SE8200519L - Framstellning av gamma-pyroner - Google Patents

Framstellning av gamma-pyroner

Info

Publication number
SE8200519L
SE8200519L SE8200519A SE8200519A SE8200519L SE 8200519 L SE8200519 L SE 8200519L SE 8200519 A SE8200519 A SE 8200519A SE 8200519 A SE8200519 A SE 8200519A SE 8200519 L SE8200519 L SE 8200519L
Authority
SE
Sweden
Prior art keywords
gamma
alkyl
pyrones
pyrons
old
Prior art date
Application number
SE8200519A
Other languages
English (en)
Other versions
SE445042B (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 SE8200519L publication Critical patent/SE8200519L/sv
Publication of SE445042B publication Critical patent/SE445042B/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

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrane Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyridine Compounds (AREA)
  • Cosmetics (AREA)
  • Saccharide Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Furan Compounds (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (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)
  • Control Of El Displays (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Seasonings (AREA)

Claims (1)

PATENTERAV
1. FOrfarande for framstallning av en gamma-pyron, som her formeln van i R Sr vate oiler alkyl med 1-4 kolatomer och R"' betecknar vate slier alkyl med 1-4 kolatomer,kannetecknat darav, att en forening, corn har formeln (21)Ans n Rotel (51 )Klass (74)0mbud NY US P Branneg )01d Lyme, (I) en ekvivalent av en halogenhaltig oxidant utvald bland klor, brom, bromklerid, hypoklorsyrlighet, hypobromsyrlighet eller en blandning darav och att reaktionsblandningen upphettas tills hydrolys av del erhallna 4-halo-dihydropyranintermedlatet Sr vasentligen fullstandig. r 8200519-0 8068 C 07 D WOO Branns an 3)P D 2)Pawcatuk, (IV) R'OR van i R och 12'" har oven angiven betydelse och 12' Sr vate, alkyl med 1-4 Soarer eller -CO" van i R" Sr metyl, etyl oiler fenyl, briatt reageravattenlosning mod minst
SE8200519A 1976-08-02 1982-01-29 Forfarande for framstellning av gamma-pyroner SE445042B (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
SE8200519L true SE8200519L (sv) 1982-01-29
SE445042B SE445042B (sv) 1986-05-26

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
SE8200521A SE452616B (sv) 1976-08-02 1982-01-29 Forfarande for framstellning av 4-halo-2h-pyran-3(6h)-on-foreningar
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
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
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

Family Applications Before (3)

Application Number Title Priority Date Filing Date
SE7707035A SE433079B (sv) 1976-08-02 1977-06-16 Forfarande for framstellning av v-pyroner
SE8200521A SE452616B (sv) 1976-08-02 1982-01-29 Forfarande for framstellning av 4-halo-2h-pyran-3(6h)-on-foreningar
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

Family Applications After (2)

Application Number Title Priority Date Filing Date
SE8200518A SE445041B (sv) 1976-08-02 1982-01-29 Forfarande for framstellning av gamma-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

Country Status (36)

Country Link
JP (7) JPS5318578A (sv)
AR (1) AR216080A1 (sv)
AT (3) AT362790B (sv)
BE (1) BE855965A (sv)
BG (4) BG28989A4 (sv)
BR (1) BR7703970A (sv)
CA (3) CA1095921A (sv)
CH (4) CH625798A5 (sv)
CS (3) CS203921B2 (sv)
DD (1) DD132494A5 (sv)
DE (3) DE2760221C2 (sv)
DK (4) DK153483C (sv)
EG (1) EG13080A (sv)
ES (5) ES459994A1 (sv)
FI (6) FI72722C (sv)
FR (1) FR2372821A1 (sv)
GB (5) GB1538371A (sv)
GR (1) GR68938B (sv)
HK (5) HK30581A (sv)
HU (4) HU186026B (sv)
IE (5) IE45642B1 (sv)
IT (1) IT1106258B (sv)
LU (1) LU77600A1 (sv)
MX (1) MX4597E (sv)
MY (3) MY8100287A (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
CA2681545C (en) 2007-03-28 2013-10-01 Apotex Technologies Inc. Fluorinated derivatives of deferiprone
PL2268282T3 (pl) 2008-04-25 2015-04-30 Apotex Tech Inc Płynny preparat deferypronu o przyjemnym smaku
ME01911B (me) 2009-07-03 2014-12-20 Apotex Tech Inc Fluorisani derivati 3-hidroksipiridin-4-ona
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
HU186026B (en) 1985-05-28
FI831702A0 (fi) 1983-05-16
DK153483C (da) 1988-11-28
DK326086A (da) 1986-07-09
CS203923B2 (en) 1981-03-31
PH15185A (en) 1982-09-10
SU955859A3 (ru) 1982-08-30
FI831701A0 (fi) 1983-05-16
ES470746A1 (es) 1979-01-16
NL182805C (nl) 1988-05-16
NO821847L (no) 1978-02-03
ES470745A1 (es) 1979-01-16
JPS5436271A (en) 1979-03-16
NO821850L (no) 1978-02-03
CH625798A5 (en) 1981-10-15
SU1015826A3 (ru) 1983-04-30
FI831701L (fi) 1983-05-16
DK326086D0 (da) 1986-07-09
NO821848L (no) 1978-02-03
YU270382A (en) 1983-10-31
FI72723C (sv) 1987-07-10
NO150043B (no) 1984-04-30
JPS5814433B2 (ja) 1983-03-18
NO772193L (no) 1978-02-03
IE45645B1 (en) 1982-10-20
FI831704L (fi) 1983-05-16
CA1095921A (en) 1981-02-17
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
NO150561B (no) 1984-07-30
BG29136A3 (bg) 1980-09-15
BG28849A3 (bg) 1980-07-15
CA1117541A (en) 1982-02-02
SE445042B (sv) 1986-05-26
NL182476C (nl) 1988-03-16
NO151365B (no) 1984-12-17
FI72721C (sv) 1987-07-10
FI831704A0 (fi) 1983-05-16
DK325986A (da) 1986-07-09
AU2601777A (en) 1978-09-21
YU42613B (en) 1988-10-31
PL115586B1 (en) 1981-04-30
IE45643B1 (en) 1982-10-20
RO78953A (ro) 1982-04-12
SE8200518L (sv) 1982-01-29
NO150043C (no) 1984-08-15
CA1110254A (en) 1981-10-06
YU146977A (en) 1983-06-30
NL8105538A (nl) 1982-04-01
JPS5618596B2 (sv) 1981-04-30
NO150559C (no) 1984-11-07
NO821851L (no) 1978-02-03
NO150560B (no) 1984-07-30
FI72720B (fi) 1987-03-31
DK325986D0 (da) 1986-07-09
JPS5436267A (en) 1979-03-16
HK30381A (en) 1981-07-10
HK30581A (en) 1981-07-10
IE45644B1 (en) 1982-10-20
AT362790B (de) 1981-06-10
BE855965A (fr) 1977-12-21
PT66694A (en) 1977-07-01
BG28989A4 (en) 1980-08-15
IE790584L (en) 1978-02-02
ES470743A1 (es) 1979-01-16
GB1538375A (en) 1979-01-17
MX4597E (es) 1982-06-25
FI73424B (fi) 1987-06-30
JPS5436269A (en) 1979-03-16
JPS5729034B2 (sv) 1982-06-19
HU180040B (en) 1983-01-28
IE790586L (en) 1978-02-02
HK30781A (en) 1981-07-10
FI831703L (fi) 1983-05-16
YU274782A (en) 1983-12-31
FR2372821B1 (sv) 1980-10-17
ES459994A1 (es) 1978-11-16
RO78951A2 (ro) 1982-04-12
NL8105537A (nl) 1982-04-01
JPS5436270A (en) 1979-03-16
SE433079B (sv) 1984-05-07
RO74367A (ro) 1981-11-24
PL215006A1 (pl) 1979-12-17
SE452616B (sv) 1987-12-07
FI831702L (fi) 1983-05-16
DK154079B (da) 1988-10-10
GB1538371A (en) 1979-01-17
FI73424C (sv) 1987-10-09
NO150042C (no) 1984-08-15
NL170955B (nl) 1982-08-16
SE8200520L (sv) 1982-01-29
JPS5318578A (en) 1978-02-20
CH626357A5 (en) 1981-11-13
NO150042B (no) 1984-04-30
AT363470B (de) 1981-08-10
DK153401B (da) 1988-07-11
DE2760220C2 (sv) 1987-08-20
SE444564B (sv) 1986-04-21
TR19652A (tr) 1979-09-17
FI831700A0 (fi) 1983-05-16
PL115496B1 (en) 1981-04-30
NL182477B (nl) 1987-10-16
NL182805B (nl) 1987-12-16
PL215008A1 (pl) 1979-12-17
ATA124480A (de) 1981-01-15
MY8100262A (en) 1981-12-31
DK153401C (da) 1988-11-28
PH13557A (en) 1980-06-26
MY8100267A (en) 1981-12-31
DK276177A (da) 1978-02-03
NZ184342A (en) 1978-09-25
GB1538373A (en) 1979-01-17
DE2760221C2 (sv) 1989-10-05
NL182478B (nl) 1987-10-16
FI72722C (sv) 1987-07-10
FI72722B (fi) 1987-03-31
SE8200521L (sv) 1982-01-29
NO150561C (no) 1984-11-07
EG13080A (en) 1981-03-31
IT1106258B (it) 1985-11-11
NO150559B (no) 1984-07-30
SE8200522L (sv) 1982-01-29
PL199798A1 (pl) 1979-08-27
DE2728499C2 (de) 1986-04-03
IE45641L (en) 1978-02-02
IE790585L (en) 1978-02-02
FI72723B (fi) 1987-03-31
ES470744A1 (es) 1979-01-16
FI72119B (fi) 1986-12-31
HK30681A (en) 1981-07-10
PL215007A1 (pl) 1979-12-17
PH13874A (en) 1980-10-24
SE445041B (sv) 1986-05-26
NO834236L (no) 1978-02-03
IE45642B1 (en) 1982-10-20
JPS5420500B2 (sv) 1979-07-23
DK153484B (da) 1988-07-18
DK154079C (da) 1989-02-27
NO151365C (no) 1985-03-27
CS203922B2 (en) 1981-03-31
NL182478C (nl) 1988-03-16
CS203921B2 (en) 1981-03-31
DK326186D0 (da) 1986-07-09
HU185687B (en) 1985-03-28
PL115497B1 (en) 1981-04-30
CH625235A5 (en) 1981-09-15
RO78952A (ro) 1982-04-12
FI831703A0 (fi) 1983-05-16
NO821849L (no) 1978-02-03
IE45641B1 (en) 1982-10-20
DK153483B (da) 1988-07-18
DE2728499A1 (de) 1978-02-09
FI72720C (sv) 1987-07-10
NL182477C (nl) 1988-03-16
FI72721B (fi) 1987-03-31
NL8105540A (nl) 1982-04-01
PH13926A (en) 1980-11-04
SE444565B (sv) 1986-04-21
ATA440477A (de) 1980-11-15
AT364356B (de) 1981-10-12
AR216080A1 (es) 1979-11-30
NO150560C (no) 1984-11-07
IE790587L (en) 1978-02-02
DK326186A (da) 1986-07-09
DD132494A5 (de) 1978-10-04
JPS5436268A (en) 1979-03-16
PH14625A (en) 1981-10-12
GR68938B (sv) 1982-03-29
YU166383A (en) 1986-02-28
HK30481A (en) 1981-07-10
NL182476B (nl) 1987-10-16
MY8100287A (en) 1981-12-31
YU43190B (en) 1989-04-30
GB1538372A (en) 1979-01-17
NL8105539A (nl) 1982-04-01
YU40166B (en) 1985-08-31
JPS5618597B2 (sv) 1981-04-30
PT66694B (en) 1978-11-17
FR2372821A1 (fr) 1978-06-30
FI831700L (fi) 1983-05-16
NL7706811A (nl) 1978-02-06
ATA124380A (de) 1981-03-15
FI72119C (sv) 1987-04-13
DK153484C (da) 1988-11-28
NL170955C (nl) 1983-01-17
BG28988A4 (en) 1980-08-15
LU77600A1 (sv) 1978-02-01
FI771934A7 (sv) 1978-02-03
JPS5436266A (en) 1979-03-16
BR7703970A (pt) 1978-07-04
CH626358A5 (en) 1981-11-13
SE7707035L (sv) 1978-02-03

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