AR216080A1 - Derivados de 4-halo-dihidropirano,utiles como intermediarios en la preparacion de gamma-pironas,procedimiento para su preparacion y procedimiento para preparar una gamma-pirona partiendo de dichos intermediarios - Google Patents

Derivados de 4-halo-dihidropirano,utiles como intermediarios en la preparacion de gamma-pironas,procedimiento para su preparacion y procedimiento para preparar una gamma-pirona partiendo de dichos intermediarios

Info

Publication number
AR216080A1
AR216080A1 AR268164A AR26816477A AR216080A1 AR 216080 A1 AR216080 A1 AR 216080A1 AR 268164 A AR268164 A AR 268164A AR 26816477 A AR26816477 A AR 26816477A AR 216080 A1 AR216080 A1 AR 216080A1
Authority
AR
Argentina
Prior art keywords
intermediates
gamma
procedure
pyrones
pyrone
Prior art date
Application number
AR268164A
Other languages
English (en)
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 to US71090176A priority Critical
Priority to US05/721,885 priority patent/US4082717A/en
Application filed by Pfizer filed Critical Pfizer
Application granted granted Critical
Publication of AR216080A1 publication Critical patent/AR216080A1/es

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D309/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/32Heterocyclic 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D309/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/34Heterocyclic 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
    • C07D309/36Heterocyclic 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
    • C07D309/40Oxygen atoms attached in positions 3 and 4, e.g. maltol
AR268164A 1976-08-02 1977-06-23 Derivados de 4-halo-dihidropirano,utiles como intermediarios en la preparacion de gamma-pironas,procedimiento para su preparacion y procedimiento para preparar una gamma-pirona partiendo de dichos intermediarios AR216080A1 (es)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US71090176A true 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
AR216080A1 true AR216080A1 (es) 1979-11-30

Family

ID=27108548

Family Applications (1)

Application Number Title Priority Date Filing Date
AR268164A AR216080A1 (es) 1976-08-02 1977-06-23 Derivados de 4-halo-dihidropirano,utiles como intermediarios en la preparacion de gamma-pironas,procedimiento para su preparacion y procedimiento para preparar una gamma-pirona partiendo de dichos intermediarios

Country Status (36)

Country Link
JP (7) JPS5420500B2 (es)
AR (1) AR216080A1 (es)
AT (3) AT362790B (es)
BE (1) BE855965A (es)
BG (4) BG28988A4 (es)
BR (1) BR7703970A (es)
CA (3) CA1095921A (es)
CH (4) CH625798A5 (es)
CS (3) CS203921B2 (es)
DD (1) DD132494A5 (es)
DE (3) DE2760220C2 (es)
DK (4) DK153483C (es)
EG (1) EG13080A (es)
ES (5) ES459994A1 (es)
FI (6) FI72722C (es)
FR (1) FR2372821B1 (es)
GB (5) GB1538372A (es)
GR (1) GR68938B (es)
HK (5) HK30481A (es)
HU (4) HU186026B (es)
IE (5) IE45643B1 (es)
IT (1) IT1106258B (es)
LU (1) LU77600A1 (es)
MX (1) MX4597E (es)
MY (3) MY8100262A (es)
NL (5) NL170955C (es)
NO (7) NO150561C (es)
NZ (1) NZ184342A (es)
PH (5) PH13557A (es)
PL (4) PL115586B1 (es)
PT (1) PT66694B (es)
RO (4) RO74367A (es)
SE (6) SE433079B (es)
SU (2) SU955859A3 (es)
TR (1) TR19652A (es)
YU (4) YU40166B (es)

Families Citing this family (13)

* 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 (es) * 1980-08-20 1982-03-05
JPS59135008U (es) * 1983-02-28 1984-09-10
JPS6050245A (en) * 1983-08-29 1985-03-19 Nissan Motor Co Ltd Fuel injection device in internal-combustion engine
JPH0226945Y2 (es) * 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
WO2008116301A1 (en) 2007-03-28 2008-10-02 Apotex Technologies Inc. Fluorinated derivatives of deferiprone
ES2539414T3 (es) 2008-04-25 2015-06-30 Apotex Technologies Inc. Formulación líquida para deferiprona con sabor apetecible
WO2011000104A1 (en) 2009-07-03 2011-01-06 Apotex Technologies Inc. Fluorinated derivatives of 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

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 (es) * 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
JPS5412465B2 (es) * 1975-07-17 1979-05-23
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
HU180040B (en) 1983-01-28
DE2728499C2 (es) 1986-04-03
ATA440477A (de) 1980-11-15
BG28849A3 (en) 1980-07-15
SU1015826A3 (ru) 1983-04-30
CA1117541A (en) 1982-02-02
DK326086D0 (da) 1986-07-09
PL115586B1 (en) 1981-04-30
FI831704A (es)
PT66694B (en) 1978-11-17
CA1095921A1 (es)
MY8100262A (en) 1981-12-31
HK30781A (en) 1981-07-10
BE855965A1 (es)
FI831700A (es)
NO150561B (no) 1984-07-30
DE2760221C2 (es) 1989-10-05
JPS5436270A (en) 1979-03-16
DK153483C (da) 1988-11-28
YU43190B (en) 1989-04-30
IE45641L (en) 1978-02-02
ES470744A1 (es) 1979-01-16
CH626357A5 (en) 1981-11-13
PH13926A (en) 1980-11-04
FI831703A0 (fi) 1983-05-16
SE433079B (sv) 1984-05-07
SE8200519L (sv) 1982-01-29
SE8200522L (sv) 1982-01-29
SE444564B (sv) 1986-04-21
ES470745A1 (es) 1979-01-16
FI831703D0 (es)
FI771934A (es) 1978-02-03
DK154079C (da) 1989-02-27
NO821849L (no) 1978-02-03
JPS5436268A (en) 1979-03-16
AT362790B (de) 1981-06-10
DK153483B (da) 1988-07-18
CA1117541A2 (es)
IE45642B1 (en) 1982-10-20
NL8105539A (nl) 1982-04-01
SE8200520L (sv) 1982-01-29
GB1538372A (en) 1979-01-17
NL182477B (nl) 1987-10-16
NO821847L (no) 1978-02-03
IE790584L (en) 1978-02-02
NO834236L (no) 1978-02-03
NL8105540A (nl) 1982-04-01
GB1538371A (en) 1979-01-17
GB1538373A (en) 1979-01-17
DK326086A (da) 1986-07-09
DK325986D0 (da) 1986-07-09
FI831701D0 (es)
FR2372821B1 (es) 1980-10-17
GB1538375A (en) 1979-01-17
FI72119B (fi) 1986-12-31
SE452616B (sv) 1987-12-07
DK153401B (da) 1988-07-11
ATA124380A (de) 1981-03-15
AT363470B (de) 1981-08-10
NZ184342A (en) 1978-09-25
NO150042B (no) 1984-04-30
EG13080A (en) 1981-03-31
IE790586L (en) 1978-02-02
YU40166B (en) 1985-08-31
DE2760220C2 (es) 1987-08-20
BG29136A3 (bg) 1980-09-15
JPS5420500B2 (es) 1979-07-23
ES470743A1 (es) 1979-01-16
DK153401C (da) 1988-11-28
FI831701A0 (fi) 1983-05-16
NO150042C (no) 1984-08-15
CH625798A5 (en) 1981-10-15
CS203922B2 (en) 1981-03-31
NO151365B (no) 1984-12-17
MX4597E (es) 1982-06-25
DK326186D0 (da) 1986-07-09
NL7706811A (nl) 1978-02-06
FI72723B (fi) 1987-03-31
PL115496B1 (en) 1981-04-30
PH13874A (en) 1980-10-24
HK30681A (en) 1981-07-10
PT66694A (en) 1977-07-01
FI831702L (fi) 1983-05-16
NL182805B (nl) 1987-12-16
NO821851L (no) 1978-02-03
CH625235A5 (en) 1981-09-15
FI72722B (fi) 1987-03-31
FI831702A (es)
HK30481A (en) 1981-07-10
DK154079B (da) 1988-10-10
NO772193L (no) 1978-02-03
NO150043C (no) 1984-08-15
GR68938B (es) 1982-03-29
SE444565B (sv) 1986-04-21
PL215006A1 (pl) 1979-12-17
JPS5618597B2 (es) 1981-04-30
ES459994A1 (es) 1978-11-16
NO150560C (no) 1984-11-07
NL182476B (nl) 1987-10-16
JPS5618596B2 (es) 1981-04-30
RO78952A (ro) 1982-04-12
FI72721C (fi) 1987-07-10
LU77600A1 (es) 1978-02-01
NL182478C (nl) 1988-03-16
FI831700A0 (fi) 1983-05-16
DK326186A (da) 1986-07-09
IT1106258B (it) 1985-11-11
JPS5814433B2 (es) 1983-03-18
TR19652A (tr) 1979-09-17
IE790585L (en) 1978-02-02
IE45641B1 (en) 1982-10-20
FI72722C (fi) 1987-07-10
PL215007A1 (pl) 1979-12-17
NO150559B (no) 1984-07-30
JPS5729034B2 (es) 1982-06-19
JPS5436267A (en) 1979-03-16
FI831703A (es)
FI831702A0 (fi) 1983-05-16
HU185687B (en) 1985-03-28
JPS5436269A (en) 1979-03-16
NL182478B (en) 1987-10-16
DK276177A (da) 1978-02-03
FI831700D0 (es)
CA1095921A (en) 1981-02-17
PL215008A1 (pl) 1979-12-17
DD132494A5 (en) 1978-10-04
HU186026B (en) 1985-05-28
DE2728499A1 (de) 1978-02-09
FI72721B (fi) 1987-03-31
DK153484B (da) 1988-07-18
DK153484C (da) 1988-11-28
PH15185A (en) 1982-09-10
AU2601777A (en) 1978-09-21
BG28989A4 (en) 1980-08-15
FI73424B (fi) 1987-06-30
FI831703L (fi) 1983-05-16
CS203921B2 (en) 1981-03-31
ES470746A1 (es) 1979-01-16
MY8100267A (en) 1981-12-31
YU166383A (en) 1986-02-28
SE7707035L (sv) 1978-02-03
NO150561C (no) 1984-11-07
SU955859A3 (ru) 1982-08-30
FR2372821A1 (fr) 1978-06-30
HK30381A (en) 1981-07-10
BE855965A (fr) 1977-12-21
NL170955C (nl) 1983-01-17
NL8105537A (nl) 1982-04-01
FI831704D0 (es)
NO150559C (no) 1984-11-07
IE45645B1 (en) 1982-10-20
NL182476C (en) 1988-03-16
BR7703970A (pt) 1978-07-04
AT364356B (de) 1981-10-12
MY8100287A (en) 1981-12-31
IE790587L (en) 1978-02-02
NO821850L (no) 1978-02-03
NL8105538A (nl) 1982-04-01
FI72119C (fi) 1987-04-13
IE45643B1 (en) 1982-10-20
CA1110254A2 (es)
DK325986A (da) 1986-07-09
NO151365C (no) 1985-03-27
FI72720B (fi) 1987-03-31
YU270382A (en) 1983-10-31
SE8200518L (sv) 1982-01-29
IE45644B1 (en) 1982-10-20
SE445041B (sv) 1986-05-26
PH13557A (en) 1980-06-26
PH14625A (en) 1981-10-12
CS203923B2 (en) 1981-03-31
FI73424C (fi) 1987-10-09
PL199798A1 (pl) 1979-08-27
JPS5436271A (en) 1979-03-16
RO78951A2 (ro) 1982-04-12
PL115497B1 (en) 1981-04-30
JPS5436266A (en) 1979-03-16
ATA124480A (de) 1981-01-15
NO821848L (no) 1978-02-03
FI831701L (fi) 1983-05-16
NO150560B (no) 1984-07-30
CH626358A5 (en) 1981-11-13
YU274782A (en) 1983-12-31
SE445042B (sv) 1986-05-26
CA1110254A (en) 1981-10-06
FI831701A (es)
NL170955B (nl) 1982-08-16
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
RO78953A (ro) 1982-04-12
FI831704L (fi) 1983-05-16
FI831700L (fi) 1983-05-16
NL182805C (nl) 1988-05-16
JPS5318578A (en) 1978-02-20
FI72723C (fi) 1987-07-10
YU146977A (en) 1983-06-30
FI831702D0 (es)
FI831704A0 (fi) 1983-05-16
FI72720C (fi) 1987-07-10
SE8200521L (sv) 1982-01-29
NL182477C (nl) 1988-03-16
BG28988A4 (bg) 1980-08-15
NO150043B (no) 1984-04-30
YU42613B (en) 1988-10-31
RO74367A (ro) 1981-11-24
HK30581A (en) 1981-07-10

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