PL215008A1 - METHOD OF MAKING PIRANONE-3 DERIVATIVES - Google Patents

METHOD OF MAKING PIRANONE-3 DERIVATIVES

Info

Publication number
PL215008A1
PL215008A1 PL21500877A PL21500877A PL215008A1 PL 215008 A1 PL215008 A1 PL 215008A1 PL 21500877 A PL21500877 A PL 21500877A PL 21500877 A PL21500877 A PL 21500877A PL 215008 A1 PL215008 A1 PL 215008A1
Authority
PL
Poland
Prior art keywords
piranone
derivatives
making
making piranone
Prior art date
Application number
PL21500877A
Other languages
Polish (pl)
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 PL215008A1 publication Critical patent/PL215008A1/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
PL21500877A 1976-08-02 1977-07-21 METHOD OF MAKING PIRANONE-3 DERIVATIVES PL215008A1 (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 (1)

Publication Number Publication Date
PL215008A1 true PL215008A1 (en) 1979-12-17

Family

ID=27108548

Family Applications (4)

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

Family Applications Before (3)

Application Number Title Priority Date Filing Date
PL1977215007A PL115496B1 (en) 1976-08-02 1977-07-21 Process for preparing gamma-pyrones
PL1977199798A PL115586B1 (en) 1976-08-02 1977-07-21 Process for preparing gamma-pyrones
PL1977215006A PL115497B1 (en) 1976-08-02 1977-07-21 Process for preparing 4-halodihydropyranes

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) GB1538373A (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) PL115496B1 (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
CA2627529A1 (en) 2007-03-28 2008-09-28 Apotex Technologies Inc. Fluorinated derivatives of deferiprone
CA2722393A1 (en) 2008-04-25 2009-10-29 Apotex Technologies Inc. Liquid formulation for deferiprone with palatable taste
PL2448922T3 (en) 2009-07-03 2015-02-27 Apotex Tech 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
FI831701L (en) 1983-05-16
IE45643B1 (en) 1982-10-20
NL182805C (en) 1988-05-16
CH625798A5 (en) 1981-10-15
NO150560B (en) 1984-07-30
DK325986D0 (en) 1986-07-09
IE790584L (en) 1978-02-02
RO78953A (en) 1982-04-12
BE855965A (en) 1977-12-21
YU40166B (en) 1985-08-31
JPS5814433B2 (en) 1983-03-18
BG28988A4 (en) 1980-08-15
DK154079C (en) 1989-02-27
CS203922B2 (en) 1981-03-31
ES470743A1 (en) 1979-01-16
ATA124380A (en) 1981-03-15
PH15185A (en) 1982-09-10
LU77600A1 (en) 1978-02-01
YU166383A (en) 1986-02-28
IE790585L (en) 1978-02-02
EG13080A (en) 1981-03-31
PL215007A1 (en) 1979-12-17
FI831703A0 (en) 1983-05-16
DK153401B (en) 1988-07-11
PL199798A1 (en) 1979-08-27
MY8100262A (en) 1981-12-31
SE444565B (en) 1986-04-21
SE445041B (en) 1986-05-26
ES470746A1 (en) 1979-01-16
CA1117541A (en) 1982-02-02
NO834236L (en) 1978-02-03
HU180040B (en) 1983-01-28
IE45644B1 (en) 1982-10-20
IT1106258B (en) 1985-11-11
SE7707035L (en) 1978-02-03
CS203921B2 (en) 1981-03-31
DK326186D0 (en) 1986-07-09
NO150559B (en) 1984-07-30
NO150561C (en) 1984-11-07
PL115586B1 (en) 1981-04-30
JPS5420500B2 (en) 1979-07-23
SE445042B (en) 1986-05-26
GB1538375A (en) 1979-01-17
AT362790B (en) 1981-06-10
YU274782A (en) 1983-12-31
NL182476B (en) 1987-10-16
MX4597E (en) 1982-06-25
GB1538372A (en) 1979-01-17
AU2601777A (en) 1978-09-21
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
DK153483B (en) 1988-07-18
NO150043C (en) 1984-08-15
NL170955B (en) 1982-08-16
FI73424B (en) 1987-06-30
NL8105537A (en) 1982-04-01
DE2728499A1 (en) 1978-02-09
ATA124480A (en) 1981-01-15
NO150561B (en) 1984-07-30
IE45645B1 (en) 1982-10-20
DK326186A (en) 1986-07-09
NL170955C (en) 1983-01-17
NO821847L (en) 1978-02-03
NO150560C (en) 1984-11-07
HK30681A (en) 1981-07-10
NL182477B (en) 1987-10-16
IE45641L (en) 1978-02-02
RO78951A2 (en) 1982-04-12
JPS5618597B2 (en) 1981-04-30
SE8200521L (en) 1982-01-29
FI831703L (en) 1983-05-16
CH626358A5 (en) 1981-11-13
JPS5436271A (en) 1979-03-16
NO821850L (en) 1978-02-03
DD132494A5 (en) 1978-10-04
NO151365C (en) 1985-03-27
NL8105539A (en) 1982-04-01
FI72723B (en) 1987-03-31
ES470745A1 (en) 1979-01-16
FI72119C (en) 1987-04-13
FI831702A0 (en) 1983-05-16
JPS5436269A (en) 1979-03-16
NO151365B (en) 1984-12-17
NO821851L (en) 1978-02-03
JPS5436267A (en) 1979-03-16
HK30781A (en) 1981-07-10
PH14625A (en) 1981-10-12
NL182478B (en) 1987-10-16
BG28989A4 (en) 1980-08-15
SU1015826A3 (en) 1983-04-30
NO821849L (en) 1978-02-03
BG28849A3 (en) 1980-07-15
DE2760221C2 (en) 1989-10-05
DK153484C (en) 1988-11-28
GR68938B (en) 1982-03-29
DK153401C (en) 1988-11-28
GB1538373A (en) 1979-01-17
NO150042C (en) 1984-08-15
DK325986A (en) 1986-07-09
ES459994A1 (en) 1978-11-16
JPS5436268A (en) 1979-03-16
NL182477C (en) 1988-03-16
PL115497B1 (en) 1981-04-30
SE8200522L (en) 1982-01-29
NO150042B (en) 1984-04-30
FI72722B (en) 1987-03-31
ES470744A1 (en) 1979-01-16
HU185687B (en) 1985-03-28
SE8200518L (en) 1982-01-29
FR2372821B1 (en) 1980-10-17
DE2728499C2 (en) 1986-04-03
BR7703970A (en) 1978-07-04
PH13926A (en) 1980-11-04
FI72720B (en) 1987-03-31
RO78952A (en) 1982-04-12
NL8105538A (en) 1982-04-01
CS203923B2 (en) 1981-03-31
PT66694A (en) 1977-07-01
JPS5436270A (en) 1979-03-16
SE433079B (en) 1984-05-07
NO772193L (en) 1978-02-03
SU955859A3 (en) 1982-08-30
NL8105540A (en) 1982-04-01
PH13874A (en) 1980-10-24
FI831700A0 (en) 1983-05-16
SE452616B (en) 1987-12-07
FI831701A0 (en) 1983-05-16
CA1095921A (en) 1981-02-17
IE45641B1 (en) 1982-10-20
JPS5729034B2 (en) 1982-06-19
PT66694B (en) 1978-11-17
YU270382A (en) 1983-10-31
IE790587L (en) 1978-02-02
FI72723C (en) 1987-07-10
IE790586L (en) 1978-02-02
IE45642B1 (en) 1982-10-20
HK30481A (en) 1981-07-10
FI831704A0 (en) 1983-05-16
MY8100287A (en) 1981-12-31
YU43190B (en) 1989-04-30
CH626357A5 (en) 1981-11-13
HK30381A (en) 1981-07-10
DE2760220C2 (en) 1987-08-20
RO74367A (en) 1981-11-24
AT364356B (en) 1981-10-12
DK326086D0 (en) 1986-07-09
JPS5436266A (en) 1979-03-16
FI72722C (en) 1987-07-10
FI72119B (en) 1986-12-31
AT363470B (en) 1981-08-10
JPS5318578A (en) 1978-02-20
NL182478C (en) 1988-03-16
CA1110254A (en) 1981-10-06
CH625235A5 (en) 1981-09-15
JPS5618596B2 (en) 1981-04-30
NO150559C (en) 1984-11-07
DK326086A (en) 1986-07-09
HK30581A (en) 1981-07-10
DK276177A (en) 1978-02-03
PL215006A1 (en) 1979-12-17
PH13557A (en) 1980-06-26
FI72721B (en) 1987-03-31
NZ184342A (en) 1978-09-25
FI771934A (en) 1978-02-03
FI72720C (en) 1987-07-10
PL115496B1 (en) 1981-04-30
FI72721C (en) 1987-07-10
SE444564B (en) 1986-04-21
SE8200519L (en) 1982-01-29
SE8200520L (en) 1982-01-29
FI831704L (en) 1983-05-16
GB1538371A (en) 1979-01-17
AR216080A1 (en) 1979-11-30
NL182476C (en) 1988-03-16
DK153483C (en) 1988-11-28
YU42613B (en) 1988-10-31
DK153484B (en) 1988-07-18
NL7706811A (en) 1978-02-06
MY8100267A (en) 1981-12-31
NO150043B (en) 1984-04-30
FI831702L (en) 1983-05-16
FI73424C (en) 1987-10-09
TR19652A (en) 1979-09-17
YU146977A (en) 1983-06-30
BG29136A3 (en) 1980-09-15
FI831700L (en) 1983-05-16
FR2372821A1 (en) 1978-06-30
HU186026B (en) 1985-05-28
NO821848L (en) 1978-02-03
ATA440477A (en) 1980-11-15
DK154079B (en) 1988-10-10
NL182805B (en) 1987-12-16

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