JPS5618597B2 - - Google Patents

Info

Publication number
JPS5618597B2
JPS5618597B2 JP6282278A JP6282278A JPS5618597B2 JP S5618597 B2 JPS5618597 B2 JP S5618597B2 JP 6282278 A JP6282278 A JP 6282278A JP 6282278 A JP6282278 A JP 6282278A JP S5618597 B2 JPS5618597 B2 JP S5618597B2
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Expired
Application number
JP6282278A
Other languages
Japanese (ja)
Other versions
JPS5436271A (en
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 filed Critical
Publication of JPS5436271A publication Critical patent/JPS5436271A/en
Publication of JPS5618597B2 publication Critical patent/JPS5618597B2/ja
Granted legal-status Critical Current

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
JP6282278A 1976-08-02 1978-05-25 Production of intermediate for gammaapyrone synthesis Granted JPS5436271A (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 (2)

Publication Number Publication Date
JPS5436271A JPS5436271A (en) 1979-03-16
JPS5618597B2 true JPS5618597B2 (en) 1981-04-30

Family

ID=27108548

Family Applications (7)

Application Number Title Priority Date Filing Date
JP7157277A Granted JPS5318578A (en) 1976-08-02 1977-06-16 Production of gammaa pylones
JP6281778A Pending JPS5436266A (en) 1976-08-02 1978-05-25 Production of intermediate for gammaapyrone synthesis
JP6282278A Granted JPS5436271A (en) 1976-08-02 1978-05-25 Production of intermediate for gammaapyrone synthesis
JP53062820A Expired JPS5814433B2 (en) 1976-08-02 1978-05-25 Intermediate for synthesis of gamma-pyrones and method for producing the same
JP6281978A Pending JPS5436268A (en) 1976-08-02 1978-05-25 Production of gammaapyrones
JP6281878A Granted JPS5436267A (en) 1976-08-02 1978-05-25 Production of gammaapyrones
JP6282178A Granted JPS5436270A (en) 1976-08-02 1978-05-25 Production of intermediate for gammaapyrone synthesis

Family Applications Before (2)

Application Number Title Priority Date Filing Date
JP7157277A Granted JPS5318578A (en) 1976-08-02 1977-06-16 Production of gammaa pylones
JP6281778A Pending JPS5436266A (en) 1976-08-02 1978-05-25 Production of intermediate for gammaapyrone synthesis

Family Applications After (4)

Application Number Title Priority Date Filing Date
JP53062820A Expired JPS5814433B2 (en) 1976-08-02 1978-05-25 Intermediate for synthesis of gamma-pyrones and method for producing the same
JP6281978A Pending JPS5436268A (en) 1976-08-02 1978-05-25 Production of gammaapyrones
JP6281878A Granted JPS5436267A (en) 1976-08-02 1978-05-25 Production of gammaapyrones
JP6282178A Granted JPS5436270A (en) 1976-08-02 1978-05-25 Production of intermediate for gammaapyrone synthesis

Country Status (36)

Country Link
JP (7) JPS5318578A (en)
AR (1) AR216080A1 (en)
AT (3) AT362790B (en)
BE (1) BE855965A (en)
BG (4) BG28849A3 (en)
BR (1) BR7703970A (en)
CA (3) CA1095921A (en)
CH (4) CH625798A5 (en)
CS (3) CS203921B2 (en)
DD (1) DD132494A5 (en)
DE (3) DE2728499C2 (en)
DK (4) DK153483C (en)
EG (1) EG13080A (en)
ES (5) ES459994A1 (en)
FI (6) FI72722C (en)
FR (1) FR2372821A1 (en)
GB (5) GB1538375A (en)
GR (1) GR68938B (en)
HK (5) HK30381A (en)
HU (4) HU185686B (en)
IE (5) IE45641B1 (en)
IT (1) IT1106258B (en)
LU (1) LU77600A1 (en)
MX (1) MX4597E (en)
MY (3) MY8100267A (en)
NL (5) NL170955C (en)
NO (7) NO150561C (en)
NZ (1) NZ184342A (en)
PH (5) PH13557A (en)
PL (4) PL115586B1 (en)
PT (1) PT66694B (en)
RO (4) RO74367A (en)
SE (6) SE433079B (en)
SU (2) SU955859A3 (en)
TR (1) TR19652A (en)
YU (4) YU40166B (en)

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 (en) * 1977-09-12 1979-04-06 Shinetsu Chemical Co Tetra:hydro-pyranone derivs. - useful as intermediates for cpds. used as food flavours
JPS5444675A (en) * 1977-09-12 1979-04-09 Shin Etsu Chem Co Ltd Production of 3-hydroxy-4-pyrone analog
JPS5741226U (en) * 1980-08-20 1982-03-05
JPS59135008U (en) * 1983-02-28 1984-09-10 松下電工株式会社 Distribution board device
JPS6050245A (en) * 1983-08-29 1985-03-19 Nissan Motor Co Ltd Fuel injection device in internal-combustion engine
JPH0226945Y2 (en) * 1985-09-11 1990-07-20
JP2586607B2 (en) * 1987-10-30 1997-03-05 日産化学工業株式会社 Production method of optically active alcohol
CA2627529A1 (en) * 2007-03-28 2008-09-28 Apotex Technologies Inc. Fluorinated derivatives of deferiprone
MX2010011701A (en) 2008-04-25 2010-12-06 Apotex Technologies Inc Liquid formulation for deferiprone with palatable taste.
KR101682966B1 (en) 2009-07-03 2016-12-06 아포텍스 테크놀로지스 인크. 34 fluorinated derivatives of 3hydroxypyridine4ones
WO2017168309A1 (en) * 2016-03-29 2017-10-05 Dr. Reddy’S Laboratories Limited Process for preparation of eribulin and intermediates thereof
CN108609456B (en) * 2016-12-13 2021-03-12 奥的斯电梯公司 Openable expansion panel and elevator suspended ceiling, elevator car and elevator system with same
CN111606879A (en) * 2020-05-25 2020-09-01 安徽金禾实业股份有限公司 Method for preparing 2-hydroxymethyl-3-alkoxy-4H-pyran-4-ketone by one-pot method

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 (en) * 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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CHEMISTRY LETTERS=1976 *
TETROHEDRON=1973 *

Also Published As

Publication number Publication date
DK153483B (en) 1988-07-18
DK325986A (en) 1986-07-09
DK154079B (en) 1988-10-10
FI73424C (en) 1987-10-09
LU77600A1 (en) 1978-02-01
DK154079C (en) 1989-02-27
SE445042B (en) 1986-05-26
PH13926A (en) 1980-11-04
NO150560C (en) 1984-11-07
SU955859A3 (en) 1982-08-30
FI831704A0 (en) 1983-05-16
NL182477C (en) 1988-03-16
PL115497B1 (en) 1981-04-30
JPS5436268A (en) 1979-03-16
JPS5420500B2 (en) 1979-07-23
FI72720B (en) 1987-03-31
PL215006A1 (en) 1979-12-17
FR2372821B1 (en) 1980-10-17
PT66694A (en) 1977-07-01
FI72720C (en) 1987-07-10
DK326186A (en) 1986-07-09
YU274782A (en) 1983-12-31
FI831702L (en) 1983-05-16
IE45644B1 (en) 1982-10-20
NL8105538A (en) 1982-04-01
IT1106258B (en) 1985-11-11
JPS5436271A (en) 1979-03-16
FI831701L (en) 1983-05-16
PH15185A (en) 1982-09-10
ATA440477A (en) 1980-11-15
NL170955B (en) 1982-08-16
CA1117541A (en) 1982-02-02
DE2728499C2 (en) 1986-04-03
AT363470B (en) 1981-08-10
NO821848L (en) 1978-02-03
PH14625A (en) 1981-10-12
SE7707035L (en) 1978-02-03
PL215008A1 (en) 1979-12-17
HK30681A (en) 1981-07-10
MY8100262A (en) 1981-12-31
DK326186D0 (en) 1986-07-09
MY8100267A (en) 1981-12-31
NO151365B (en) 1984-12-17
CH625235A5 (en) 1981-09-15
SE444564B (en) 1986-04-21
BR7703970A (en) 1978-07-04
YU166383A (en) 1986-02-28
SE8200519L (en) 1982-01-29
HK30481A (en) 1981-07-10
DK153483C (en) 1988-11-28
NZ184342A (en) 1978-09-25
NO150559B (en) 1984-07-30
NL182478C (en) 1988-03-16
CH626357A5 (en) 1981-11-13
RO78952A (en) 1982-04-12
CH625798A5 (en) 1981-10-15
FI831703A0 (en) 1983-05-16
NO150043B (en) 1984-04-30
BG28849A3 (en) 1980-07-15
IE45643B1 (en) 1982-10-20
IE45641L (en) 1978-02-02
GR68938B (en) 1982-03-29
FI771934A (en) 1978-02-03
JPS5436266A (en) 1979-03-16
NL182478B (en) 1987-10-16
CS203922B2 (en) 1981-03-31
DK326086A (en) 1986-07-09
JPS5436270A (en) 1979-03-16
SE433079B (en) 1984-05-07
EG13080A (en) 1981-03-31
IE45641B1 (en) 1982-10-20
GB1538375A (en) 1979-01-17
HK30581A (en) 1981-07-10
BG29136A3 (en) 1980-09-15
YU270382A (en) 1983-10-31
FI831700L (en) 1983-05-16
BG28988A4 (en) 1980-08-15
PH13557A (en) 1980-06-26
NL182805C (en) 1988-05-16
FI72723B (en) 1987-03-31
NO821847L (en) 1978-02-03
FI72119B (en) 1986-12-31
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
NO834236L (en) 1978-02-03
NL182476B (en) 1987-10-16
HU186026B (en) 1985-05-28
DK325986D0 (en) 1986-07-09
HU185687B (en) 1985-03-28
ES470743A1 (en) 1979-01-16
NO151365C (en) 1985-03-27
PH13874A (en) 1980-10-24
NL182476C (en) 1988-03-16
GB1538373A (en) 1979-01-17
MX4597E (en) 1982-06-25
NO150561C (en) 1984-11-07
DK153484B (en) 1988-07-18
SE8200518L (en) 1982-01-29
FI72721C (en) 1987-07-10
NO821850L (en) 1978-02-03
ES470746A1 (en) 1979-01-16
NL182805B (en) 1987-12-16
NO150561B (en) 1984-07-30
FI72721B (en) 1987-03-31
FI831704L (en) 1983-05-16
IE790587L (en) 1978-02-02
CA1095921A (en) 1981-02-17
DE2760221C2 (en) 1989-10-05
SE8200521L (en) 1982-01-29
HK30781A (en) 1981-07-10
HK30381A (en) 1981-07-10
SE445041B (en) 1986-05-26
SU1015826A3 (en) 1983-04-30
ES470744A1 (en) 1979-01-16
SE8200520L (en) 1982-01-29
DD132494A5 (en) 1978-10-04
PL115496B1 (en) 1981-04-30
GB1538372A (en) 1979-01-17
NO150043C (en) 1984-08-15
DK153401C (en) 1988-11-28
DE2760220C2 (en) 1987-08-20
IE45645B1 (en) 1982-10-20
AR216080A1 (en) 1979-11-30
PT66694B (en) 1978-11-17
ATA124480A (en) 1981-01-15
NL8105540A (en) 1982-04-01
RO74367A (en) 1981-11-24
SE444565B (en) 1986-04-21
RO78951A2 (en) 1982-04-12
AT364356B (en) 1981-10-12
NL182477B (en) 1987-10-16
FI72119C (en) 1987-04-13
IE790585L (en) 1978-02-02
NO150560B (en) 1984-07-30
FI831702A0 (en) 1983-05-16
ES459994A1 (en) 1978-11-16
NO821851L (en) 1978-02-03
IE790584L (en) 1978-02-02
FI72723C (en) 1987-07-10
DK153401B (en) 1988-07-11
SE452616B (en) 1987-12-07
TR19652A (en) 1979-09-17
YU42613B (en) 1988-10-31
IE45642B1 (en) 1982-10-20
JPS5436269A (en) 1979-03-16
CS203921B2 (en) 1981-03-31
CA1110254A (en) 1981-10-06
CS203923B2 (en) 1981-03-31
MY8100287A (en) 1981-12-31
YU43190B (en) 1989-04-30
NO150042B (en) 1984-04-30
DK326086D0 (en) 1986-07-09
JPS5318578A (en) 1978-02-20
NL8105537A (en) 1982-04-01
DK153484C (en) 1988-11-28
NL7706811A (en) 1978-02-06
SE8200522L (en) 1982-01-29
AU2601777A (en) 1978-09-21
FI831701A0 (en) 1983-05-16
NO821849L (en) 1978-02-03
DK276177A (en) 1978-02-03
ATA124380A (en) 1981-03-15
JPS5729034B2 (en) 1982-06-19
PL199798A1 (en) 1979-08-27
RO78953A (en) 1982-04-12
BG28989A4 (en) 1980-08-15
YU40166B (en) 1985-08-31
FI831700A0 (en) 1983-05-16
JPS5436267A (en) 1979-03-16
PL115586B1 (en) 1981-04-30
DE2728499A1 (en) 1978-02-09
JPS5618596B2 (en) 1981-04-30
NO150559C (en) 1984-11-07
NL8105539A (en) 1982-04-01
ES470745A1 (en) 1979-01-16
FI72722B (en) 1987-03-31
FR2372821A1 (en) 1978-06-30
BE855965A (en) 1977-12-21
GB1538371A (en) 1979-01-17
FI831703L (en) 1983-05-16
NL170955C (en) 1983-01-17
NO772193L (en) 1978-02-03
PL215007A1 (en) 1979-12-17
HU180040B (en) 1983-01-28
FI73424B (en) 1987-06-30
AT362790B (en) 1981-06-10
JPS5814433B2 (en) 1983-03-18
NO150042C (en) 1984-08-15
IE790586L (en) 1978-02-02
CH626358A5 (en) 1981-11-13
YU146977A (en) 1983-06-30
FI72722C (en) 1987-07-10

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