NO821849L - 4-HALOGEN-DIHYDROPYRANE COMPOUND AND PROCEDURE FOR PREPARING IT - Google Patents

4-HALOGEN-DIHYDROPYRANE COMPOUND AND PROCEDURE FOR PREPARING IT

Info

Publication number
NO821849L
NO821849L NO821849A NO821849A NO821849L NO 821849 L NO821849 L NO 821849L NO 821849 A NO821849 A NO 821849A NO 821849 A NO821849 A NO 821849A NO 821849 L NO821849 L NO 821849L
Authority
NO
Norway
Prior art keywords
halogen
preparing
procedure
dihydropyrane compound
dihydropyrane
Prior art date
Application number
NO821849A
Other languages
Norwegian (no)
Other versions
NO150559B (en
NO150559C (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
Publication of NO821849L publication Critical patent/NO821849L/en
Application filed by Pfizer filed Critical Pfizer
Publication of NO150559B publication Critical patent/NO150559B/en
Publication of NO150559C publication Critical patent/NO150559C/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

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Picture Signal Circuits (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)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
NO821849A 1976-08-02 1982-06-03 4-HALOGEN-DIHYDROPYRANE COMPOUNDS AND PROCEDURES FOR PREPARING THEREOF NO150559C (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 (3)

Publication Number Publication Date
NO821849L true NO821849L (en) 1978-02-03
NO150559B NO150559B (en) 1984-07-30
NO150559C NO150559C (en) 1984-11-07

Family

ID=27108548

Family Applications (7)

Application Number Title Priority Date Filing Date
NO772193A NO150561C (en) 1976-08-02 1977-06-22 PROCEDURE FOR MANUFACTURING GAMMA PYRONS
NO821850A NO821850L (en) 1976-08-02 1982-06-03 PROCEDURE FOR THE PREPARATION OF 4-HALOGEN-DIHYDROPYRANE DERIVATIVES
NO821848A NO150043C (en) 1976-08-02 1982-06-03 PROCEDURE FOR MANUFACTURING GAMMA PYRONS
NO821849A NO150559C (en) 1976-08-02 1982-06-03 4-HALOGEN-DIHYDROPYRANE COMPOUNDS AND PROCEDURES FOR PREPARING THEREOF
NO821847A NO150042C (en) 1976-08-02 1982-06-03 PROCEDURE FOR MANUFACTURING GAMMA PYRONS
NO821851A NO150560C (en) 1976-08-02 1982-06-03 6,6`-OXYBIS HALOGEN-SUBSTITUTED PYRON DERIVATIVES AND PROCEDURES FOR PREPARING THEREOF
NO834236A NO151365C (en) 1976-08-02 1983-11-18 PROCEDURE FOR THE PREPARATION OF 4-HALOGEN-DIHYDROPYRANE DERIVATIVES.

Family Applications Before (3)

Application Number Title Priority Date Filing Date
NO772193A NO150561C (en) 1976-08-02 1977-06-22 PROCEDURE FOR MANUFACTURING GAMMA PYRONS
NO821850A NO821850L (en) 1976-08-02 1982-06-03 PROCEDURE FOR THE PREPARATION OF 4-HALOGEN-DIHYDROPYRANE DERIVATIVES
NO821848A NO150043C (en) 1976-08-02 1982-06-03 PROCEDURE FOR MANUFACTURING GAMMA PYRONS

Family Applications After (3)

Application Number Title Priority Date Filing Date
NO821847A NO150042C (en) 1976-08-02 1982-06-03 PROCEDURE FOR MANUFACTURING GAMMA PYRONS
NO821851A NO150560C (en) 1976-08-02 1982-06-03 6,6`-OXYBIS HALOGEN-SUBSTITUTED PYRON DERIVATIVES AND PROCEDURES FOR PREPARING THEREOF
NO834236A NO151365C (en) 1976-08-02 1983-11-18 PROCEDURE FOR THE PREPARATION OF 4-HALOGEN-DIHYDROPYRANE DERIVATIVES.

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) DE2728499C2 (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) HK30481A (en)
HU (4) HU185687B (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) PL115586B1 (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
WO2009129592A1 (en) 2008-04-25 2009-10-29 Apotex Technologies Inc. Liquid formulation for deferiprone with palatable taste
ME01911B (en) 2009-07-03 2014-12-20 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
FI72723C (en) 1987-07-10
NL8105538A (en) 1982-04-01
JPS5814433B2 (en) 1983-03-18
IE45644B1 (en) 1982-10-20
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
FI831704L (en) 1983-05-16
ES470745A1 (en) 1979-01-16
PT66694B (en) 1978-11-17
SE8200522L (en) 1982-01-29
PL215007A1 (en) 1979-12-17
CH626357A5 (en) 1981-11-13
HK30381A (en) 1981-07-10
DE2728499C2 (en) 1986-04-03
NO150560B (en) 1984-07-30
NL182805C (en) 1988-05-16
FI72721C (en) 1987-07-10
CA1095921A (en) 1981-02-17
DK153484B (en) 1988-07-18
CH625798A5 (en) 1981-10-15
CH625235A5 (en) 1981-09-15
CA1110254A (en) 1981-10-06
DE2760221C2 (en) 1989-10-05
JPS5618597B2 (en) 1981-04-30
IE45643B1 (en) 1982-10-20
NL8105540A (en) 1982-04-01
IE790587L (en) 1978-02-02
NO150561C (en) 1984-11-07
PH13926A (en) 1980-11-04
JPS5436267A (en) 1979-03-16
SE8200520L (en) 1982-01-29
PH14625A (en) 1981-10-12
SU955859A3 (en) 1982-08-30
HK30681A (en) 1981-07-10
NO150043B (en) 1984-04-30
FI73424B (en) 1987-06-30
PL115496B1 (en) 1981-04-30
DK154079B (en) 1988-10-10
DE2760220C2 (en) 1987-08-20
DK153483B (en) 1988-07-18
JPS5436269A (en) 1979-03-16
IE790586L (en) 1978-02-02
AT363470B (en) 1981-08-10
FI831704A0 (en) 1983-05-16
MY8100267A (en) 1981-12-31
MY8100287A (en) 1981-12-31
SE445042B (en) 1986-05-26
NO821850L (en) 1978-02-03
BR7703970A (en) 1978-07-04
YU42613B (en) 1988-10-31
SE8200521L (en) 1982-01-29
HK30481A (en) 1981-07-10
FI771934A (en) 1978-02-03
IE45641B1 (en) 1982-10-20
ATA124380A (en) 1981-03-15
HU180040B (en) 1983-01-28
IE790584L (en) 1978-02-02
ES470743A1 (en) 1979-01-16
PL115497B1 (en) 1981-04-30
HU185687B (en) 1985-03-28
FI72720B (en) 1987-03-31
CS203921B2 (en) 1981-03-31
DK326186D0 (en) 1986-07-09
FI72722C (en) 1987-07-10
YU270382A (en) 1983-10-31
ATA124480A (en) 1981-01-15
NL182478C (en) 1988-03-16
NL8105537A (en) 1982-04-01
DK153401B (en) 1988-07-11
BG28989A4 (en) 1980-08-15
ES470744A1 (en) 1979-01-16
SE7707035L (en) 1978-02-03
JPS5436270A (en) 1979-03-16
SE433079B (en) 1984-05-07
PH13557A (en) 1980-06-26
SE452616B (en) 1987-12-07
PL115586B1 (en) 1981-04-30
RO74367A (en) 1981-11-24
SE8200518L (en) 1982-01-29
YU146977A (en) 1983-06-30
DK276177A (en) 1978-02-03
FI831702L (en) 1983-05-16
DK326186A (en) 1986-07-09
MX4597E (en) 1982-06-25
DK326086D0 (en) 1986-07-09
NO821848L (en) 1978-02-03
TR19652A (en) 1979-09-17
BG28849A3 (en) 1980-07-15
JPS5436266A (en) 1979-03-16
NL182477B (en) 1987-10-16
BG29136A3 (en) 1980-09-15
FR2372821B1 (en) 1980-10-17
SE8200519L (en) 1982-01-29
ES459994A1 (en) 1978-11-16
FI831703L (en) 1983-05-16
JPS5436271A (en) 1979-03-16
YU166383A (en) 1986-02-28
NO150042C (en) 1984-08-15
FI72721B (en) 1987-03-31
EG13080A (en) 1981-03-31
NL182805B (en) 1987-12-16
HU186026B (en) 1985-05-28
SU1015826A3 (en) 1983-04-30
NO150560C (en) 1984-11-07
GB1538373A (en) 1979-01-17
NL170955C (en) 1983-01-17
NL182476B (en) 1987-10-16
CS203923B2 (en) 1981-03-31
BG28988A4 (en) 1980-08-15
HK30781A (en) 1981-07-10
ES470746A1 (en) 1979-01-16
NO834236L (en) 1978-02-03
FI831702A0 (en) 1983-05-16
NO772193L (en) 1978-02-03
NO151365B (en) 1984-12-17
DK153484C (en) 1988-11-28
GB1538371A (en) 1979-01-17
ATA440477A (en) 1980-11-15
IT1106258B (en) 1985-11-11
IE45642B1 (en) 1982-10-20
FI72723B (en) 1987-03-31
RO78951A2 (en) 1982-04-12
JPS5420500B2 (en) 1979-07-23
NL182477C (en) 1988-03-16
JPS5318578A (en) 1978-02-20
CA1117541A (en) 1982-02-02
FI72119B (en) 1986-12-31
FI831701A0 (en) 1983-05-16
LU77600A1 (en) 1978-02-01
PH13874A (en) 1980-10-24
YU40166B (en) 1985-08-31
NL170955B (en) 1982-08-16
FI73424C (en) 1987-10-09
GB1538375A (en) 1979-01-17
CS203922B2 (en) 1981-03-31
CH626358A5 (en) 1981-11-13
SE445041B (en) 1986-05-26
AT362790B (en) 1981-06-10
PT66694A (en) 1977-07-01
DK326086A (en) 1986-07-09
NO151365C (en) 1985-03-27
NO150559B (en) 1984-07-30
NL8105539A (en) 1982-04-01
SE444565B (en) 1986-04-21
YU43190B (en) 1989-04-30
YU274782A (en) 1983-12-31
NO821847L (en) 1978-02-03
DK153401C (en) 1988-11-28
FI72720C (en) 1987-07-10
MY8100262A (en) 1981-12-31
NO150042B (en) 1984-04-30
SE444564B (en) 1986-04-21
AT364356B (en) 1981-10-12
FI72722B (en) 1987-03-31
HK30581A (en) 1981-07-10
FI831700L (en) 1983-05-16
FI72119C (en) 1987-04-13
FR2372821A1 (en) 1978-06-30
RO78953A (en) 1982-04-12
IE790585L (en) 1978-02-02
JPS5729034B2 (en) 1982-06-19
DE2728499A1 (en) 1978-02-09
NL7706811A (en) 1978-02-06
IE45641L (en) 1978-02-02
NL182478B (en) 1987-10-16
PL199798A1 (en) 1979-08-27
NO821851L (en) 1978-02-03
JPS5618596B2 (en) 1981-04-30
NO150559C (en) 1984-11-07
JPS5436268A (en) 1979-03-16
NO150561B (en) 1984-07-30
DK153483C (en) 1988-11-28
GB1538372A (en) 1979-01-17
BE855965A (en) 1977-12-21
NZ184342A (en) 1978-09-25
PH15185A (en) 1982-09-10
FI831701L (en) 1983-05-16
PL215006A1 (en) 1979-12-17
IE45645B1 (en) 1982-10-20
DK154079C (en) 1989-02-27
DK325986A (en) 1986-07-09
AU2601777A (en) 1978-09-21
NO150043C (en) 1984-08-15
RO78952A (en) 1982-04-12
NL182476C (en) 1988-03-16
GR68938B (en) 1982-03-29
DK325986D0 (en) 1986-07-09
FI831703A0 (en) 1983-05-16
PL215008A1 (en) 1979-12-17
DD132494A5 (en) 1978-10-04
FI831700A0 (en) 1983-05-16
AR216080A1 (en) 1979-11-30

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