PH13557A - Preparation of gamma-pyrones - Google Patents

Preparation of gamma-pyrones

Info

Publication number
PH13557A
PH13557A PH19887A PH19887A PH13557A PH 13557 A PH13557 A PH 13557A PH 19887 A PH19887 A PH 19887A PH 19887 A PH19887 A PH 19887A PH 13557 A PH13557 A PH 13557A
Authority
PH
Philippines
Prior art keywords
pyrones
gamma
preparation
Prior art date
Application number
PH19887A
Other languages
English (en)
Inventor
P Weeks
T Brennan
D Kuhla
D Brannegan
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 PH13557A publication Critical patent/PH13557A/en

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
PH19887A 1976-08-02 1977-06-17 Preparation of gamma-pyrones PH13557A (en)

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
PH13557A true PH13557A (en) 1980-06-26

Family

ID=27108548

Family Applications (5)

Application Number Title Priority Date Filing Date
PH19887A PH13557A (en) 1976-08-02 1977-06-17 Preparation of gamma-pyrones
PH20746A PH13926A (en) 1976-08-02 1978-02-03 4-halo dihydropyran compound and the preparation thereof
PH20745A PH15185A (en) 1976-08-02 1978-02-03 Preparation of gamma-pyrones
PH22150A PH13874A (en) 1976-08-02 1979-02-01 Preparation of 6-substituted-dihydropyrams
PH22149A PH14625A (en) 1976-08-02 1979-02-01 Halo dihydropyrans intermediates and preparation thereof

Family Applications After (4)

Application Number Title Priority Date Filing Date
PH20746A PH13926A (en) 1976-08-02 1978-02-03 4-halo dihydropyran compound and the preparation thereof
PH20745A PH15185A (en) 1976-08-02 1978-02-03 Preparation of gamma-pyrones
PH22150A PH13874A (en) 1976-08-02 1979-02-01 Preparation of 6-substituted-dihydropyrams
PH22149A PH14625A (en) 1976-08-02 1979-02-01 Halo dihydropyrans intermediates and preparation thereof

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
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
BE855965A (fr) 1977-12-21
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
JPS5344563A (en) Preparation of benzothiazolylsulfenamide
JPS52142024A (en) Preparation of mononitrooaromatic compounds
PT66146B (en) Preparation of meta-aryloxy-benzaldehydes
NZ183733A (en) Preparation of 1-n-substituted-kanamycins
PH13874A (en) Preparation of 6-substituted-dihydropyrams
JPS5320411A (en) Improvement of preparation
ZA773566B (en) Preparation of gamma-pyrones
JPS57115182A (en) Preparation of bacteriocine
JPS52133978A (en) Preparation of 22aryllbenzoxazole or 22arylbenzthiazole
IL51806A (en) Preparation of alkylthiomethyl-phenols
JPS5328168A (en) Preparation of 11phenyll33aminopyrazole
JPS5313690A (en) Preparation of homoo or coopolymer of alphaamonoolefin
GB1541427A (en) Preparation of hydroxysulphobetaines
JPS52126491A (en) Preparation of polyyalphaaolefin
JPS52116427A (en) Preparation of nitrobenzole
IL53038A (en) Preparation of certain nuclear-chlorinated benzotrichlorides
JPS5337666A (en) Preparation of monobenzylidenesorbitol
JPS52116463A (en) Preparation of 22oxoopyrrolidineennalkylamide
JPS5320412A (en) Improvement of preparation
JPS52142072A (en) Preparation of perfluoroo44oxoo2*55dimethyll 22fluorocarbonyll1*33dioxolan
JPS5331795A (en) Preparation of polyoxyalkylenee polyesterrpolysulfiddpolythiol
JPS5323937A (en) Preparation of paraaaminoarylamine or paraaalkylaminoarylamine
NZ186106A (en) Preparation of haloacylamides
JPS52144667A (en) Preparation of nnchlorophalimide
JPS52122360A (en) Prepatation of 33chlorophthalide