[go: up one dir, main page]

DK326086A - 3-HALOGEN-6-HYDROXY-2H-PYRANE-3 (6H) -ON COMPOUNDS FOR USING SOME INTERMEDIATES IN THE PRODUCTION OF GAMMA PYRONS AND PROCEDURES FOR THE PRODUCTION OF INTERMEDIATE PRODUCTS - Google Patents

3-HALOGEN-6-HYDROXY-2H-PYRANE-3 (6H) -ON COMPOUNDS FOR USING SOME INTERMEDIATES IN THE PRODUCTION OF GAMMA PYRONS AND PROCEDURES FOR THE PRODUCTION OF INTERMEDIATE PRODUCTS Download PDF

Info

Publication number
DK326086A
DK326086A DK326086A DK326086A DK326086A DK 326086 A DK326086 A DK 326086A DK 326086 A DK326086 A DK 326086A DK 326086 A DK326086 A DK 326086A DK 326086 A DK326086 A DK 326086A
Authority
DK
Denmark
Prior art keywords
production
intermediates
gamma
hydroxy
halogen
Prior art date
Application number
DK326086A
Other languages
Danish (da)
Other versions
DK153401B (en
DK153401C (en
DK326086D0 (en
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 DK326086A publication Critical patent/DK326086A/en
Publication of DK326086D0 publication Critical patent/DK326086D0/en
Publication of DK153401B publication Critical patent/DK153401B/en
Application granted granted Critical
Publication of DK153401C publication Critical patent/DK153401C/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

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Pyrane Compounds (AREA)
  • Pyridine Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cosmetics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Furan Compounds (AREA)
  • Picture Signal Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Processing Of Color Television Signals (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Seasonings (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Control Of El Displays (AREA)

Abstract

1. 4-halogen-6-hydroxy-2H-pyran-3(6H)-one compounds for use as intermediates in preparation of gamma-pyrones of formula: <IMAGE>, I where R means hydrogen, alkyl with 1-4 carbon atoms, phenyl or benzyl, and R''' means hydrogen or alkyl with 1- 4 carbon atoms, characterized in that they have the general formula: <IMAGE>, II' where R and R''' have the above meaning, and X means chlorine or bromine.
DK326086A 1976-08-02 1986-07-09 4-HALOGEN-6-HYDROXY-2H-PYRANE-3 (6H) -ON COMPOUNDS FOR USE AS INTERMEDIATES IN THE PRODUCTION OF GAMMA PYRONS AND PROCEDURES FOR THE PRODUCTION OF INTERMEDIATE PRODUCTS DK153401C (en)

Applications Claiming Priority (6)

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
DK276177 1977-06-22
DK276177A DK153483C (en) 1976-08-02 1977-06-22 PROCEDURE FOR MANUFACTURING GAMMA PYRONS

Publications (4)

Publication Number Publication Date
DK326086A true DK326086A (en) 1986-07-09
DK326086D0 DK326086D0 (en) 1986-07-09
DK153401B DK153401B (en) 1988-07-11
DK153401C DK153401C (en) 1988-11-28

Family

ID=27108548

Family Applications (4)

Application Number Title Priority Date Filing Date
DK276177A DK153483C (en) 1976-08-02 1977-06-22 PROCEDURE FOR MANUFACTURING GAMMA PYRONS
DK326186A DK154079C (en) 1976-08-02 1986-07-09 METHOD OF PREPARING 4-HALOGEN-2H-PYRANE-3 (6H) -ON COMPOUNDS
DK325986A DK153484C (en) 1976-08-02 1986-07-09 PROCEDURE FOR MANUFACTURING GAMMA PYRONS
DK326086A DK153401C (en) 1976-08-02 1986-07-09 4-HALOGEN-6-HYDROXY-2H-PYRANE-3 (6H) -ON COMPOUNDS FOR USE AS INTERMEDIATES IN THE PRODUCTION OF GAMMA PYRONS AND PROCEDURES FOR THE PRODUCTION OF INTERMEDIATE PRODUCTS

Family Applications Before (3)

Application Number Title Priority Date Filing Date
DK276177A DK153483C (en) 1976-08-02 1977-06-22 PROCEDURE FOR MANUFACTURING GAMMA PYRONS
DK326186A DK154079C (en) 1976-08-02 1986-07-09 METHOD OF PREPARING 4-HALOGEN-2H-PYRANE-3 (6H) -ON COMPOUNDS
DK325986A DK153484C (en) 1976-08-02 1986-07-09 PROCEDURE FOR MANUFACTURING GAMMA PYRONS

Country Status (36)

Country Link
JP (7) JPS5318578A (en)
AR (1) AR216080A1 (en)
AT (3) AT362790B (en)
BE (1) BE855965A (en)
BG (4) BG28988A4 (en)
BR (1) BR7703970A (en)
CA (3) CA1095921A (en)
CH (4) CH625798A5 (en)
CS (3) CS203921B2 (en)
DD (1) DD132494A5 (en)
DE (3) DE2760221C2 (en)
DK (4) DK153483C (en)
EG (1) EG13080A (en)
ES (5) ES459994A1 (en)
FI (6) FI72722C (en)
FR (1) FR2372821A1 (en)
GB (5) GB1538371A (en)
GR (1) GR68938B (en)
HK (5) HK30381A (en)
HU (4) HU185686B (en)
IE (5) IE45642B1 (en)
IT (1) IT1106258B (en)
LU (1) LU77600A1 (en)
MX (1) MX4597E (en)
MY (3) MY8100262A (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) RO78953A (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
JPS5444675A (en) * 1977-09-12 1979-04-09 Shin Etsu Chem Co Ltd Production of 3-hydroxy-4-pyrone analog
FR2402654A1 (en) * 1977-09-12 1979-04-06 Shinetsu Chemical Co Tetra:hydro-pyranone derivs. - useful as intermediates for cpds. used as food flavours
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
BRPI0822206B8 (en) 2008-04-25 2021-05-25 Apotex Tech Inc liquid formulation for deferiprone with a pleasant taste.
EP2448922B1 (en) 2009-07-03 2014-08-20 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 (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

Also Published As

Publication number Publication date
FI831701A0 (en) 1983-05-16
CH626357A5 (en) 1981-11-13
NZ184342A (en) 1978-09-25
IE790587L (en) 1978-02-02
BG29136A3 (en) 1980-09-15
AR216080A1 (en) 1979-11-30
DK276177A (en) 1978-02-03
SE8200522L (en) 1982-01-29
NO150560B (en) 1984-07-30
FI72723C (en) 1987-07-10
MY8100262A (en) 1981-12-31
FI831703A0 (en) 1983-05-16
DK154079B (en) 1988-10-10
DK325986D0 (en) 1986-07-09
NO150042C (en) 1984-08-15
FI72720B (en) 1987-03-31
PL115496B1 (en) 1981-04-30
GB1538372A (en) 1979-01-17
IE45644B1 (en) 1982-10-20
RO78951A2 (en) 1982-04-12
PH14625A (en) 1981-10-12
FI831702L (en) 1983-05-16
IT1106258B (en) 1985-11-11
PH13926A (en) 1980-11-04
IE790584L (en) 1978-02-02
MY8100287A (en) 1981-12-31
JPS5618596B2 (en) 1981-04-30
NO150559C (en) 1984-11-07
ATA124480A (en) 1981-01-15
FI831704L (en) 1983-05-16
ATA124380A (en) 1981-03-15
NL182477B (en) 1987-10-16
HK30681A (en) 1981-07-10
LU77600A1 (en) 1978-02-01
NO821849L (en) 1978-02-03
NO150561C (en) 1984-11-07
NO150042B (en) 1984-04-30
DK154079C (en) 1989-02-27
DE2728499A1 (en) 1978-02-09
PL215006A1 (en) 1979-12-17
PL215007A1 (en) 1979-12-17
AT364356B (en) 1981-10-12
FR2372821A1 (en) 1978-06-30
BG28849A3 (en) 1980-07-15
DD132494A5 (en) 1978-10-04
FI831702A0 (en) 1983-05-16
NO834236L (en) 1978-02-03
FI771934A7 (en) 1978-02-03
NO821848L (en) 1978-02-03
CS203921B2 (en) 1981-03-31
DK326186D0 (en) 1986-07-09
SE7707035L (en) 1978-02-03
GB1538373A (en) 1979-01-17
ES459994A1 (en) 1978-11-16
TR19652A (en) 1979-09-17
HU185687B (en) 1985-03-28
SU955859A3 (en) 1982-08-30
PL199798A1 (en) 1979-08-27
DK325986A (en) 1986-07-09
DE2760221C2 (en) 1989-10-05
FI831703L (en) 1983-05-16
SU1015826A3 (en) 1983-04-30
FI72723B (en) 1987-03-31
HK30781A (en) 1981-07-10
GR68938B (en) 1982-03-29
CA1117541A (en) 1982-02-02
HU180040B (en) 1983-01-28
JPS5436266A (en) 1979-03-16
RO78952A (en) 1982-04-12
CS203923B2 (en) 1981-03-31
FI73424C (en) 1987-10-09
ATA440477A (en) 1980-11-15
JPS5618597B2 (en) 1981-04-30
SE8200521L (en) 1982-01-29
SE444565B (en) 1986-04-21
DE2728499C2 (en) 1986-04-03
DK326186A (en) 1986-07-09
BG28988A4 (en) 1980-08-15
DK153484B (en) 1988-07-18
JPS5436270A (en) 1979-03-16
SE433079B (en) 1984-05-07
IE790586L (en) 1978-02-02
PL115497B1 (en) 1981-04-30
NL182805C (en) 1988-05-16
FI72721B (en) 1987-03-31
AT362790B (en) 1981-06-10
NL8105539A (en) 1982-04-01
BE855965A (en) 1977-12-21
AU2601777A (en) 1978-09-21
CH625798A5 (en) 1981-10-15
SE445042B (en) 1986-05-26
PH15185A (en) 1982-09-10
ES470745A1 (en) 1979-01-16
FI72721C (en) 1987-07-10
PT66694A (en) 1977-07-01
FI831700L (en) 1983-05-16
NL8105540A (en) 1982-04-01
FI831701L (en) 1983-05-16
PL115586B1 (en) 1981-04-30
NO150559B (en) 1984-07-30
DK153401B (en) 1988-07-11
FI831704A0 (en) 1983-05-16
HU186026B (en) 1985-05-28
HK30581A (en) 1981-07-10
FI72119C (en) 1987-04-13
GB1538375A (en) 1979-01-17
DK153483C (en) 1988-11-28
DK153483B (en) 1988-07-18
FR2372821B1 (en) 1980-10-17
ES470744A1 (en) 1979-01-16
FI831700A0 (en) 1983-05-16
YU42613B (en) 1988-10-31
PH13557A (en) 1980-06-26
NL170955B (en) 1982-08-16
YU274782A (en) 1983-12-31
NO821850L (en) 1978-02-03
NO151365B (en) 1984-12-17
NO150043B (en) 1984-04-30
JPS5814433B2 (en) 1983-03-18
SE8200518L (en) 1982-01-29
YU270382A (en) 1983-10-31
YU146977A (en) 1983-06-30
CA1095921A (en) 1981-02-17
IE45641L (en) 1978-02-02
SE452616B (en) 1987-12-07
NL8105537A (en) 1982-04-01
MX4597E (en) 1982-06-25
NL182477C (en) 1988-03-16
NO821847L (en) 1978-02-03
CH625235A5 (en) 1981-09-15
NL170955C (en) 1983-01-17
HK30481A (en) 1981-07-10
NO150560C (en) 1984-11-07
JPS5729034B2 (en) 1982-06-19
SE8200519L (en) 1982-01-29
MY8100267A (en) 1981-12-31
FI72722B (en) 1987-03-31
NL182476C (en) 1988-03-16
IE45642B1 (en) 1982-10-20
CA1110254A (en) 1981-10-06
YU166383A (en) 1986-02-28
DE2760220C2 (en) 1987-08-20
CH626358A5 (en) 1981-11-13
DK153484C (en) 1988-11-28
CS203922B2 (en) 1981-03-31
YU43190B (en) 1989-04-30
JPS5436269A (en) 1979-03-16
NL7706811A (en) 1978-02-06
NL182805B (en) 1987-12-16
SE8200520L (en) 1982-01-29
NL8105538A (en) 1982-04-01
NL182478B (en) 1987-10-16
NL182476B (en) 1987-10-16
BR7703970A (en) 1978-07-04
IE45645B1 (en) 1982-10-20
FI73424B (en) 1987-06-30
AT363470B (en) 1981-08-10
JPS5436271A (en) 1979-03-16
HK30381A (en) 1981-07-10
NO821851L (en) 1978-02-03
BG28989A4 (en) 1980-08-15
NO150561B (en) 1984-07-30
DK153401C (en) 1988-11-28
NO772193L (en) 1978-02-03
FI72720C (en) 1987-07-10
JPS5420500B2 (en) 1979-07-23
PL215008A1 (en) 1979-12-17
YU40166B (en) 1985-08-31
IE790585L (en) 1978-02-02
IE45641B1 (en) 1982-10-20
PH13874A (en) 1980-10-24
JPS5318578A (en) 1978-02-20
RO78953A (en) 1982-04-12
NL182478C (en) 1988-03-16
NO151365C (en) 1985-03-27
FI72119B (en) 1986-12-31
GB1538371A (en) 1979-01-17
PT66694B (en) 1978-11-17
NO150043C (en) 1984-08-15
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
FI72722C (en) 1987-07-10
JPS5436267A (en) 1979-03-16
JPS5436268A (en) 1979-03-16
SE445041B (en) 1986-05-26
DK326086D0 (en) 1986-07-09
RO74367A (en) 1981-11-24
EG13080A (en) 1981-03-31
SE444564B (en) 1986-04-21
ES470746A1 (en) 1979-01-16
ES470743A1 (en) 1979-01-16
IE45643B1 (en) 1982-10-20

Similar Documents

Publication Publication Date Title
DK326086A (en) 3-HALOGEN-6-HYDROXY-2H-PYRANE-3 (6H) -ON COMPOUNDS FOR USING SOME INTERMEDIATES IN THE PRODUCTION OF GAMMA PYRONS AND PROCEDURES FOR THE PRODUCTION OF INTERMEDIATE PRODUCTS
IL66152A0 (en) Pyridinocarbinols,their preparation and their use as fungicides
ES8705421A1 (en) A PROCEDURE FOR THE PREPARATION OF 4-AMINO-2-PHENYL-QUINOLINS
ES458807A1 (en) A PROCEDURE FOR PREPARING PHENYLALKANOYLAMINES.
FR2518538B1 (en)
DE3164005D1 (en) Use of alpha-azolylglycoles as plant growth regulators
DE3161263D1 (en) Thiazole derivatives, their preparation and use in therapeutics
GB2021586A (en) 1,2,4-Triazolidin-3-ones (and -thiones)
ES446325A1 (en) Process for the preparation of thieno(3,2-c) pyridine and derivatives thereof
SE7811478L (en) SUBSTITUTED TIOPHENES
DK37782A (en) PROCEDURE FOR PREPARING 17ALFA-HYDROXY-17BETA-HYDROXYACETYL STEROIDS
IL67360A0 (en) Alpha-azolylglycols and their use as fungicides
DK284085A (en) ISOXAZOLOQUINOLINON DERIVATIVES, THEIR PREPARATION AND USE
ES517874A0 (en) PREPARATION PROCEDURE FOR DIAZA-3,7A-CYCLLOHERTA- (J, K) -FLUORENES.
ZA827976B (en) Novel imidazolecarboxylic acid derivatives
SE7709523L (en) DIURETAN
SE8003117L (en) ALFA HALOMETYLAMINER
GB1509034A (en) Herbicides
IL62803A0 (en) Fluorinated azomethines,their preparation and their use as intermediate products
DK452984D0 (en) PROCEDURE FOR PREPARING QUINOLIN-4-ONER
GB1532749A (en) Azamethine-copper complex compounds
DK452684A (en) PROCEDURE FOR PREPARING QUINOLIN-4-ONER
ZA832824B (en) New therapeutically useful dithiino (1,4)(2,3-c)pyrrole derivatives

Legal Events

Date Code Title Description
PUP Patent expired