BE855965A - Preparation de gamma-pyrones - Google Patents

Preparation de gamma-pyrones

Info

Publication number
BE855965A
BE855965A BE1008209A BE1008209A BE855965A BE 855965 A BE855965 A BE 855965A BE 1008209 A BE1008209 A BE 1008209A BE 1008209 A BE1008209 A BE 1008209A BE 855965 A BE855965 A BE 855965A
Authority
BE
Belgium
Prior art keywords
pyrones
gamma
preparation
Prior art date
Application number
BE1008209A
Other languages
English (en)
French (fr)
Inventor
T M Brennan
D P Brannegan
P D Weeks
D E Kuhle
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 BE855965A publication Critical patent/BE855965A/xx

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
BE1008209A 1976-08-02 1977-06-21 Preparation de gamma-pyrones BE855965A (fr)

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 (1)

Publication Number Publication Date
BE855965A true BE855965A (fr) 1977-12-21

Family

ID=27108548

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1008209A BE855965A (fr) 1976-08-02 1977-06-21 Preparation de gamma-pyrones

Country Status (36)

Country Link
JP (7) JPS5318578A (fi)
AR (1) AR216080A1 (fi)
AT (3) AT362790B (fi)
BE (1) BE855965A (fi)
BG (4) BG29136A3 (fi)
BR (1) BR7703970A (fi)
CA (3) CA1095921A (fi)
CH (4) CH625798A5 (fi)
CS (3) CS203921B2 (fi)
DD (1) DD132494A5 (fi)
DE (3) DE2760221C2 (fi)
DK (4) DK153483C (fi)
EG (1) EG13080A (fi)
ES (5) ES459994A1 (fi)
FI (6) FI72722C (fi)
FR (1) FR2372821A1 (fi)
GB (5) GB1538372A (fi)
GR (1) GR68938B (fi)
HK (5) HK30581A (fi)
HU (4) HU186026B (fi)
IE (5) IE45643B1 (fi)
IT (1) IT1106258B (fi)
LU (1) LU77600A1 (fi)
MX (1) MX4597E (fi)
MY (3) MY8100262A (fi)
NL (5) NL170955C (fi)
NO (7) NO150561C (fi)
NZ (1) NZ184342A (fi)
PH (5) PH13557A (fi)
PL (4) PL115497B1 (fi)
PT (1) PT66694B (fi)
RO (4) RO78951A2 (fi)
SE (6) SE433079B (fi)
SU (2) SU955859A3 (fi)
TR (1) TR19652A (fi)
YU (4) YU40166B (fi)

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 (fi) * 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 (fi) * 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
US8026261B2 (en) * 2007-03-28 2011-09-27 Apotex Technologies Inc. Fluorinated derivatives of deferiprone
PL2268282T3 (pl) 2008-04-25 2015-04-30 Apotex Tech Inc Płynny preparat deferypronu o przyjemnym smaku
PL2448922T3 (pl) 2009-07-03 2015-02-27 Apotex Tech Inc Fluorowane pochodne 3-hydroksypirydyn-4-onów
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 (fi) * 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
FI831701L (fi) 1983-05-16
NO151365C (no) 1985-03-27
JPS5318578A (en) 1978-02-20
FI831700L (fi) 1983-05-16
NO150042C (no) 1984-08-15
JPS5814433B2 (ja) 1983-03-18
AU2601777A (en) 1978-09-21
NO772193L (no) 1978-02-03
YU43190B (en) 1989-04-30
NL182476B (nl) 1987-10-16
DK276177A (da) 1978-02-03
PL115497B1 (en) 1981-04-30
EG13080A (en) 1981-03-31
JPS5436270A (en) 1979-03-16
SE433079B (sv) 1984-05-07
CH626357A5 (en) 1981-11-13
CH625235A5 (en) 1981-09-15
DK153483C (da) 1988-11-28
BR7703970A (pt) 1978-07-04
AR216080A1 (es) 1979-11-30
NZ184342A (en) 1978-09-25
NO150561C (no) 1984-11-07
NL8105540A (nl) 1982-04-01
SE8200522L (sv) 1982-01-29
JPS5618597B2 (fi) 1981-04-30
SE8200521L (sv) 1982-01-29
FI73424C (fi) 1987-10-09
DE2760221C2 (fi) 1989-10-05
ES470744A1 (es) 1979-01-16
JPS5436271A (en) 1979-03-16
NL182476C (nl) 1988-03-16
JPS5436269A (en) 1979-03-16
FI831702A0 (fi) 1983-05-16
ES470746A1 (es) 1979-01-16
NL182478B (nl) 1987-10-16
NO821848L (no) 1978-02-03
FI73424B (fi) 1987-06-30
FI831703L (fi) 1983-05-16
GB1538372A (en) 1979-01-17
MY8100267A (en) 1981-12-31
TR19652A (tr) 1979-09-17
NO150042B (no) 1984-04-30
ATA124480A (de) 1981-01-15
NL182805B (nl) 1987-12-16
CA1117541A (en) 1982-02-02
NO150561B (no) 1984-07-30
NO150560B (no) 1984-07-30
FI771934A (fi) 1978-02-03
PL215008A1 (pl) 1979-12-17
DK154079C (da) 1989-02-27
IE790586L (en) 1978-02-02
SE444564B (sv) 1986-04-21
GR68938B (fi) 1982-03-29
MY8100262A (en) 1981-12-31
NO150043B (no) 1984-04-30
NL182805C (nl) 1988-05-16
RO78952A (ro) 1982-04-12
HK30781A (en) 1981-07-10
ES470745A1 (es) 1979-01-16
SU1015826A3 (ru) 1983-04-30
HK30381A (en) 1981-07-10
DK153484C (da) 1988-11-28
GB1538371A (en) 1979-01-17
JPS5420500B2 (fi) 1979-07-23
AT362790B (de) 1981-06-10
SE444565B (sv) 1986-04-21
AT364356B (de) 1981-10-12
SE445042B (sv) 1986-05-26
FR2372821B1 (fi) 1980-10-17
SE8200518L (sv) 1982-01-29
RO78951A2 (ro) 1982-04-12
HK30681A (en) 1981-07-10
NL8105537A (nl) 1982-04-01
FI72720B (fi) 1987-03-31
FI72723C (fi) 1987-07-10
IE45645B1 (en) 1982-10-20
YU270382A (en) 1983-10-31
AT363470B (de) 1981-08-10
FI72721B (fi) 1987-03-31
JPS5618596B2 (fi) 1981-04-30
NO150559C (no) 1984-11-07
FI831703A0 (fi) 1983-05-16
NL182478C (nl) 1988-03-16
FI72119B (fi) 1986-12-31
NO151365B (no) 1984-12-17
FI72722C (fi) 1987-07-10
IE45641B1 (en) 1982-10-20
HK30481A (en) 1981-07-10
FI72721C (fi) 1987-07-10
SE445041B (sv) 1986-05-26
PL115586B1 (en) 1981-04-30
CH625798A5 (en) 1981-10-15
FI831704A0 (fi) 1983-05-16
SE452616B (sv) 1987-12-07
CS203922B2 (en) 1981-03-31
NO821850L (no) 1978-02-03
JPS5436267A (en) 1979-03-16
RO74367A (ro) 1981-11-24
DK326086A (da) 1986-07-09
NL170955B (nl) 1982-08-16
SU955859A3 (ru) 1982-08-30
DE2728499C2 (de) 1986-04-03
SE8200519L (sv) 1982-01-29
YU146977A (en) 1983-06-30
HU186026B (en) 1985-05-28
NO821851L (no) 1978-02-03
IE45644B1 (en) 1982-10-20
NL182477B (nl) 1987-10-16
IE790584L (en) 1978-02-02
ATA440477A (de) 1980-11-15
NO821847L (no) 1978-02-03
DK153401B (da) 1988-07-11
IE790585L (en) 1978-02-02
BG29136A3 (en) 1980-09-15
FI831701A0 (fi) 1983-05-16
JPS5436268A (en) 1979-03-16
DK326086D0 (da) 1986-07-09
ES459994A1 (es) 1978-11-16
NL7706811A (nl) 1978-02-06
PH13557A (en) 1980-06-26
DK154079B (da) 1988-10-10
PH14625A (en) 1981-10-12
PL199798A1 (pl) 1979-08-27
DK325986D0 (da) 1986-07-09
GB1538373A (en) 1979-01-17
MX4597E (es) 1982-06-25
CS203923B2 (en) 1981-03-31
NL8105539A (nl) 1982-04-01
CA1095921A (en) 1981-02-17
FI72723B (fi) 1987-03-31
PH15185A (en) 1982-09-10
IT1106258B (it) 1985-11-11
YU274782A (en) 1983-12-31
NL182477C (nl) 1988-03-16
BG28989A4 (en) 1980-08-15
JPS5436266A (en) 1979-03-16
SE7707035L (sv) 1978-02-03
FI831702L (fi) 1983-05-16
DD132494A5 (de) 1978-10-04
DK326186A (da) 1986-07-09
FI72720C (fi) 1987-07-10
NO150559B (no) 1984-07-30
CA1110254A (en) 1981-10-06
BG28849A3 (en) 1980-07-15
NO834236L (no) 1978-02-03
FI831700A0 (fi) 1983-05-16
JPS5729034B2 (fi) 1982-06-19
NO150560C (no) 1984-11-07
PL215006A1 (pl) 1979-12-17
PH13874A (en) 1980-10-24
ES470743A1 (es) 1979-01-16
PL215007A1 (pl) 1979-12-17
IE45642B1 (en) 1982-10-20
PT66694B (en) 1978-11-17
DE2760220C2 (fi) 1987-08-20
FR2372821A1 (fr) 1978-06-30
SE8200520L (sv) 1982-01-29
DK153483B (da) 1988-07-18
PH13926A (en) 1980-11-04
DK153484B (da) 1988-07-18
CH626358A5 (en) 1981-11-13
IE45641L (en) 1978-02-02
HU180040B (en) 1983-01-28
HU185687B (en) 1985-03-28
FI72722B (fi) 1987-03-31
NL170955C (nl) 1983-01-17
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
YU166383A (en) 1986-02-28
IE45643B1 (en) 1982-10-20
GB1538375A (en) 1979-01-17
RO78953A (ro) 1982-04-12
BG28988A4 (en) 1980-08-15
MY8100287A (en) 1981-12-31
FI72119C (fi) 1987-04-13
DE2728499A1 (de) 1978-02-09
CS203921B2 (en) 1981-03-31
DK326186D0 (da) 1986-07-09
DK153401C (da) 1988-11-28
HK30581A (en) 1981-07-10
LU77600A1 (fi) 1978-02-01
NL8105538A (nl) 1982-04-01
IE790587L (en) 1978-02-02
YU40166B (en) 1985-08-31
YU42613B (en) 1988-10-31
PT66694A (en) 1977-07-01
ATA124380A (de) 1981-03-15
PL115496B1 (en) 1981-04-30
FI831704L (fi) 1983-05-16
NO821849L (no) 1978-02-03
DK325986A (da) 1986-07-09
NO150043C (no) 1984-08-15

Similar Documents

Publication Publication Date Title
IT1098370B (it) Preparazione di oligoimmidi
BR8002777A (pt) Estrutura de bracadeira
BR8002776A (pt) Estrutura de bracadeira
DK499477A (da) Anvendelse af ergotpeptidalkaloid-praeparat
SE7700032L (sv) Framstellning av n-fosfonometylglysin
FR2342250A1 (fr) Preparation de zeolites faconnees
FR2340298A1 (fr) Preparation de meta-aryloxy-benzaldehydes
BE855965A (fr) Preparation de gamma-pyrones
SE437833B (sv) Forfarande for framstellning av 7-beta-oxiiminoacylcefalosporiner
BE852557A (fr) Preparation de nouvelles isobutyramides
FR2311012A1 (fr) Preparation de 2-aryl-2h-benzotriazoles
DK145614C (da) Lagerbestandigt cholesterinoxidasepraeparat
DK151003C (da) Acaricidt praeparat
DK510977A (da) Hygiejnisk-kosmetisk praeparat
FR2328701A1 (fr) Preparation de 2-amino-1-alcools
BE867713Q (fr) Element de construction
FR2323694A1 (fr) Preparation de 3-methoxymethylcephalosporines
BE840992A (fr) Desucrage de la melasse
BR7708589A (pt) Coracao de via ferrea
BE856414A (fr) Preparation de trans-hexahydrodibenzopyranones
SE7802840L (sv) Polysakaridframstellning
BR7806108A (pt) Preparacao de ciano-acetato de alquenila
FR2326404A1 (fr) Preparation de 2-chloroalcanals
DE3062853D1 (de) Preparation of 5-nitrobenzimidazolone-2
BE851496A (fr) Element de construction

Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: PFIZER INC.

Effective date: 19970621