AT362790B - METHOD FOR PRODUCING GAMMA PYRON - Google Patents

METHOD FOR PRODUCING GAMMA PYRON

Info

Publication number
AT362790B
AT362790B AT0440477A AT440477A AT362790B AT 362790 B AT362790 B AT 362790B AT 0440477 A AT0440477 A AT 0440477A AT 440477 A AT440477 A AT 440477A AT 362790 B AT362790 B AT 362790B
Authority
AT
Austria
Prior art keywords
pyron
producing gamma
gamma
producing
gamma pyron
Prior art date
Application number
AT0440477A
Other languages
German (de)
Other versions
ATA440477A (en
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 ATA440477A publication Critical patent/ATA440477A/en
Application granted granted Critical
Publication of AT362790B publication Critical patent/AT362790B/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)
  • Pyridine Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cosmetics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Furan Compounds (AREA)
  • Picture Signal Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Processing Of Color Television Signals (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Seasonings (AREA)
  • Control Of El Displays (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
AT0440477A 1976-08-02 1977-06-22 METHOD FOR PRODUCING GAMMA PYRON AT362790B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71090176A 1976-08-02 1976-08-02
US05/721,885 US4082717A (en) 1976-08-02 1976-09-09 Preparation of gamma-pyrones

Publications (2)

Publication Number Publication Date
ATA440477A ATA440477A (en) 1980-11-15
AT362790B true AT362790B (en) 1981-06-10

Family

ID=27108548

Family Applications (3)

Application Number Title Priority Date Filing Date
AT0440477A AT362790B (en) 1976-08-02 1977-06-22 METHOD FOR PRODUCING GAMMA PYRON
AT0124380A AT364356B (en) 1976-08-02 1980-03-06 METHOD FOR PRODUCING NEW 4-HALOGEN DIHYDROPYRAN INTERMEDIATE PRODUCTS
AT0124480A AT363470B (en) 1976-08-02 1980-03-06 METHOD FOR PRODUCING GAMMA PYRON

Family Applications After (2)

Application Number Title Priority Date Filing Date
AT0124380A AT364356B (en) 1976-08-02 1980-03-06 METHOD FOR PRODUCING NEW 4-HALOGEN DIHYDROPYRAN INTERMEDIATE PRODUCTS
AT0124480A AT363470B (en) 1976-08-02 1980-03-06 METHOD FOR PRODUCING GAMMA PYRON

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) 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) HU180040B (en)
IE (5) IE45642B1 (en)
IT (1) IT1106258B (en)
LU (1) LU77600A1 (en)
MX (1) MX4597E (en)
MY (3) MY8100267A (en)
NL (5) NL170955C (en)
NO (7) NO150561C (en)
NZ (1) NZ184342A (en)
PH (5) PH13557A (en)
PL (4) PL215008A1 (en)
PT (1) PT66694B (en)
RO (4) RO78953A (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
NZ579928A (en) 2007-03-28 2012-09-28 Apotex Technologies Inc Fluorinated derivatives of deferiprone
NZ588602A (en) 2008-04-25 2012-08-31 Apotex Technologies Inc Liquid formulation for deferiprone with palatable taste
CN103601673B (en) 2009-07-03 2016-03-16 阿普泰克斯科技公司 The fluorinated derivatives of 3-pyridone-4-ketone
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
BG28849A3 (en) 1980-07-15
NO150560C (en) 1984-11-07
PL115496B1 (en) 1981-04-30
SE7707035L (en) 1978-02-03
GB1538373A (en) 1979-01-17
HK30381A (en) 1981-07-10
NO150042B (en) 1984-04-30
FI831702A0 (en) 1983-05-16
SE8200520L (en) 1982-01-29
DK325986A (en) 1986-07-09
DK153401B (en) 1988-07-11
DE2728499C2 (en) 1986-04-03
JPS5618596B2 (en) 1981-04-30
NO150559C (en) 1984-11-07
FI831704L (en) 1983-05-16
BE855965A (en) 1977-12-21
JPS5436268A (en) 1979-03-16
DE2760220C2 (en) 1987-08-20
MX4597E (en) 1982-06-25
JPS5436269A (en) 1979-03-16
NO772193L (en) 1978-02-03
JPS5436267A (en) 1979-03-16
CH625798A5 (en) 1981-10-15
MY8100287A (en) 1981-12-31
YU43190B (en) 1989-04-30
DE2760221C2 (en) 1989-10-05
IE45643B1 (en) 1982-10-20
SE444564B (en) 1986-04-21
NO150559B (en) 1984-07-30
HK30481A (en) 1981-07-10
NO821848L (en) 1978-02-03
HU180040B (en) 1983-01-28
FI72119C (en) 1987-04-13
NL182477C (en) 1988-03-16
CH625235A5 (en) 1981-09-15
BG28988A4 (en) 1980-08-15
NO151365B (en) 1984-12-17
DK153484B (en) 1988-07-18
FR2372821B1 (en) 1980-10-17
NZ184342A (en) 1978-09-25
NO834236L (en) 1978-02-03
SE444565B (en) 1986-04-21
CA1095921A (en) 1981-02-17
IE45641B1 (en) 1982-10-20
YU40166B (en) 1985-08-31
FI72119B (en) 1986-12-31
RO74367A (en) 1981-11-24
YU274782A (en) 1983-12-31
CH626357A5 (en) 1981-11-13
JPS5814433B2 (en) 1983-03-18
AT363470B (en) 1981-08-10
NL182476B (en) 1987-10-16
PH13557A (en) 1980-06-26
AT364356B (en) 1981-10-12
FI73424C (en) 1987-10-09
CA1117541A (en) 1982-02-02
EG13080A (en) 1981-03-31
YU146977A (en) 1983-06-30
TR19652A (en) 1979-09-17
ES470746A1 (en) 1979-01-16
GB1538371A (en) 1979-01-17
GB1538372A (en) 1979-01-17
JPS5420500B2 (en) 1979-07-23
FI72720C (en) 1987-07-10
PL215006A1 (en) 1979-12-17
FI771934A7 (en) 1978-02-03
BG29136A3 (en) 1980-09-15
FI831703A0 (en) 1983-05-16
HU186026B (en) 1985-05-28
SE8200522L (en) 1982-01-29
RO78953A (en) 1982-04-12
YU42613B (en) 1988-10-31
DK153483B (en) 1988-07-18
FI73424B (en) 1987-06-30
FI72723C (en) 1987-07-10
AU2601777A (en) 1978-09-21
DK326186A (en) 1986-07-09
NL8105539A (en) 1982-04-01
FI831701A0 (en) 1983-05-16
JPS5618597B2 (en) 1981-04-30
SE8200519L (en) 1982-01-29
NL7706811A (en) 1978-02-06
PH13926A (en) 1980-11-04
IE790584L (en) 1978-02-02
SE452616B (en) 1987-12-07
NO821851L (en) 1978-02-03
DK154079C (en) 1989-02-27
HK30681A (en) 1981-07-10
NO821849L (en) 1978-02-03
SE8200521L (en) 1982-01-29
FI831704A0 (en) 1983-05-16
NL8105537A (en) 1982-04-01
NL182478B (en) 1987-10-16
IE790587L (en) 1978-02-02
NL182805B (en) 1987-12-16
AR216080A1 (en) 1979-11-30
IE790586L (en) 1978-02-02
NL182805C (en) 1988-05-16
FI831700A0 (en) 1983-05-16
LU77600A1 (en) 1978-02-01
DK153483C (en) 1988-11-28
FI72721C (en) 1987-07-10
FI831701L (en) 1983-05-16
IE45642B1 (en) 1982-10-20
IE790585L (en) 1978-02-02
ES459994A1 (en) 1978-11-16
DE2728499A1 (en) 1978-02-09
PH13874A (en) 1980-10-24
SE445042B (en) 1986-05-26
PL215007A1 (en) 1979-12-17
JPS5436270A (en) 1979-03-16
SE445041B (en) 1986-05-26
SU1015826A3 (en) 1983-04-30
DK276177A (en) 1978-02-03
MY8100267A (en) 1981-12-31
PH15185A (en) 1982-09-10
CS203921B2 (en) 1981-03-31
DK326186D0 (en) 1986-07-09
IT1106258B (en) 1985-11-11
CS203922B2 (en) 1981-03-31
NL182477B (en) 1987-10-16
PH14625A (en) 1981-10-12
YU166383A (en) 1986-02-28
DD132494A5 (en) 1978-10-04
IE45641L (en) 1978-02-02
NO150561B (en) 1984-07-30
DK325986D0 (en) 1986-07-09
ES470744A1 (en) 1979-01-16
FI831702L (en) 1983-05-16
IE45644B1 (en) 1982-10-20
PL115586B1 (en) 1981-04-30
FI72720B (en) 1987-03-31
ATA124380A (en) 1981-03-15
NO151365C (en) 1985-03-27
YU270382A (en) 1983-10-31
BR7703970A (en) 1978-07-04
DK154079B (en) 1988-10-10
GR68938B (en) 1982-03-29
NO150043C (en) 1984-08-15
NO150560B (en) 1984-07-30
JPS5436271A (en) 1979-03-16
CA1110254A (en) 1981-10-06
NL182476C (en) 1988-03-16
FI72723B (en) 1987-03-31
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
FR2372821A1 (en) 1978-06-30
JPS5436266A (en) 1979-03-16
BG28989A4 (en) 1980-08-15
NL8105538A (en) 1982-04-01
RO78952A (en) 1982-04-12
HK30781A (en) 1981-07-10
NO150043B (en) 1984-04-30
JPS5729034B2 (en) 1982-06-19
MY8100262A (en) 1981-12-31
NO821850L (en) 1978-02-03
NL8105540A (en) 1982-04-01
ATA124480A (en) 1981-01-15
ES470745A1 (en) 1979-01-16
IE45645B1 (en) 1982-10-20
FI831703L (en) 1983-05-16
HK30581A (en) 1981-07-10
ATA440477A (en) 1980-11-15
NL182478C (en) 1988-03-16
DK153484C (en) 1988-11-28
ES470743A1 (en) 1979-01-16
HU185687B (en) 1985-03-28
FI72722B (en) 1987-03-31
FI831700L (en) 1983-05-16
DK153401C (en) 1988-11-28
SE433079B (en) 1984-05-07
RO78951A2 (en) 1982-04-12
JPS5318578A (en) 1978-02-20
FI72721B (en) 1987-03-31
DK326086D0 (en) 1986-07-09
NO821847L (en) 1978-02-03
NL170955C (en) 1983-01-17
FI72722C (en) 1987-07-10
DK326086A (en) 1986-07-09
PT66694A (en) 1977-07-01
SU955859A3 (en) 1982-08-30
PL215008A1 (en) 1979-12-17
GB1538375A (en) 1979-01-17
NO150561C (en) 1984-11-07
PL115497B1 (en) 1981-04-30
PT66694B (en) 1978-11-17
CH626358A5 (en) 1981-11-13
NL170955B (en) 1982-08-16
PL199798A1 (en) 1979-08-27
NO150042C (en) 1984-08-15
CS203923B2 (en) 1981-03-31

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Legal Events

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ELA Expired due to lapse of time