SE8200521L - Framstellning av 4-halo-dihydropyraner - Google Patents

Framstellning av 4-halo-dihydropyraner

Info

Publication number
SE8200521L
SE8200521L SE8200521A SE8200521A SE8200521L SE 8200521 L SE8200521 L SE 8200521L SE 8200521 A SE8200521 A SE 8200521A SE 8200521 A SE8200521 A SE 8200521A SE 8200521 L SE8200521 L SE 8200521L
Authority
SE
Sweden
Prior art keywords
pyrones
gamma
halo
preparation
dihydropyranes
Prior art date
Application number
SE8200521A
Other languages
English (en)
Other versions
SE452616B (sv
Inventor
T M Brennan
D P Brannegan
P D Weeks
D E 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 SE8200521L publication Critical patent/SE8200521L/sv
Publication of SE452616B publication Critical patent/SE452616B/sv

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)
  • Pyridine Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cosmetics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Furan Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Seasonings (AREA)

Claims (1)

PATENTRRAV
1. FOrfarande for framstgllning av en 4-halo-dihydropyranfgrefling, son hat formeln / 0 R'0 varlt It vate eller alkyl med 1-4 kolatomer, It vgte, alkyl med 1-4 kolatomer eller -COR", van i 14" Sr metyl, etyl eller fenyl, Sr vgte eller alkyl med 1-4 Xolatomer och Sr klor eller brom,kgnetecknit dgrav, att det innefattar reaktion ay ?orening, so formeln
SE8200521A 1976-08-02 1982-01-29 Forfarande for framstellning av 4-halo-2h-pyran-3(6h)-on-foreningar SE452616B (sv)

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 (2)

Publication Number Publication Date
SE8200521L true SE8200521L (sv) 1982-01-29
SE452616B SE452616B (sv) 1987-12-07

Family

ID=27108548

Family Applications (6)

Application Number Title Priority Date Filing Date
SE7707035A SE433079B (sv) 1976-08-02 1977-06-16 Forfarande for framstellning av v-pyroner
SE8200522A SE444565B (sv) 1976-08-02 1982-01-29 6,6'-oxibis/4-halo-2h-pyran-3(6h)-on/-foreningar till anvendning sasom intermediat vid framstellning av gamma-pyroner samt forfarande for framstellning derav
SE8200519A SE445042B (sv) 1976-08-02 1982-01-29 Forfarande for framstellning av gamma-pyroner
SE8200518A SE445041B (sv) 1976-08-02 1982-01-29 Forfarande for framstellning av gamma-pyroner
SE8200520A SE444564B (sv) 1976-08-02 1982-01-29 4-halogen-dihydropyranforeningar for anvendning sasom intermediat vid framstellning av gamma-pyroner samt forfarande for framstellning derav
SE8200521A SE452616B (sv) 1976-08-02 1982-01-29 Forfarande for framstellning av 4-halo-2h-pyran-3(6h)-on-foreningar

Family Applications Before (5)

Application Number Title Priority Date Filing Date
SE7707035A SE433079B (sv) 1976-08-02 1977-06-16 Forfarande for framstellning av v-pyroner
SE8200522A SE444565B (sv) 1976-08-02 1982-01-29 6,6'-oxibis/4-halo-2h-pyran-3(6h)-on/-foreningar till anvendning sasom intermediat vid framstellning av gamma-pyroner samt forfarande for framstellning derav
SE8200519A SE445042B (sv) 1976-08-02 1982-01-29 Forfarande for framstellning av gamma-pyroner
SE8200518A SE445041B (sv) 1976-08-02 1982-01-29 Forfarande for framstellning av gamma-pyroner
SE8200520A SE444564B (sv) 1976-08-02 1982-01-29 4-halogen-dihydropyranforeningar for anvendning sasom intermediat vid framstellning av gamma-pyroner samt forfarande for framstellning derav

Country Status (36)

Country Link
JP (7) JPS5318578A (sv)
AR (1) AR216080A1 (sv)
AT (3) AT362790B (sv)
BE (1) BE855965A (sv)
BG (4) BG28849A3 (sv)
BR (1) BR7703970A (sv)
CA (3) CA1095921A (sv)
CH (4) CH625798A5 (sv)
CS (3) CS203921B2 (sv)
DD (1) DD132494A5 (sv)
DE (3) DE2728499C2 (sv)
DK (4) DK153483C (sv)
EG (1) EG13080A (sv)
ES (5) ES459994A1 (sv)
FI (6) FI72722C (sv)
FR (1) FR2372821A1 (sv)
GB (5) GB1538373A (sv)
GR (1) GR68938B (sv)
HK (5) HK30681A (sv)
HU (4) HU185686B (sv)
IE (5) IE45641B1 (sv)
IT (1) IT1106258B (sv)
LU (1) LU77600A1 (sv)
MX (1) MX4597E (sv)
MY (3) MY8100267A (sv)
NL (5) NL170955C (sv)
NO (7) NO150561C (sv)
NZ (1) NZ184342A (sv)
PH (5) PH13557A (sv)
PL (4) PL115586B1 (sv)
PT (1) PT66694B (sv)
RO (4) RO78953A (sv)
SE (6) SE433079B (sv)
SU (2) SU955859A3 (sv)
TR (1) TR19652A (sv)
YU (4) YU40166B (sv)

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 (fr) * 1977-09-12 1979-04-06 Shinetsu Chemical Co Nouveaux derives de x tetrahydropyrannone(5)
JPS5741226U (sv) * 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 (sv) * 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
CN101679263B (zh) 2007-03-28 2014-01-15 阿普泰克斯科技公司 去铁酮的氟化衍生物
CA2722393A1 (en) 2008-04-25 2009-10-29 Apotex Technologies Inc. Liquid formulation for deferiprone with palatable taste
MA33985B1 (fr) 2009-07-03 2013-02-01 Apotex Technologies Inc Dérivés fluorés de 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 (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 (sv) * 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
BG28849A3 (en) 1980-07-15
FI72722C (sv) 1987-07-10
BG28988A4 (en) 1980-08-15
NO151365B (no) 1984-12-17
IE45644B1 (en) 1982-10-20
IE790584L (en) 1978-02-02
DE2728499A1 (de) 1978-02-09
FI771934A (sv) 1978-02-03
YU146977A (en) 1983-06-30
SE8200522L (sv) 1982-01-29
IT1106258B (it) 1985-11-11
IE790585L (en) 1978-02-02
DK153401C (da) 1988-11-28
AT363470B (de) 1981-08-10
IE45641L (en) 1978-02-02
NO150043B (no) 1984-04-30
SE444564B (sv) 1986-04-21
DD132494A5 (de) 1978-10-04
NL182477B (nl) 1987-10-16
CA1095921A (en) 1981-02-17
IE45641B1 (en) 1982-10-20
FI72119C (sv) 1987-04-13
FI72119B (fi) 1986-12-31
AT364356B (de) 1981-10-12
JPS5814433B2 (ja) 1983-03-18
AR216080A1 (es) 1979-11-30
NO150561C (no) 1984-11-07
NO150043C (no) 1984-08-15
FI831703A0 (fi) 1983-05-16
PH13874A (en) 1980-10-24
SE8200520L (sv) 1982-01-29
MX4597E (es) 1982-06-25
NL182477C (nl) 1988-03-16
FI72720B (fi) 1987-03-31
NO834236L (no) 1978-02-03
HK30581A (en) 1981-07-10
FI72720C (sv) 1987-07-10
CS203921B2 (en) 1981-03-31
DK326186D0 (da) 1986-07-09
ES470746A1 (es) 1979-01-16
NO821851L (no) 1978-02-03
SU1015826A3 (ru) 1983-04-30
DK153484B (da) 1988-07-18
MY8100262A (en) 1981-12-31
FI831700L (fi) 1983-05-16
SE8200519L (sv) 1982-01-29
NO150560C (no) 1984-11-07
MY8100287A (en) 1981-12-31
YU43190B (en) 1989-04-30
RO78951A2 (ro) 1982-04-12
DK153483C (da) 1988-11-28
SE445041B (sv) 1986-05-26
DE2760221C2 (sv) 1989-10-05
PL215008A1 (pl) 1979-12-17
PH15185A (en) 1982-09-10
FI831704A0 (fi) 1983-05-16
NL182805C (nl) 1988-05-16
DE2728499C2 (de) 1986-04-03
IE790587L (en) 1978-02-02
EG13080A (en) 1981-03-31
PT66694B (en) 1978-11-17
ES470744A1 (es) 1979-01-16
DK326086D0 (da) 1986-07-09
BE855965A (fr) 1977-12-21
JPS5436267A (en) 1979-03-16
CH625798A5 (en) 1981-10-15
PL115497B1 (en) 1981-04-30
DK326186A (da) 1986-07-09
NO150042B (no) 1984-04-30
PL215007A1 (pl) 1979-12-17
JPS5436271A (en) 1979-03-16
NO150559B (no) 1984-07-30
IE790586L (en) 1978-02-02
NL182476C (nl) 1988-03-16
IE45643B1 (en) 1982-10-20
DK325986D0 (da) 1986-07-09
GB1538375A (en) 1979-01-17
NL182478C (nl) 1988-03-16
ATA440477A (de) 1980-11-15
PH14625A (en) 1981-10-12
FI831700A0 (fi) 1983-05-16
FI72721C (sv) 1987-07-10
SE7707035L (sv) 1978-02-03
FI72723B (fi) 1987-03-31
SE444565B (sv) 1986-04-21
JPS5436266A (en) 1979-03-16
SE452616B (sv) 1987-12-07
YU42613B (en) 1988-10-31
JPS5318578A (en) 1978-02-20
JPS5618596B2 (sv) 1981-04-30
NO150559C (no) 1984-11-07
GB1538372A (en) 1979-01-17
BG29136A3 (en) 1980-09-15
SE445042B (sv) 1986-05-26
PH13557A (en) 1980-06-26
HK30481A (en) 1981-07-10
HU186026B (en) 1985-05-28
YU270382A (en) 1983-10-31
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
PH13926A (en) 1980-11-04
YU40166B (en) 1985-08-31
FI73424B (fi) 1987-06-30
YU166383A (en) 1986-02-28
HK30681A (en) 1981-07-10
CA1110254A (en) 1981-10-06
FI831702L (fi) 1983-05-16
LU77600A1 (sv) 1978-02-01
FR2372821B1 (sv) 1980-10-17
CA1117541A (en) 1982-02-02
GR68938B (sv) 1982-03-29
NL182476B (nl) 1987-10-16
NL8105537A (nl) 1982-04-01
JPS5436269A (en) 1979-03-16
HU180040B (en) 1983-01-28
DK153484C (da) 1988-11-28
ES459994A1 (es) 1978-11-16
FI831701A0 (fi) 1983-05-16
PL115496B1 (en) 1981-04-30
NZ184342A (en) 1978-09-25
NO150560B (no) 1984-07-30
CH626357A5 (en) 1981-11-13
RO74367A (ro) 1981-11-24
NO821847L (no) 1978-02-03
CS203922B2 (en) 1981-03-31
GB1538373A (en) 1979-01-17
NL8105540A (nl) 1982-04-01
ATA124380A (de) 1981-03-15
FI831704L (fi) 1983-05-16
DK276177A (da) 1978-02-03
BG28989A4 (en) 1980-08-15
NL8105538A (nl) 1982-04-01
JPS5420500B2 (sv) 1979-07-23
JPS5436270A (en) 1979-03-16
SE433079B (sv) 1984-05-07
JPS5436268A (en) 1979-03-16
CS203923B2 (en) 1981-03-31
FI831701L (fi) 1983-05-16
NL182805B (nl) 1987-12-16
FI72722B (fi) 1987-03-31
RO78952A (ro) 1982-04-12
HU185687B (en) 1985-03-28
NO772193L (no) 1978-02-03
FI72723C (sv) 1987-07-10
NO821848L (no) 1978-02-03
NL182478B (nl) 1987-10-16
HK30381A (en) 1981-07-10
PL115586B1 (en) 1981-04-30
CH626358A5 (en) 1981-11-13
ES470743A1 (es) 1979-01-16
NL170955B (nl) 1982-08-16
NL7706811A (nl) 1978-02-06
DK154079B (da) 1988-10-10
DK153401B (da) 1988-07-11
IE45645B1 (en) 1982-10-20
PL199798A1 (pl) 1979-08-27
DK154079C (da) 1989-02-27
DK325986A (da) 1986-07-09
PT66694A (en) 1977-07-01
FR2372821A1 (fr) 1978-06-30
FI831703L (fi) 1983-05-16
FI72721B (fi) 1987-03-31
CH625235A5 (en) 1981-09-15
GB1538371A (en) 1979-01-17
ES470745A1 (es) 1979-01-16
AU2601777A (en) 1978-09-21
JPS5729034B2 (sv) 1982-06-19
YU274782A (en) 1983-12-31
IE45642B1 (en) 1982-10-20
NO151365C (no) 1985-03-27
DK326086A (da) 1986-07-09
NO821850L (no) 1978-02-03
NO150042C (no) 1984-08-15
NO821849L (no) 1978-02-03
NL170955C (nl) 1983-01-17
AT362790B (de) 1981-06-10
FI831702A0 (fi) 1983-05-16
HK30781A (en) 1981-07-10
TR19652A (tr) 1979-09-17
NL8105539A (nl) 1982-04-01
RO78953A (ro) 1982-04-12
JPS5618597B2 (sv) 1981-04-30
SE8200518L (sv) 1982-01-29
PL215006A1 (pl) 1979-12-17
DE2760220C2 (sv) 1987-08-20
FI73424C (sv) 1987-10-09
ATA124480A (de) 1981-01-15
SU955859A3 (ru) 1982-08-30
NO150561B (no) 1984-07-30
BR7703970A (pt) 1978-07-04
MY8100267A (en) 1981-12-31
DK153483B (da) 1988-07-18

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