1980-08-15
NL8105539A (en) 1982-04-01
SE8200519L (en) 1982-01-29
NL7706811A (en) 1978-02-06
SE8200520L (en) 1982-01-29
RO78952A (en) 1982-04-12
CH625235A5 (en) 1981-09-15
FI72720B (en) 1987-03-31
NL8105537A (en) 1982-04-01
DD132494A5 (en) 1978-10-04
GB1538371A (en) 1979-01-17
FI771934A (en) 1978-02-03
NO821847L (en) 1978-02-03
FI72721B (en) 1987-03-31
BR7703970A (en) 1978-07-04
DK326186A (en) 1986-07-09
HU186026B (en) 1985-05-28
HK30581A (en) 1981-07-10
BG28988A4 (en) 1980-08-15
FI831703A0 (en) 1983-05-16
JPS5436271A (en) 1979-03-16
NZ184342A (en) 1978-09-25
JPS5618597B2 (en) 1981-04-30
SE8200521L (en) 1982-01-29
SE8200522L (en) 1982-01-29
NL182478C (en) 1988-03-16
MY8100262A (en) 1981-12-31
AT364356B (en) 1981-10-12
NL8105538A (en) 1982-04-01
JPS5814433B2 (en) 1983-03-18
SE445042B (en) 1986-05-26
CA1117541A (en) 1982-02-02
FI72721C (en) 1987-07-10
FI72119B (en) 1986-12-31
PT66694B (en) 1978-11-17
YU274782A (en) 1983-12-31
ES470746A1 (en) 1979-01-16
CS203921B2 (en) 1981-03-31
DK326186D0 (en) 1986-07-09
GB1538373A (en) 1979-01-17
BG29136A3 (en) 1980-09-15
SE8200518L (en) 1982-01-29
IE45641L (en) 1978-02-02
JPS5318578A (en) 1978-02-20
PT66694A (en) 1977-07-01
NO821851L (en) 1978-02-03
NO150560B (en) 1984-07-30
HK30781A (en) 1981-07-10
FI72723B (en) 1987-03-31
PH15185A (en) 1982-09-10
NO150042B (en) 1984-04-30
IE45644B1 (en) 1982-10-20
NO150561B (en) 1984-07-30
PL215006A1 (en) 1979-12-17
NO151365B (en) 1984-12-17
HU185687B (en) 1985-03-28
JPS5436269A (en) 1979-03-16
HK30481A (en) 1981-07-10
JPS5436268A (en) 1979-03-16
FI831704A0 (en) 1983-05-16
FI72119C (en) 1987-04-13
FI831700A0 (en) 1983-05-16
DK326086A (en) 1986-07-09
EG13080A (en) 1981-03-31
JPS5618596B2 (en) 1981-04-30
NO150559C (en) 1984-11-07
GB1538372A (en) 1979-01-17
HK30681A (en) 1981-07-10
DK154079B (en) 1988-10-10
NL8105540A (en) 1982-04-01
ATA124480A (en) 1981-01-15
PL115496B1 (en) 1981-04-30
PL115497B1 (en) 1981-04-30
DK153401B (en) 1988-07-11
FI73424B (en) 1987-06-30
PL115586B1 (en) 1981-04-30
RO78951A2 (en) 1982-04-12
IE790584L (en) 1978-02-02
NL182477C (en) 1988-03-16
IE45643B1 (en) 1982-10-20
NL182476B (en) 1987-10-16
RO78953A (en) 1982-04-12
AT363470B (en) 1981-08-10
FI831702A0 (en) 1983-05-16
IE45642B1 (en) 1982-10-20
LU77600A1 (en) 1978-02-01
HU180040B (en) 1983-01-28
FI831701L (en) 1983-05-16
NO821848L (en) 1978-02-03
ES470745A1 (en) 1979-01-16
DK153483B (en) 1988-07-18
NL170955C (en) 1983-01-17
FI72723C (en) 1987-07-10
CS203922B2 (en) 1981-03-31
YU146977A (en) 1983-06-30
HK30381A (en) 1981-07-10
CS203923B2 (en) 1981-03-31
DE2728499C2 (en) 1986-04-03
SE445041B (en) 1986-05-26
DK153484C (en) 1988-11-28
BG28849A3 (en) 1980-07-15
FI72722C (en) 1987-07-10
IT1106258B (en) 1985-11-11
NO834236L (en) 1978-02-03
GR68938B (en) 1982-03-29
CH625798A5 (en) 1981-10-15
SE444565B (en) 1986-04-21
AR216080A1 (en) 1979-11-30
BE855965A (en) 1977-12-21
PH13557A (en) 1980-06-26
AU2601777A (en) 1978-09-21
PH13926A (en) 1980-11-04
DE2760220C2 (en) 1987-08-20
NO150043B (en) 1984-04-30
FR2372821A1 (en) 1978-06-30
MX4597E (en) 1982-06-25
RO74367A (en) 1981-11-24
NO150560C (en) 1984-11-07
DK325986A (en) 1986-07-09
YU270382A (en) 1983-10-31
JPS5729034B2 (en) 1982-06-19
MY8100287A (en) 1981-12-31
YU43190B (en) 1989-04-30
PH13874A (en) 1980-10-24
NL182476C (en) 1988-03-16
CH626358A5 (en) 1981-11-13
PL215007A1 (en) 1979-12-17
NL170955B (en) 1982-08-16
FI73424C (en) 1987-10-09
CA1110254A (en) 1981-10-06
IE790585L (en) 1978-02-02
NO151365C (en) 1985-03-27
FI72722B (en) 1987-03-31
PH14625A (en) 1981-10-12
CA1095921A (en) 1981-02-17
ES470744A1 (en) 1979-01-16
NL182478B (en) 1987-10-16
FI831701A0 (en) 1983-05-16
NO150561C (en) 1984-11-07
SU1015826A3 (en) 1983-04-30
GB1538375A (en) 1979-01-17
JPS5436266A (en) 1979-03-16
SE452616B (en) 1987-12-07
JPS5436267A (en) 1979-03-16
PL215008A1 (en) 1979-12-17
NO150042C (en) 1984-08-15
YU40166B (en) 1985-08-31
FI831702L (en) 1983-05-16
IE790587L (en) 1978-02-02
ES459994A1 (en) 1978-11-16
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
NO821849L (en) 1978-02-03
DK153484B (en) 1988-07-18
DK325986D0 (en) 1986-07-09
FI831704L (en) 1983-05-16
ATA124380A (en) 1981-03-15
PL199798A1 (en) 1979-08-27
ES470743A1 (en) 1979-01-16
IE790586L (en) 1978-02-02
MY8100267A (en) 1981-12-31
NO772193L (en) 1978-02-03
DK326086D0 (en) 1986-07-09
DE2760221C2 (en) 1989-10-05
NL182477B (en) 1987-10-16
CH626357A5 (en) 1981-11-13
IE45645B1 (en) 1982-10-20
AT362790B (en) 1981-06-10
YU42613B (en) 1988-10-31
DK276177A (en) 1978-02-03
ATA440477A (en) 1980-11-15
FI831700L (en) 1983-05-16
JPS5436270A (en) 1979-03-16
SE433079B (en) 1984-05-07
TR19652A (en) 1979-09-17
SE444564B (en) 1986-04-21
NO821850L (en) 1978-02-03
FI831703L (en) 1983-05-16
SU955859A3 (en) 1982-08-30
NL182805C (en) 1988-05-16

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