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PL199798A1 - METHOD OF MAKING GAMMA-PYRONY - Google Patents

METHOD OF MAKING GAMMA-PYRONY

Info

Publication number
PL199798A1
PL199798A1 PL19979877A PL19979877A PL199798A1 PL 199798 A1 PL199798 A1 PL 199798A1 PL 19979877 A PL19979877 A PL 19979877A PL 19979877 A PL19979877 A PL 19979877A PL 199798 A1 PL199798 A1 PL 199798A1
Authority
PL
Poland
Prior art keywords
pyrony
making gamma
gamma
making
Prior art date
Application number
PL19979877A
Other languages
Polish (pl)
Other versions
PL115586B1 (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 PL199798A1 publication Critical patent/PL199798A1/en
Publication of PL115586B1 publication Critical patent/PL115586B1/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)
  • 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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Seasonings (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Control Of El Displays (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
PL1977199798A 1976-08-02 1977-07-21 Process for preparing gamma-pyrones PL115586B1 (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
PL199798A1 true PL199798A1 (en) 1979-08-27
PL115586B1 PL115586B1 (en) 1981-04-30

Family

ID=27108548

Family Applications (4)

Application Number Title Priority Date Filing Date
PL1977215006A PL115497B1 (en) 1976-08-02 1977-07-21 Process for preparing 4-halodihydropyranes
PL1977199798A PL115586B1 (en) 1976-08-02 1977-07-21 Process for preparing gamma-pyrones
PL1977215007A PL115496B1 (en) 1976-08-02 1977-07-21 Process for preparing gamma-pyrones
PL21500877A PL215008A1 (en) 1976-08-02 1977-07-21 METHOD OF MAKING PIRANONE-3 DERIVATIVES

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL1977215006A PL115497B1 (en) 1976-08-02 1977-07-21 Process for preparing 4-halodihydropyranes

Family Applications After (2)

Application Number Title Priority Date Filing Date
PL1977215007A PL115496B1 (en) 1976-08-02 1977-07-21 Process for preparing gamma-pyrones
PL21500877A PL215008A1 (en) 1976-08-02 1977-07-21 METHOD OF MAKING PIRANONE-3 DERIVATIVES

Country Status (36)

Country Link
JP (7) JPS5318578A (en)
AR (1) AR216080A1 (en)
AT (3) AT362790B (en)
BE (1) BE855965A (en)
BG (4) BG28988A4 (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) GB1538375A (en)
GR (1) GR68938B (en)
HK (5) HK30581A (en)
HU (4) HU185687B (en)
IE (5) IE45641B1 (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) PL115497B1 (en)
PT (1) PT66694B (en)
RO (4) RO78951A2 (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
TWI404533B (en) 2007-03-28 2013-08-11 Apotex Technologies Inc Fluorinated derivatives of deferiprone
BRPI0822206B8 (en) 2008-04-25 2021-05-25 Apotex Tech Inc liquid formulation for deferiprone with a pleasant taste.
CN102712591B (en) 2009-07-03 2014-06-25 阿普泰克斯科技公司 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
SE8200522L (en) 1982-01-29
FI771934A (en) 1978-02-03
PH13874A (en) 1980-10-24
NL182478B (en) 1987-10-16
CH625798A5 (en) 1981-10-15
NL8105539A (en) 1982-04-01
IE790586L (en) 1978-02-02
FI831704A0 (en) 1983-05-16
SU1015826A3 (en) 1983-04-30
BG29136A3 (en) 1980-09-15
HU186026B (en) 1985-05-28
ES470745A1 (en) 1979-01-16
DK153401B (en) 1988-07-11
DE2728499A1 (en) 1978-02-09
NL8105540A (en) 1982-04-01
NO150560B (en) 1984-07-30
CA1095921A (en) 1981-02-17
CS203923B2 (en) 1981-03-31
DK154079C (en) 1989-02-27
FI831703A0 (en) 1983-05-16
YU274782A (en) 1983-12-31
NL182477C (en) 1988-03-16
FI72119C (en) 1987-04-13
ATA124380A (en) 1981-03-15
PL115497B1 (en) 1981-04-30
NO821849L (en) 1978-02-03
BG28849A3 (en) 1980-07-15
NO772193L (en) 1978-02-03
RO78951A2 (en) 1982-04-12
GB1538373A (en) 1979-01-17
JPS5436269A (en) 1979-03-16
AT362790B (en) 1981-06-10
FI831701L (en) 1983-05-16
YU40166B (en) 1985-08-31
JPS5318578A (en) 1978-02-20
FI72720C (en) 1987-07-10
JPS5436270A (en) 1979-03-16
SE433079B (en) 1984-05-07
NL182477B (en) 1987-10-16
ES470746A1 (en) 1979-01-16
SE7707035L (en) 1978-02-03
PH15185A (en) 1982-09-10
NO150042B (en) 1984-04-30
AR216080A1 (en) 1979-11-30
CH625235A5 (en) 1981-09-15
FI72119B (en) 1986-12-31
FI72722B (en) 1987-03-31
FI72723B (en) 1987-03-31
NO821848L (en) 1978-02-03
CA1110254A (en) 1981-10-06
SU955859A3 (en) 1982-08-30
BE855965A (en) 1977-12-21
PL115496B1 (en) 1981-04-30
PL215006A1 (en) 1979-12-17
SE445042B (en) 1986-05-26
NO150560C (en) 1984-11-07
PH13557A (en) 1980-06-26
JPS5436268A (en) 1979-03-16
HU180040B (en) 1983-01-28
NO150043B (en) 1984-04-30
IE45642B1 (en) 1982-10-20
RO78953A (en) 1982-04-12
IE45641B1 (en) 1982-10-20
FI831700L (en) 1983-05-16
BG28989A4 (en) 1980-08-15
RO74367A (en) 1981-11-24
AT364356B (en) 1981-10-12
NO150559C (en) 1984-11-07
JPS5618597B2 (en) 1981-04-30
FI831700A0 (en) 1983-05-16
NO821847L (en) 1978-02-03
YU166383A (en) 1986-02-28
DK153483C (en) 1988-11-28
PL115586B1 (en) 1981-04-30
PL215007A1 (en) 1979-12-17
SE8200518L (en) 1982-01-29
GR68938B (en) 1982-03-29
DK153401C (en) 1988-11-28
MY8100267A (en) 1981-12-31
YU43190B (en) 1989-04-30
HU185687B (en) 1985-03-28
NL8105537A (en) 1982-04-01
FI72721C (en) 1987-07-10
SE445041B (en) 1986-05-26
SE444565B (en) 1986-04-21
FR2372821A1 (en) 1978-06-30
YU42613B (en) 1988-10-31
MY8100287A (en) 1981-12-31
PH14625A (en) 1981-10-12
NO834236L (en) 1978-02-03
TR19652A (en) 1979-09-17
SE8200521L (en) 1982-01-29
PH13926A (en) 1980-11-04
ES470743A1 (en) 1979-01-16
IE45643B1 (en) 1982-10-20
HK30581A (en) 1981-07-10
IE790584L (en) 1978-02-02
NL182805C (en) 1988-05-16
DK276177A (en) 1978-02-03
JPS5420500B2 (en) 1979-07-23
ES470744A1 (en) 1979-01-16
HK30481A (en) 1981-07-10
FI831702A0 (en) 1983-05-16
DD132494A5 (en) 1978-10-04
DE2760221C2 (en) 1989-10-05
NL170955C (en) 1983-01-17
FI831704L (en) 1983-05-16
CA1117541A (en) 1982-02-02
NL182805B (en) 1987-12-16
FI72720B (en) 1987-03-31
FI831703L (en) 1983-05-16
DK154079B (en) 1988-10-10
NO150042C (en) 1984-08-15
NL7706811A (en) 1978-02-06
YU146977A (en) 1983-06-30
FI831702L (en) 1983-05-16
DK325986D0 (en) 1986-07-09
IE45641L (en) 1978-02-02
NL182476B (en) 1987-10-16
DK153483B (en) 1988-07-18
ATA440477A (en) 1980-11-15
NZ184342A (en) 1978-09-25
IT1106258B (en) 1985-11-11
HK30781A (en) 1981-07-10
JPS5729034B2 (en) 1982-06-19
FI72721B (en) 1987-03-31
FR2372821B1 (en) 1980-10-17
IE45644B1 (en) 1982-10-20
AT363470B (en) 1981-08-10
CS203922B2 (en) 1981-03-31
SE452616B (en) 1987-12-07
GB1538372A (en) 1979-01-17
DE2728499C2 (en) 1986-04-03
NO151365C (en) 1985-03-27
NO150043C (en) 1984-08-15
BR7703970A (en) 1978-07-04
JPS5436271A (en) 1979-03-16
JPS5436266A (en) 1979-03-16
IE790585L (en) 1978-02-02
NO150559B (en) 1984-07-30
MY8100262A (en) 1981-12-31
FI831701A0 (en) 1983-05-16
HK30681A (en) 1981-07-10
CH626357A5 (en) 1981-11-13
EG13080A (en) 1981-03-31
NO821850L (en) 1978-02-03
MX4597E (en) 1982-06-25
GB1538371A (en) 1979-01-17
NO150561B (en) 1984-07-30
LU77600A1 (en) 1978-02-01
SE8200519L (en) 1982-01-29
SE8200520L (en) 1982-01-29
JPS5814433B2 (en) 1983-03-18
DK326086D0 (en) 1986-07-09
DK153484B (en) 1988-07-18
DK326186A (en) 1986-07-09
ATA124480A (en) 1981-01-15
NO821851L (en) 1978-02-03
NL182476C (en) 1988-03-16
JPS5618596B2 (en) 1981-04-30
FI73424C (en) 1987-10-09
NL182478C (en) 1988-03-16
CH626358A5 (en) 1981-11-13
RO78952A (en) 1982-04-12
AU2601777A (en) 1978-09-21
BG28988A4 (en) 1980-08-15
PL215008A1 (en) 1979-12-17
DK326086A (en) 1986-07-09
NL170955B (en) 1982-08-16
ES459994A1 (en) 1978-11-16
PT66694B (en) 1978-11-17
CS203921B2 (en) 1981-03-31
DK326186D0 (en) 1986-07-09
FI72722C (en) 1987-07-10
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
GB1538375A (en) 1979-01-17
YU270382A (en) 1983-10-31
NO150561C (en) 1984-11-07
IE790587L (en) 1978-02-02
SE444564B (en) 1986-04-21
HK30381A (en) 1981-07-10
IE45645B1 (en) 1982-10-20
JPS5436267A (en) 1979-03-16
FI73424B (en) 1987-06-30
FI72723C (en) 1987-07-10
DE2760220C2 (en) 1987-08-20
DK153484C (en) 1988-11-28
NL8105538A (en) 1982-04-01
PT66694A (en) 1977-07-01
NO151365B (en) 1984-12-17
DK325986A (en) 1986-07-09

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