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AR216080A1 - DERIVATIVES OF 4-HALO-DIHIDROPIRANO, USEFUL AS INTERMEDIARIES IN THE PREPARATION OF GAMMA-PIRONES, PROCEDURE FOR THEIR PREPARATION AND PROCEDURE TO PREPARE A GAMMA-PIRONA BASED ON SUCH INTERMEDIARIES - Google Patents

DERIVATIVES OF 4-HALO-DIHIDROPIRANO, USEFUL AS INTERMEDIARIES IN THE PREPARATION OF GAMMA-PIRONES, PROCEDURE FOR THEIR PREPARATION AND PROCEDURE TO PREPARE A GAMMA-PIRONA BASED ON SUCH INTERMEDIARIES

Info

Publication number
AR216080A1
AR216080A1 AR268164A AR26816477A AR216080A1 AR 216080 A1 AR216080 A1 AR 216080A1 AR 268164 A AR268164 A AR 268164A AR 26816477 A AR26816477 A AR 26816477A AR 216080 A1 AR216080 A1 AR 216080A1
Authority
AR
Argentina
Prior art keywords
intermediaries
gamma
procedure
preparation
pirones
Prior art date
Application number
AR268164A
Other languages
Spanish (es)
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
Application granted granted Critical
Publication of AR216080A1 publication Critical patent/AR216080A1/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)
  • Picture Signal Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Processing Of Color Television Signals (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Seasonings (AREA)
  • Control Of El Displays (AREA)
AR268164A 1976-08-02 1977-06-23 DERIVATIVES OF 4-HALO-DIHIDROPIRANO, USEFUL AS INTERMEDIARIES IN THE PREPARATION OF GAMMA-PIRONES, PROCEDURE FOR THEIR PREPARATION AND PROCEDURE TO PREPARE A GAMMA-PIRONA BASED ON SUCH INTERMEDIARIES AR216080A1 (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
AR216080A1 true AR216080A1 (en) 1979-11-30

Family

ID=27108548

Family Applications (1)

Application Number Title Priority Date Filing Date
AR268164A AR216080A1 (en) 1976-08-02 1977-06-23 DERIVATIVES OF 4-HALO-DIHIDROPIRANO, USEFUL AS INTERMEDIARIES IN THE PREPARATION OF GAMMA-PIRONES, PROCEDURE FOR THEIR PREPARATION AND PROCEDURE TO PREPARE A GAMMA-PIRONA BASED ON SUCH INTERMEDIARIES

Country Status (36)

Country Link
JP (7) JPS5318578A (en)
AR (1) AR216080A1 (en)
AT (3) AT362790B (en)
BE (1) BE855965A (en)
BG (4) BG29136A3 (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) HK30781A (en)
HU (4) HU180040B (en)
IE (5) IE45644B1 (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) RO78952A (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
US8026261B2 (en) * 2007-03-28 2011-09-27 Apotex Technologies Inc. Fluorinated derivatives of deferiprone
SI2268282T1 (en) 2008-04-25 2015-01-30 Apotex Technologies Inc. Liquid formulation for deferiprone with palatable taste
PE20120924A1 (en) 2009-07-03 2012-08-19 Apotex Technologies Inc FLUORATED DERIVATIVES OF 3-HYDROXYPYRIDIN-4-ONAS
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
DK326086A (en) 1986-07-09
PL115496B1 (en) 1981-04-30
JPS5436270A (en) 1979-03-16
SE433079B (en) 1984-05-07
IE45643B1 (en) 1982-10-20
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
IE45644B1 (en) 1982-10-20
JPS5436267A (en) 1979-03-16
NL8105539A (en) 1982-04-01
FI72720B (en) 1987-03-31
BG28988A4 (en) 1980-08-15
DK154079B (en) 1988-10-10
HK30581A (en) 1981-07-10
NL182476B (en) 1987-10-16
DE2728499C2 (en) 1986-04-03
PL115497B1 (en) 1981-04-30
ES470745A1 (en) 1979-01-16
YU42613B (en) 1988-10-31
DE2728499A1 (en) 1978-02-09
SU1015826A3 (en) 1983-04-30
NO151365C (en) 1985-03-27
FI73424C (en) 1987-10-09
AT362790B (en) 1981-06-10
DK153401B (en) 1988-07-11
MY8100267A (en) 1981-12-31
YU274782A (en) 1983-12-31
SE8200519L (en) 1982-01-29
GR68938B (en) 1982-03-29
DK153483B (en) 1988-07-18
SE8200521L (en) 1982-01-29
DK276177A (en) 1978-02-03
FI831700L (en) 1983-05-16
FI72721B (en) 1987-03-31
DK153484B (en) 1988-07-18
FI771934A (en) 1978-02-03
CA1095921A (en) 1981-02-17
CH626358A5 (en) 1981-11-13
IE790587L (en) 1978-02-02
GB1538373A (en) 1979-01-17
PL215007A1 (en) 1979-12-17
NO150560B (en) 1984-07-30
FI72723B (en) 1987-03-31
JPS5420500B2 (en) 1979-07-23
NO150561C (en) 1984-11-07
NO151365B (en) 1984-12-17
CH625798A5 (en) 1981-10-15
JPS5436266A (en) 1979-03-16
RO78952A (en) 1982-04-12
IE790585L (en) 1978-02-02
NL170955B (en) 1982-08-16
NZ184342A (en) 1978-09-25
FI72723C (en) 1987-07-10
DK153483C (en) 1988-11-28
NO821849L (en) 1978-02-03
PL115586B1 (en) 1981-04-30
NO150559B (en) 1984-07-30
DK326186A (en) 1986-07-09
FI831702L (en) 1983-05-16
SE445041B (en) 1986-05-26
YU146977A (en) 1983-06-30
LU77600A1 (en) 1978-02-01
FI831700A0 (en) 1983-05-16
GB1538372A (en) 1979-01-17
SE8200518L (en) 1982-01-29
NL182478C (en) 1988-03-16
FI72721C (en) 1987-07-10
SE445042B (en) 1986-05-26
NL182805B (en) 1987-12-16
JPS5618596B2 (en) 1981-04-30
NO150559C (en) 1984-11-07
FR2372821A1 (en) 1978-06-30
DK325986A (en) 1986-07-09
DK153401C (en) 1988-11-28
JPS5436268A (en) 1979-03-16
NO821847L (en) 1978-02-03
YU40166B (en) 1985-08-31
BE855965A (en) 1977-12-21
JPS5436271A (en) 1979-03-16
FI72722C (en) 1987-07-10
NL8105538A (en) 1982-04-01
PH13557A (en) 1980-06-26
DE2760221C2 (en) 1989-10-05
IE790586L (en) 1978-02-02
PH15185A (en) 1982-09-10
AU2601777A (en) 1978-09-21
JPS5318578A (en) 1978-02-20
MX4597E (en) 1982-06-25
NL182477C (en) 1988-03-16
IT1106258B (en) 1985-11-11
GB1538371A (en) 1979-01-17
IE45645B1 (en) 1982-10-20
NO150561B (en) 1984-07-30
NL182476C (en) 1988-03-16
SE7707035L (en) 1978-02-03
NO150043B (en) 1984-04-30
NL170955C (en) 1983-01-17
CS203923B2 (en) 1981-03-31
NO150042B (en) 1984-04-30
ATA124380A (en) 1981-03-15
DK326086D0 (en) 1986-07-09
PT66694B (en) 1978-11-17
RO78953A (en) 1982-04-12
SE8200520L (en) 1982-01-29
PT66694A (en) 1977-07-01
FI73424B (en) 1987-06-30
NL7706811A (en) 1978-02-06
ES470743A1 (en) 1979-01-16
ATA124480A (en) 1981-01-15
DD132494A5 (en) 1978-10-04
GB1538375A (en) 1979-01-17
AT364356B (en) 1981-10-12
DK325986D0 (en) 1986-07-09
HK30481A (en) 1981-07-10
NO150042C (en) 1984-08-15
YU43190B (en) 1989-04-30
JPS5729034B2 (en) 1982-06-19
BG29136A3 (en) 1980-09-15
NO150043C (en) 1984-08-15
NL182478B (en) 1987-10-16
HK30681A (en) 1981-07-10
FI831703L (en) 1983-05-16
SE444564B (en) 1986-04-21
SE452616B (en) 1987-12-07
NO821851L (en) 1978-02-03
NL8105540A (en) 1982-04-01
RO74367A (en) 1981-11-24
MY8100262A (en) 1981-12-31
FI831704L (en) 1983-05-16
DE2760220C2 (en) 1987-08-20
JPS5618597B2 (en) 1981-04-30
NO821850L (en) 1978-02-03
CA1110254A (en) 1981-10-06
IE45642B1 (en) 1982-10-20
HU186026B (en) 1985-05-28
ES459994A1 (en) 1978-11-16
FI831703A0 (en) 1983-05-16
FI72722B (en) 1987-03-31
BG28989A4 (en) 1980-08-15
CH625235A5 (en) 1981-09-15
PH14625A (en) 1981-10-12
NO772193L (en) 1978-02-03
BR7703970A (en) 1978-07-04
PL215006A1 (en) 1979-12-17
SU955859A3 (en) 1982-08-30
JPS5814433B2 (en) 1983-03-18
JPS5436269A (en) 1979-03-16
YU270382A (en) 1983-10-31
NO150560C (en) 1984-11-07
SE8200522L (en) 1982-01-29
DK154079C (en) 1989-02-27
IE45641B1 (en) 1982-10-20
ATA440477A (en) 1980-11-15
CA1117541A (en) 1982-02-02
TR19652A (en) 1979-09-17
AT363470B (en) 1981-08-10
HU185687B (en) 1985-03-28
NO834236L (en) 1978-02-03
FR2372821B1 (en) 1980-10-17
RO78951A2 (en) 1982-04-12
IE45641L (en) 1978-02-02
NL182477B (en) 1987-10-16
DK153484C (en) 1988-11-28
IE790584L (en) 1978-02-02
PH13874A (en) 1980-10-24
MY8100287A (en) 1981-12-31
PL199798A1 (en) 1979-08-27
FI72119B (en) 1986-12-31
NL182805C (en) 1988-05-16
FI831701A0 (en) 1983-05-16
NO821848L (en) 1978-02-03
PH13926A (en) 1980-11-04
FI831701L (en) 1983-05-16
SE444565B (en) 1986-04-21
NL8105537A (en) 1982-04-01
ES470744A1 (en) 1979-01-16
HU180040B (en) 1983-01-28
ES470746A1 (en) 1979-01-16
FI831702A0 (en) 1983-05-16
HK30781A (en) 1981-07-10
HK30381A (en) 1981-07-10
YU166383A (en) 1986-02-28
FI831704A0 (en) 1983-05-16
FI72720C (en) 1987-07-10
CS203922B2 (en) 1981-03-31
BG28849A3 (en) 1980-07-15
PL215008A1 (en) 1979-12-17
EG13080A (en) 1981-03-31
CS203921B2 (en) 1981-03-31
DK326186D0 (en) 1986-07-09
CH626357A5 (en) 1981-11-13
FI72119C (en) 1987-04-13

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