FI72722C - Foerfarande foer framstaellning av 3-hydroxi-4-pyroner. - Google Patents

Foerfarande foer framstaellning av 3-hydroxi-4-pyroner. Download PDF

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Publication number
FI72722C
FI72722C FI771934A FI771934A FI72722C FI 72722 C FI72722 C FI 72722C FI 771934 A FI771934 A FI 771934A FI 771934 A FI771934 A FI 771934A FI 72722 C FI72722 C FI 72722C
Authority
FI
Finland
Prior art keywords
pyrone
hydroxy
formula
dihydro
methyl
Prior art date
Application number
FI771934A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI72722B (fi
FI771934A (xx
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 FI771934A publication Critical patent/FI771934A/fi
Priority to FI831701A priority Critical patent/FI72723C/fi
Priority to FI831704A priority patent/FI72721C/fi
Priority to FI831702A priority patent/FI72720C/fi
Priority to FI831703A priority patent/FI73424C/fi
Priority to FI831700A priority patent/FI72119C/fi
Application granted granted Critical
Publication of FI72722B publication Critical patent/FI72722B/fi
Publication of FI72722C publication Critical patent/FI72722C/fi

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
FI771934A 1976-08-02 1977-06-21 Foerfarande foer framstaellning av 3-hydroxi-4-pyroner. FI72722C (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI831701A FI72723C (fi) 1976-08-02 1983-05-16 Foerfarande foer framstaellning av 3-hydroxi-4-pyroner.
FI831704A FI72721C (fi) 1976-08-02 1983-05-16 Vid framstaellning av gamma-pyroner saosom mellanprodukt anvaendbar 6,6'oxi-bis/4-halogen-2,6-dihydro-3-pyron/ och foerfarande foer dess framstaellning.
FI831702A FI72720C (fi) 1976-08-02 1983-05-16 4-halogen-dihydropyronfoerening foer anvaendning som mellanprodukt vid framstaellningen av 3-hydroxi-4-pyroner och foerfarande foer dess framstaellning.
FI831703A FI73424C (fi) 1976-08-02 1983-05-16 Foerfarande foer framstaellning av en som mellanprodukt vid 3-hydroxi-4-pyronframstaellningen anvaendbar 4-halogen- 6-(alkoxi eller alkanoyloxi)-2,6-dihydro-3-pyron.
FI831700A FI72119C (fi) 1976-08-02 1983-05-16 Foerfarande foer framstaellning av 2-alkyl-3-hydroxi-4-pyroner.

Applications Claiming Priority (4)

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

Publications (3)

Publication Number Publication Date
FI771934A FI771934A (xx) 1978-02-03
FI72722B FI72722B (fi) 1987-03-31
FI72722C true FI72722C (fi) 1987-07-10

Family

ID=27108548

Family Applications (6)

Application Number Title Priority Date Filing Date
FI771934A FI72722C (fi) 1976-08-02 1977-06-21 Foerfarande foer framstaellning av 3-hydroxi-4-pyroner.
FI831701A FI72723C (fi) 1976-08-02 1983-05-16 Foerfarande foer framstaellning av 3-hydroxi-4-pyroner.
FI831704A FI72721C (fi) 1976-08-02 1983-05-16 Vid framstaellning av gamma-pyroner saosom mellanprodukt anvaendbar 6,6'oxi-bis/4-halogen-2,6-dihydro-3-pyron/ och foerfarande foer dess framstaellning.
FI831703A FI73424C (fi) 1976-08-02 1983-05-16 Foerfarande foer framstaellning av en som mellanprodukt vid 3-hydroxi-4-pyronframstaellningen anvaendbar 4-halogen- 6-(alkoxi eller alkanoyloxi)-2,6-dihydro-3-pyron.
FI831700A FI72119C (fi) 1976-08-02 1983-05-16 Foerfarande foer framstaellning av 2-alkyl-3-hydroxi-4-pyroner.
FI831702A FI72720C (fi) 1976-08-02 1983-05-16 4-halogen-dihydropyronfoerening foer anvaendning som mellanprodukt vid framstaellningen av 3-hydroxi-4-pyroner och foerfarande foer dess framstaellning.

Family Applications After (5)

Application Number Title Priority Date Filing Date
FI831701A FI72723C (fi) 1976-08-02 1983-05-16 Foerfarande foer framstaellning av 3-hydroxi-4-pyroner.
FI831704A FI72721C (fi) 1976-08-02 1983-05-16 Vid framstaellning av gamma-pyroner saosom mellanprodukt anvaendbar 6,6'oxi-bis/4-halogen-2,6-dihydro-3-pyron/ och foerfarande foer dess framstaellning.
FI831703A FI73424C (fi) 1976-08-02 1983-05-16 Foerfarande foer framstaellning av en som mellanprodukt vid 3-hydroxi-4-pyronframstaellningen anvaendbar 4-halogen- 6-(alkoxi eller alkanoyloxi)-2,6-dihydro-3-pyron.
FI831700A FI72119C (fi) 1976-08-02 1983-05-16 Foerfarande foer framstaellning av 2-alkyl-3-hydroxi-4-pyroner.
FI831702A FI72720C (fi) 1976-08-02 1983-05-16 4-halogen-dihydropyronfoerening foer anvaendning som mellanprodukt vid framstaellningen av 3-hydroxi-4-pyroner och foerfarande foer dess framstaellning.

Country Status (36)

Country Link
JP (7) JPS5318578A (xx)
AR (1) AR216080A1 (xx)
AT (3) AT362790B (xx)
BE (1) BE855965A (xx)
BG (4) BG29136A3 (xx)
BR (1) BR7703970A (xx)
CA (3) CA1095921A (xx)
CH (4) CH625798A5 (xx)
CS (3) CS203921B2 (xx)
DD (1) DD132494A5 (xx)
DE (3) DE2760220C2 (xx)
DK (4) DK153483C (xx)
EG (1) EG13080A (xx)
ES (5) ES459994A1 (xx)
FI (6) FI72722C (xx)
FR (1) FR2372821A1 (xx)
GB (5) GB1538371A (xx)
GR (1) GR68938B (xx)
HK (5) HK30781A (xx)
HU (4) HU185687B (xx)
IE (5) IE45645B1 (xx)
IT (1) IT1106258B (xx)
LU (1) LU77600A1 (xx)
MX (1) MX4597E (xx)
MY (3) MY8100262A (xx)
NL (5) NL170955C (xx)
NO (7) NO150561C (xx)
NZ (1) NZ184342A (xx)
PH (5) PH13557A (xx)
PL (4) PL115586B1 (xx)
PT (1) PT66694B (xx)
RO (4) RO78952A (xx)
SE (6) SE433079B (xx)
SU (2) SU955859A3 (xx)
TR (1) TR19652A (xx)
YU (4) YU40166B (xx)

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 (xx) * 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 (xx) * 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
PE20081596A1 (es) * 2007-03-28 2009-02-05 Apotex Technologies Inc Derivados fluorinados de deferiprona
PL2268282T3 (pl) 2008-04-25 2015-04-30 Apotex Tech Inc Płynny preparat deferypronu o przyjemnym smaku
BR112012000079A2 (pt) 2009-07-03 2017-07-25 Apotex Tech 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 (xx) * 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
NL182476C (nl) 1988-03-16
DK154079B (da) 1988-10-10
NL182478C (nl) 1988-03-16
PH13874A (en) 1980-10-24
FI831702A0 (fi) 1983-05-16
JPS5436266A (en) 1979-03-16
AU2601777A (en) 1978-09-21
NO834236L (no) 1978-02-03
FI73424B (fi) 1987-06-30
PL215007A1 (pl) 1979-12-17
NO150043B (no) 1984-04-30
FI72721B (fi) 1987-03-31
NO772193L (no) 1978-02-03
NO151365B (no) 1984-12-17
RO78953A (ro) 1982-04-12
PL115496B1 (en) 1981-04-30
IE45641B1 (en) 1982-10-20
DK326186A (da) 1986-07-09
NL170955C (nl) 1983-01-17
NL182477B (nl) 1987-10-16
GB1538372A (en) 1979-01-17
DK325986D0 (da) 1986-07-09
NO150561B (no) 1984-07-30
NO150559B (no) 1984-07-30
IT1106258B (it) 1985-11-11
RO78951A2 (ro) 1982-04-12
GB1538371A (en) 1979-01-17
DE2728499A1 (de) 1978-02-09
FI831701L (fi) 1983-05-16
MY8100287A (en) 1981-12-31
YU43190B (en) 1989-04-30
NO821849L (no) 1978-02-03
ATA440477A (de) 1980-11-15
IE790584L (en) 1978-02-02
FI831704A0 (fi) 1983-05-16
DK154079C (da) 1989-02-27
FI831701A0 (fi) 1983-05-16
EG13080A (en) 1981-03-31
RO78952A (ro) 1982-04-12
CS203922B2 (en) 1981-03-31
RO74367A (ro) 1981-11-24
FR2372821A1 (fr) 1978-06-30
BG28988A4 (en) 1980-08-15
LU77600A1 (xx) 1978-02-01
DK276177A (da) 1978-02-03
CS203923B2 (en) 1981-03-31
BG29136A3 (en) 1980-09-15
PL115586B1 (en) 1981-04-30
ES470743A1 (es) 1979-01-16
DK153484B (da) 1988-07-18
FI72721C (fi) 1987-07-10
DK153401C (da) 1988-11-28
CH625235A5 (en) 1981-09-15
HK30581A (en) 1981-07-10
PT66694A (en) 1977-07-01
HK30381A (en) 1981-07-10
MY8100267A (en) 1981-12-31
FI831703A0 (fi) 1983-05-16
FI831703L (fi) 1983-05-16
AR216080A1 (es) 1979-11-30
JPS5729034B2 (xx) 1982-06-19
JPS5436268A (en) 1979-03-16
NO150560C (no) 1984-11-07
IE790585L (en) 1978-02-02
PH15185A (en) 1982-09-10
JPS5420500B2 (xx) 1979-07-23
PT66694B (en) 1978-11-17
ES470744A1 (es) 1979-01-16
CA1110254A (en) 1981-10-06
ES470745A1 (es) 1979-01-16
GR68938B (xx) 1982-03-29
IE45642B1 (en) 1982-10-20
SE444564B (sv) 1986-04-21
IE790587L (en) 1978-02-02
DK153484C (da) 1988-11-28
NZ184342A (en) 1978-09-25
FI72720B (fi) 1987-03-31
IE790586L (en) 1978-02-02
PL215006A1 (pl) 1979-12-17
JPS5436271A (en) 1979-03-16
HK30481A (en) 1981-07-10
DK153483B (da) 1988-07-18
NO150043C (no) 1984-08-15
FI72723B (fi) 1987-03-31
AT362790B (de) 1981-06-10
DK153401B (da) 1988-07-11
ES470746A1 (es) 1979-01-16
IE45645B1 (en) 1982-10-20
DK326086D0 (da) 1986-07-09
BG28849A3 (en) 1980-07-15
PH14625A (en) 1981-10-12
FI831700L (fi) 1983-05-16
TR19652A (tr) 1979-09-17
SE8200519L (sv) 1982-01-29
PL199798A1 (pl) 1979-08-27
DE2760220C2 (xx) 1987-08-20
FI72119C (fi) 1987-04-13
AT363470B (de) 1981-08-10
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
DE2760221C2 (xx) 1989-10-05
GB1538373A (en) 1979-01-17
SU1015826A3 (ru) 1983-04-30
NL8105539A (nl) 1982-04-01
FI831700A0 (fi) 1983-05-16
CH626358A5 (en) 1981-11-13
JPS5618597B2 (xx) 1981-04-30
SE8200521L (sv) 1982-01-29
HK30681A (en) 1981-07-10
MX4597E (es) 1982-06-25
PL215008A1 (pl) 1979-12-17
SE7707035L (sv) 1978-02-03
CH625798A5 (en) 1981-10-15
FI73424C (fi) 1987-10-09
NL7706811A (nl) 1978-02-06
YU146977A (en) 1983-06-30
DK325986A (da) 1986-07-09
PH13557A (en) 1980-06-26
SE445041B (sv) 1986-05-26
PH13926A (en) 1980-11-04
SE452616B (sv) 1987-12-07
CH626357A5 (en) 1981-11-13
CS203921B2 (en) 1981-03-31
DK326186D0 (da) 1986-07-09
FI72722B (fi) 1987-03-31
FI72720C (fi) 1987-07-10
SU955859A3 (ru) 1982-08-30
IE45643B1 (en) 1982-10-20
HU180040B (en) 1983-01-28
AT364356B (de) 1981-10-12
NL182478B (nl) 1987-10-16
NL182805C (nl) 1988-05-16
JPS5618596B2 (xx) 1981-04-30
NO150559C (no) 1984-11-07
NO821847L (no) 1978-02-03
CA1095921A (en) 1981-02-17
NO150561C (no) 1984-11-07
NO150560B (no) 1984-07-30
MY8100262A (en) 1981-12-31
DK153483C (da) 1988-11-28
NO821848L (no) 1978-02-03
ATA124480A (de) 1981-01-15
HU186026B (en) 1985-05-28
BG28989A4 (en) 1980-08-15
YU270382A (en) 1983-10-31
DK326086A (da) 1986-07-09
YU166383A (en) 1986-02-28
NL170955B (nl) 1982-08-16
YU40166B (en) 1985-08-31
FI72119B (fi) 1986-12-31
HK30781A (en) 1981-07-10
ATA124380A (de) 1981-03-15
NO821851L (no) 1978-02-03
DE2728499C2 (de) 1986-04-03
NL8105540A (nl) 1982-04-01
NO821850L (no) 1978-02-03
NL8105537A (nl) 1982-04-01
FI771934A (xx) 1978-02-03
SE8200520L (sv) 1982-01-29
IE45644B1 (en) 1982-10-20
NO150042C (no) 1984-08-15
JPS5318578A (en) 1978-02-20
IE45641L (en) 1978-02-02
SE445042B (sv) 1986-05-26
NL182805B (nl) 1987-12-16
FR2372821B1 (xx) 1980-10-17
NL182476B (nl) 1987-10-16
SE8200522L (sv) 1982-01-29
FI831704L (fi) 1983-05-16
CA1117541A (en) 1982-02-02
GB1538375A (en) 1979-01-17
HU185687B (en) 1985-03-28
JPS5436267A (en) 1979-03-16
FI831702L (fi) 1983-05-16
NL8105538A (nl) 1982-04-01
BR7703970A (pt) 1978-07-04
YU42613B (en) 1988-10-31
YU274782A (en) 1983-12-31
NO150042B (no) 1984-04-30
ES459994A1 (es) 1978-11-16
NL182477C (nl) 1988-03-16
BE855965A (fr) 1977-12-21
JPS5436270A (en) 1979-03-16
SE433079B (sv) 1984-05-07
NO151365C (no) 1985-03-27
DD132494A5 (de) 1978-10-04
JPS5814433B2 (ja) 1983-03-18
JPS5436269A (en) 1979-03-16
SE8200518L (sv) 1982-01-29
PL115497B1 (en) 1981-04-30
SE444565B (sv) 1986-04-21
FI72723C (fi) 1987-07-10

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