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DK326186D0 - Fremgangsmaade til fremstilling af 4-halogen-2h-pyran-3(6h)-on-forbindelser - Google Patents

Fremgangsmaade til fremstilling af 4-halogen-2h-pyran-3(6h)-on-forbindelser

Info

Publication number
DK326186D0
DK326186D0 DK326186A DK326186A DK326186D0 DK 326186 D0 DK326186 D0 DK 326186D0 DK 326186 A DK326186 A DK 326186A DK 326186 A DK326186 A DK 326186A DK 326186 D0 DK326186 D0 DK 326186D0
Authority
DK
Denmark
Prior art keywords
pyrane
halogen
preparing
compounds
procedure
Prior art date
Application number
DK326186A
Other languages
English (en)
Other versions
DK326186A (da
DK154079B (da
DK154079C (da
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 DK326186A publication Critical patent/DK326186A/da
Publication of DK326186D0 publication Critical patent/DK326186D0/da
Publication of DK154079B publication Critical patent/DK154079B/da
Application granted granted Critical
Publication of DK154079C publication Critical patent/DK154079C/da

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)
  • Pyridine Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cosmetics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Furan Compounds (AREA)
  • Picture Signal Circuits (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Processing Of Color Television Signals (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Control Of El Displays (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Seasonings (AREA)
DK326186A 1976-08-02 1986-07-09 Fremgangsmaade til fremstilling af 4-halogen-2h-pyran-3(6h)-on-forbindelser DK154079C (da)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US71090176A 1976-08-02 1976-08-02
US71090176 1976-08-02
US72188576 1976-09-09
US05/721,885 US4082717A (en) 1976-08-02 1976-09-09 Preparation of gamma-pyrones
DK276177A DK153483C (da) 1976-08-02 1977-06-22 Fremgangsmaade til fremstilling af gamma-pyroner
DK276177 1977-06-22

Publications (4)

Publication Number Publication Date
DK326186A DK326186A (da) 1986-07-09
DK326186D0 true DK326186D0 (da) 1986-07-09
DK154079B DK154079B (da) 1988-10-10
DK154079C DK154079C (da) 1989-02-27

Family

ID=27108548

Family Applications (4)

Application Number Title Priority Date Filing Date
DK276177A DK153483C (da) 1976-08-02 1977-06-22 Fremgangsmaade til fremstilling af gamma-pyroner
DK326086A DK153401C (da) 1976-08-02 1986-07-09 4-halogen-6-hydroxy-2h-pyran-3(6h)-on-forbindelser til anvendelse som mellemprodukter ved fremstilling af gamma-pyroner og fremgangsmaade til fremstilling af mellemprodukt-forbindelserne
DK326186A DK154079C (da) 1976-08-02 1986-07-09 Fremgangsmaade til fremstilling af 4-halogen-2h-pyran-3(6h)-on-forbindelser
DK325986A DK153484C (da) 1976-08-02 1986-07-09 Fremgangsmaade til fremstilling af gamma-pyroner

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DK276177A DK153483C (da) 1976-08-02 1977-06-22 Fremgangsmaade til fremstilling af gamma-pyroner
DK326086A DK153401C (da) 1976-08-02 1986-07-09 4-halogen-6-hydroxy-2h-pyran-3(6h)-on-forbindelser til anvendelse som mellemprodukter ved fremstilling af gamma-pyroner og fremgangsmaade til fremstilling af mellemprodukt-forbindelserne

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK325986A DK153484C (da) 1976-08-02 1986-07-09 Fremgangsmaade til fremstilling af gamma-pyroner

Country Status (36)

Country Link
JP (7) JPS5318578A (da)
AR (1) AR216080A1 (da)
AT (3) AT362790B (da)
BE (1) BE855965A (da)
BG (4) BG29136A3 (da)
BR (1) BR7703970A (da)
CA (3) CA1095921A (da)
CH (4) CH625798A5 (da)
CS (3) CS203921B2 (da)
DD (1) DD132494A5 (da)
DE (3) DE2760220C2 (da)
DK (4) DK153483C (da)
EG (1) EG13080A (da)
ES (5) ES459994A1 (da)
FI (6) FI72722C (da)
FR (1) FR2372821A1 (da)
GB (5) GB1538372A (da)
GR (1) GR68938B (da)
HK (5) HK30381A (da)
HU (4) HU185686B (da)
IE (5) IE45643B1 (da)
IT (1) IT1106258B (da)
LU (1) LU77600A1 (da)
MX (1) MX4597E (da)
MY (3) MY8100267A (da)
NL (5) NL170955C (da)
NO (7) NO150561C (da)
NZ (1) NZ184342A (da)
PH (5) PH13557A (da)
PL (4) PL115496B1 (da)
PT (1) PT66694B (da)
RO (4) RO74367A (da)
SE (6) SE433079B (da)
SU (2) SU955859A3 (da)
TR (1) TR19652A (da)
YU (4) YU40166B (da)

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 (fr) * 1977-09-12 1979-04-06 Shinetsu Chemical Co Nouveaux derives de x tetrahydropyrannone(5)
JPS5444675A (en) * 1977-09-12 1979-04-09 Shin Etsu Chem Co Ltd Production of 3-hydroxy-4-pyrone analog
JPS5741226U (da) * 1980-08-20 1982-03-05
JPS59135008U (ja) * 1983-02-28 1984-09-10 松下電工株式会社 分電盤装置
JPS6050245A (ja) * 1983-08-29 1985-03-19 Nissan Motor Co Ltd 内燃機関の燃料噴射装置
JPH0226945Y2 (da) * 1985-09-11 1990-07-20
JP2586607B2 (ja) * 1987-10-30 1997-03-05 日産化学工業株式会社 光学活性アルコールの製造法
AU2008232262B2 (en) 2007-03-28 2013-02-14 Apotex Inc. Fluorinated derivatives of deferiprone
US8703156B2 (en) 2008-04-25 2014-04-22 Apotex Technologies Inc. Liquid formulation for deferiprone with palatable taste
PE20120924A1 (es) 2009-07-03 2012-08-19 Apotex Technologies Inc Derivados fluorados de 3-hidroxipiridin-4-onas
WO2017168309A1 (en) * 2016-03-29 2017-10-05 Dr. Reddy’S Laboratories Limited Process for preparation of eribulin and intermediates thereof
CN108609456B (zh) * 2016-12-13 2021-03-12 奥的斯电梯公司 可打开扩展面板及具有其的电梯吊顶,轿厢和系统
CN111606879A (zh) * 2020-05-25 2020-09-01 安徽金禾实业股份有限公司 一锅法制备2-羟甲基-3-烷氧基-4h-吡喃-4-酮的方法

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 (da) * 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
IE45645B1 (en) 1982-10-20
HK30381A (en) 1981-07-10
DE2760220C2 (da) 1987-08-20
SE8200519L (sv) 1982-01-29
JPS5814433B2 (ja) 1983-03-18
NO821849L (no) 1978-02-03
SE445041B (sv) 1986-05-26
FI72721B (fi) 1987-03-31
NO821847L (no) 1978-02-03
IE45643B1 (en) 1982-10-20
NO821851L (no) 1978-02-03
FI72721C (fi) 1987-07-10
AT364356B (de) 1981-10-12
NO150042C (no) 1984-08-15
PH13557A (en) 1980-06-26
PH13926A (en) 1980-11-04
AT362790B (de) 1981-06-10
YU166383A (en) 1986-02-28
DE2728499C2 (de) 1986-04-03
GB1538373A (en) 1979-01-17
ES470744A1 (es) 1979-01-16
HU180040B (en) 1983-01-28
DE2760221C2 (da) 1989-10-05
ES470745A1 (es) 1979-01-16
BG28989A4 (en) 1980-08-15
JPS5436266A (en) 1979-03-16
JPS5436269A (en) 1979-03-16
PL115586B1 (en) 1981-04-30
NL8105538A (nl) 1982-04-01
NL182476C (nl) 1988-03-16
DD132494A5 (de) 1978-10-04
CA1110254A (en) 1981-10-06
NL8105537A (nl) 1982-04-01
BG29136A3 (bg) 1980-09-15
FI831700L (fi) 1983-05-16
FI831700A0 (fi) 1983-05-16
GB1538372A (en) 1979-01-17
JPS5618597B2 (da) 1981-04-30
SE8200521L (sv) 1982-01-29
JPS5436268A (en) 1979-03-16
AR216080A1 (es) 1979-11-30
IE45641L (en) 1978-02-02
HK30681A (en) 1981-07-10
HU185687B (en) 1985-03-28
IE790584L (en) 1978-02-02
FI73424C (fi) 1987-10-09
ES459994A1 (es) 1978-11-16
AU2601777A (en) 1978-09-21
PL199798A1 (pl) 1979-08-27
FI831703L (fi) 1983-05-16
DK276177A (da) 1978-02-03
PT66694A (en) 1977-07-01
DK326086A (da) 1986-07-09
YU42613B (en) 1988-10-31
CH625798A5 (en) 1981-10-15
PH13874A (en) 1980-10-24
MY8100287A (en) 1981-12-31
YU43190B (en) 1989-04-30
NO150560B (no) 1984-07-30
HK30581A (en) 1981-07-10
BG28988A4 (en) 1980-08-15
NO151365B (no) 1984-12-17
NL7706811A (nl) 1978-02-06
NL182478C (nl) 1988-03-16
CS203923B2 (en) 1981-03-31
FI831704L (fi) 1983-05-16
TR19652A (tr) 1979-09-17
CH626358A5 (en) 1981-11-13
IE790587L (en) 1978-02-02
FR2372821A1 (fr) 1978-06-30
NZ184342A (en) 1978-09-25
SE444564B (sv) 1986-04-21
LU77600A1 (da) 1978-02-01
MX4597E (es) 1982-06-25
FI73424B (fi) 1987-06-30
SE7707035L (sv) 1978-02-03
NL182476B (nl) 1987-10-16
NO150561B (no) 1984-07-30
JPS5436270A (en) 1979-03-16
SE433079B (sv) 1984-05-07
SE452616B (sv) 1987-12-07
DK153401C (da) 1988-11-28
NO150560C (no) 1984-11-07
JPS5729034B2 (da) 1982-06-19
PL215006A1 (pl) 1979-12-17
NO821848L (no) 1978-02-03
PH15185A (en) 1982-09-10
RO78953A (ro) 1982-04-12
CS203922B2 (en) 1981-03-31
IE790585L (en) 1978-02-02
SE8200522L (sv) 1982-01-29
ATA124480A (de) 1981-01-15
RO74367A (ro) 1981-11-24
MY8100262A (en) 1981-12-31
NL182805B (nl) 1987-12-16
SE8200520L (sv) 1982-01-29
SU955859A3 (ru) 1982-08-30
CA1117541A (en) 1982-02-02
FR2372821B1 (da) 1980-10-17
FI72119C (fi) 1987-04-13
FI72722C (fi) 1987-07-10
FI72119B (fi) 1986-12-31
NO772193L (no) 1978-02-03
NO821850L (no) 1978-02-03
CA1095921A (en) 1981-02-17
NO834236L (no) 1978-02-03
IE45642B1 (en) 1982-10-20
FI831702L (fi) 1983-05-16
DK326186A (da) 1986-07-09
YU40166B (en) 1985-08-31
IE45644B1 (en) 1982-10-20
FI72720C (fi) 1987-07-10
HK30481A (en) 1981-07-10
SE444565B (sv) 1986-04-21
DK325986D0 (da) 1986-07-09
FI831702A0 (fi) 1983-05-16
NL182477B (nl) 1987-10-16
PL115497B1 (en) 1981-04-30
JPS5436267A (en) 1979-03-16
MY8100267A (en) 1981-12-31
IE45641B1 (en) 1982-10-20
FI831701L (fi) 1983-05-16
NO151365C (no) 1985-03-27
FI831703A0 (fi) 1983-05-16
PT66694B (en) 1978-11-17
AT363470B (de) 1981-08-10
JPS5318578A (en) 1978-02-20
HU186026B (en) 1985-05-28
ATA124380A (de) 1981-03-15
DK153483B (da) 1988-07-18
DK326086D0 (da) 1986-07-09
BR7703970A (pt) 1978-07-04
ATA440477A (de) 1980-11-15
IT1106258B (it) 1985-11-11
DK153483C (da) 1988-11-28
JPS5420500B2 (da) 1979-07-23
NO150559B (no) 1984-07-30
CH625235A5 (en) 1981-09-15
CH626357A5 (en) 1981-11-13
GR68938B (da) 1982-03-29
NL182477C (nl) 1988-03-16
GB1538371A (en) 1979-01-17
NL182478B (nl) 1987-10-16
FI72720B (fi) 1987-03-31
DK325986A (da) 1986-07-09
RO78952A (ro) 1982-04-12
BE855965A (fr) 1977-12-21
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
IE790586L (en) 1978-02-02
HK30781A (en) 1981-07-10
PH14625A (en) 1981-10-12
NL182805C (nl) 1988-05-16
NL8105539A (nl) 1982-04-01
YU146977A (en) 1983-06-30
PL215007A1 (pl) 1979-12-17
DK153401B (da) 1988-07-11
ES470743A1 (es) 1979-01-16
DK153484C (da) 1988-11-28
NO150043C (no) 1984-08-15
CS203921B2 (en) 1981-03-31
RO78951A2 (ro) 1982-04-12
DE2728499A1 (de) 1978-02-09
FI72723C (fi) 1987-07-10
DK154079B (da) 1988-10-10
PL115496B1 (en) 1981-04-30
YU274782A (en) 1983-12-31
FI72722B (fi) 1987-03-31
NO150561C (no) 1984-11-07
YU270382A (en) 1983-10-31
DK153484B (da) 1988-07-18
BG28849A3 (bg) 1980-07-15
NO150043B (no) 1984-04-30
NL8105540A (nl) 1982-04-01
FI771934A7 (da) 1978-02-03
NL170955B (nl) 1982-08-16
EG13080A (en) 1981-03-31
GB1538375A (en) 1979-01-17
SE445042B (sv) 1986-05-26
DK154079C (da) 1989-02-27
NL170955C (nl) 1983-01-17
PL215008A1 (pl) 1979-12-17
ES470746A1 (es) 1979-01-16
FI72723B (fi) 1987-03-31
NO150042B (no) 1984-04-30
SU1015826A3 (ru) 1983-04-30
JPS5618596B2 (da) 1981-04-30
NO150559C (no) 1984-11-07
SE8200518L (sv) 1982-01-29
JPS5436271A (en) 1979-03-16
FI831701A0 (fi) 1983-05-16
FI831704A0 (fi) 1983-05-16

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