FI831701A0 - FOERFARANDE FOER FRAMSTAELLNING AV GAMMA-PYRON - Google Patents

FOERFARANDE FOER FRAMSTAELLNING AV GAMMA-PYRON

Info

Publication number
FI831701A0
FI831701A0 FI831701A FI831701A FI831701A0 FI 831701 A0 FI831701 A0 FI 831701A0 FI 831701 A FI831701 A FI 831701A FI 831701 A FI831701 A FI 831701A FI 831701 A0 FI831701 A0 FI 831701A0
Authority
FI
Finland
Prior art keywords
pyron
gamma
foerfarande foer
foer framstaellning
framstaellning
Prior art date
Application number
FI831701A
Other languages
Finnish (fi)
Other versions
FI831701L (en
FI72723B (en
FI72723C (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 FI831701A0 publication Critical patent/FI831701A0/en
Publication of FI831701L publication Critical patent/FI831701L/en
Publication of FI72723B publication Critical patent/FI72723B/en
Application granted granted Critical
Publication of FI72723C publication Critical patent/FI72723C/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
FI831701A 1976-08-02 1983-05-16 Process for Preparation of 3-Hydroxy-4-Pyrones. FI72723C (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
FI771934A FI72722C (en) 1976-08-02 1977-06-21 Process for Preparation of 3-Hydroxy-4-Pyrones
FI771934 1977-06-21

Publications (4)

Publication Number Publication Date
FI831701A0 true FI831701A0 (en) 1983-05-16
FI831701L FI831701L (en) 1983-05-16
FI72723B FI72723B (en) 1987-03-31
FI72723C FI72723C (en) 1987-07-10

Family

ID=27108548

Family Applications (6)

Application Number Title Priority Date Filing Date
FI771934A FI72722C (en) 1976-08-02 1977-06-21 Process for Preparation of 3-Hydroxy-4-Pyrones
FI831704A FI72721C (en) 1976-08-02 1983-05-16 VID FRAMSTAELLNING AV GAMMA-PYRONER SAOSOM MELLANPRODUKT ANVAENDBAR 6,6'OXI-BIS / 4-HALOGEN-2,6-DIHYDRO-3-PYRON / OCH FOERFARANDE FOER DESS FRAMSTAELLNING.
FI831703A FI73424C (en) 1976-08-02 1983-05-16 FOERFARANDE FOER FRAMSTAELLNING AV EN SOM MELLANPRODUKT VID 3-HYDROXI-4-PYRONFRAMSTAELLNINGEN ANVAENDBAR 4-HALOGEN- 6- (ALKOXI ELLER ALKANOYLOXI) -2,6-DIHYDRO-3-PYRON.
FI831702A FI72720C (en) 1976-08-02 1983-05-16 4-HALOGEN-DIHYDROPYRONFOERENING FOER ANVAENDNING SOM MELLANPRODUKT VID FRAMSTAELLNINGEN AV 3-HYDROXI-4-PYRONER OCH FOERFARANDE FOER DESS FRAMSTAELLNING.
FI831701A FI72723C (en) 1976-08-02 1983-05-16 Process for Preparation of 3-Hydroxy-4-Pyrones.
FI831700A FI72119C (en) 1976-08-02 1983-05-16 Process for the preparation of 2-alkyl-3-hydroxy-4-pyrones.

Family Applications Before (4)

Application Number Title Priority Date Filing Date
FI771934A FI72722C (en) 1976-08-02 1977-06-21 Process for Preparation of 3-Hydroxy-4-Pyrones
FI831704A FI72721C (en) 1976-08-02 1983-05-16 VID FRAMSTAELLNING AV GAMMA-PYRONER SAOSOM MELLANPRODUKT ANVAENDBAR 6,6'OXI-BIS / 4-HALOGEN-2,6-DIHYDRO-3-PYRON / OCH FOERFARANDE FOER DESS FRAMSTAELLNING.
FI831703A FI73424C (en) 1976-08-02 1983-05-16 FOERFARANDE FOER FRAMSTAELLNING AV EN SOM MELLANPRODUKT VID 3-HYDROXI-4-PYRONFRAMSTAELLNINGEN ANVAENDBAR 4-HALOGEN- 6- (ALKOXI ELLER ALKANOYLOXI) -2,6-DIHYDRO-3-PYRON.
FI831702A FI72720C (en) 1976-08-02 1983-05-16 4-HALOGEN-DIHYDROPYRONFOERENING FOER ANVAENDNING SOM MELLANPRODUKT VID FRAMSTAELLNINGEN AV 3-HYDROXI-4-PYRONER OCH FOERFARANDE FOER DESS FRAMSTAELLNING.

Family Applications After (1)

Application Number Title Priority Date Filing Date
FI831700A FI72119C (en) 1976-08-02 1983-05-16 Process for the preparation of 2-alkyl-3-hydroxy-4-pyrones.

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) DE2760220C2 (en)
DK (4) DK153483C (en)
EG (1) EG13080A (en)
ES (5) ES459994A1 (en)
FI (6) FI72722C (en)
FR (1) FR2372821A1 (en)
GB (5) GB1538372A (en)
GR (1) GR68938B (en)
HK (5) HK30481A (en)
HU (4) HU186026B (en)
IE (5) IE45643B1 (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) 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
JPS5444675A (en) * 1977-09-12 1979-04-09 Shin Etsu Chem Co Ltd Production of 3-hydroxy-4-pyrone analog
FR2402654A1 (en) * 1977-09-12 1979-04-06 Shinetsu Chemical Co Tetra:hydro-pyranone derivs. - useful as intermediates for cpds. used as food flavours
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
WO2008116301A1 (en) 2007-03-28 2008-10-02 Apotex Technologies Inc. Fluorinated derivatives of deferiprone
UA102254C2 (en) 2008-04-25 2013-06-25 Апотекс Технолоджис Инк. Normal;heading 1;heading 2;heading 3;LIQUID FORMULATION FOR DEFERIPRONE WITH PALATABLE TASTE
MA33985B1 (en) 2009-07-03 2013-02-01 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
RO78951A2 (en) 1982-04-12
MY8100262A (en) 1981-12-31
FR2372821B1 (en) 1980-10-17
NL182478B (en) 1987-10-16
ES470745A1 (en) 1979-01-16
HK30781A (en) 1981-07-10
AT362790B (en) 1981-06-10
JPS5436269A (en) 1979-03-16
GR68938B (en) 1982-03-29
FI73424C (en) 1987-10-09
FR2372821A1 (en) 1978-06-30
YU40166B (en) 1985-08-31
NO821849L (en) 1978-02-03
DK153484B (en) 1988-07-18
FI73424B (en) 1987-06-30
PL215007A1 (en) 1979-12-17
NL8105539A (en) 1982-04-01
NO150042C (en) 1984-08-15
IE790586L (en) 1978-02-02
SE7707035L (en) 1978-02-03
DE2760221C2 (en) 1989-10-05
JPS5436266A (en) 1979-03-16
MY8100287A (en) 1981-12-31
YU43190B (en) 1989-04-30
NL7706811A (en) 1978-02-06
DK326186A (en) 1986-07-09
PL115497B1 (en) 1981-04-30
NL182476C (en) 1988-03-16
HK30481A (en) 1981-07-10
NO821847L (en) 1978-02-03
DK325986D0 (en) 1986-07-09
FI831703A0 (en) 1983-05-16
PL199798A1 (en) 1979-08-27
DK276177A (en) 1978-02-03
DK326086D0 (en) 1986-07-09
YU42613B (en) 1988-10-31
IE790587L (en) 1978-02-02
IE45643B1 (en) 1982-10-20
IE45645B1 (en) 1982-10-20
IE45644B1 (en) 1982-10-20
SU955859A3 (en) 1982-08-30
CA1110254A (en) 1981-10-06
FI72721C (en) 1987-07-10
SE8200518L (en) 1982-01-29
GB1538375A (en) 1979-01-17
TR19652A (en) 1979-09-17
SE445042B (en) 1986-05-26
IT1106258B (en) 1985-11-11
PL215006A1 (en) 1979-12-17
NO821851L (en) 1978-02-03
PT66694B (en) 1978-11-17
SE452616B (en) 1987-12-07
NO150042B (en) 1984-04-30
JPS5729034B2 (en) 1982-06-19
HU185687B (en) 1985-03-28
ES459994A1 (en) 1978-11-16
NO834236L (en) 1978-02-03
AT363470B (en) 1981-08-10
BG29136A3 (en) 1980-09-15
NO772193L (en) 1978-02-03
DK153483B (en) 1988-07-18
EG13080A (en) 1981-03-31
FI72722C (en) 1987-07-10
NL170955C (en) 1983-01-17
CH625798A5 (en) 1981-10-15
AT364356B (en) 1981-10-12
NL8105540A (en) 1982-04-01
NL182476B (en) 1987-10-16
PH15185A (en) 1982-09-10
CS203921B2 (en) 1981-03-31
DK326186D0 (en) 1986-07-09
SE8200520L (en) 1982-01-29
YU274782A (en) 1983-12-31
NL182477B (en) 1987-10-16
FI831701L (en) 1983-05-16
NO150560C (en) 1984-11-07
NO151365B (en) 1984-12-17
BG28849A3 (en) 1980-07-15
GB1538373A (en) 1979-01-17
FI831704A0 (en) 1983-05-16
DK153401C (en) 1988-11-28
SE445041B (en) 1986-05-26
SU1015826A3 (en) 1983-04-30
ES470746A1 (en) 1979-01-16
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
FI771934A (en) 1978-02-03
NL182805C (en) 1988-05-16
ATA124480A (en) 1981-01-15
DK153483C (en) 1988-11-28
YU166383A (en) 1986-02-28
CH626357A5 (en) 1981-11-13
NO821850L (en) 1978-02-03
NL8105537A (en) 1982-04-01
JPS5420500B2 (en) 1979-07-23
NO150043B (en) 1984-04-30
NO821848L (en) 1978-02-03
NL170955B (en) 1982-08-16
PH14625A (en) 1981-10-12
PL115586B1 (en) 1981-04-30
FI72722B (en) 1987-03-31
FI72723B (en) 1987-03-31
CS203922B2 (en) 1981-03-31
IE790585L (en) 1978-02-02
ATA124380A (en) 1981-03-15
PL115496B1 (en) 1981-04-30
MX4597E (en) 1982-06-25
PH13874A (en) 1980-10-24
YU270382A (en) 1983-10-31
IE790584L (en) 1978-02-02
DK154079C (en) 1989-02-27
FI72721B (en) 1987-03-31
DE2728499A1 (en) 1978-02-09
SE8200519L (en) 1982-01-29
HK30681A (en) 1981-07-10
FI831704L (en) 1983-05-16
SE444565B (en) 1986-04-21
YU146977A (en) 1983-06-30
ES470744A1 (en) 1979-01-16
JPS5436267A (en) 1979-03-16
JPS5436270A (en) 1979-03-16
SE433079B (en) 1984-05-07
AR216080A1 (en) 1979-11-30
HU186026B (en) 1985-05-28
NL182477C (en) 1988-03-16
PT66694A (en) 1977-07-01
NO150559B (en) 1984-07-30
BG28989A4 (en) 1980-08-15
DK326086A (en) 1986-07-09
DE2760220C2 (en) 1987-08-20
NL182805B (en) 1987-12-16
FI72119C (en) 1987-04-13
CS203923B2 (en) 1981-03-31
DK153401B (en) 1988-07-11
AU2601777A (en) 1978-09-21
NO150560B (en) 1984-07-30
RO74367A (en) 1981-11-24
RO78953A (en) 1982-04-12
NO151365C (en) 1985-03-27
CH626358A5 (en) 1981-11-13
JPS5618596B2 (en) 1981-04-30
NO150559C (en) 1984-11-07
IE45642B1 (en) 1982-10-20
MY8100267A (en) 1981-12-31
IE45641L (en) 1978-02-02
JPS5318578A (en) 1978-02-20
CA1095921A (en) 1981-02-17
IE45641B1 (en) 1982-10-20
NO150043C (en) 1984-08-15
DK154079B (en) 1988-10-10
CH625235A5 (en) 1981-09-15
FI831702A0 (en) 1983-05-16
ATA440477A (en) 1980-11-15
SE8200522L (en) 1982-01-29
HU180040B (en) 1983-01-28
FI831700A0 (en) 1983-05-16
HK30381A (en) 1981-07-10
NO150561C (en) 1984-11-07
RO78952A (en) 1982-04-12
DD132494A5 (en) 1978-10-04
BE855965A (en) 1977-12-21
FI831702L (en) 1983-05-16
JPS5618597B2 (en) 1981-04-30
SE8200521L (en) 1982-01-29
CA1117541A (en) 1982-02-02
FI72720C (en) 1987-07-10
ES470743A1 (en) 1979-01-16
DK153484C (en) 1988-11-28
BG28988A4 (en) 1980-08-15
GB1538372A (en) 1979-01-17
NL8105538A (en) 1982-04-01
NZ184342A (en) 1978-09-25
DK325986A (en) 1986-07-09
FI72119B (en) 1986-12-31
SE444564B (en) 1986-04-21
BR7703970A (en) 1978-07-04
JPS5814433B2 (en) 1983-03-18
FI831700L (en) 1983-05-16
GB1538371A (en) 1979-01-17
PH13557A (en) 1980-06-26
FI72720B (en) 1987-03-31
HK30581A (en) 1981-07-10
FI831703L (en) 1983-05-16
NO150561B (en) 1984-07-30
PH13926A (en) 1980-11-04
PL215008A1 (en) 1979-12-17
JPS5436268A (en) 1979-03-16
DE2728499C2 (en) 1986-04-03
LU77600A1 (en) 1978-02-01
NL182478C (en) 1988-03-16
FI72723C (en) 1987-07-10
JPS5436271A (en) 1979-03-16

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