NO803832L - Fremgangsmaate for fremstilling av beta-pyroner - Google Patents

Fremgangsmaate for fremstilling av beta-pyroner

Info

Publication number
NO803832L
NO803832L NO803832A NO803832A NO803832L NO 803832 L NO803832 L NO 803832L NO 803832 A NO803832 A NO 803832A NO 803832 A NO803832 A NO 803832A NO 803832 L NO803832 L NO 803832L
Authority
NO
Norway
Prior art keywords
pyrons
beta
procedure
preparation
beta pyrons
Prior art date
Application number
NO803832A
Other languages
English (en)
Other versions
NO146572C (no
NO146572B (no
Inventor
Paul Douglas Weeks
Robert Pierce Allingham
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
Publication of NO803832L publication Critical patent/NO803832L/no
Application filed by Pfizer filed Critical Pfizer
Publication of NO146572B publication Critical patent/NO146572B/no
Publication of NO146572C publication Critical patent/NO146572C/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/26Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D307/30Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/32Oxygen atoms
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L27/00Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
    • A23L27/20Synthetic spices, flavouring agents or condiments
    • A23L27/205Heterocyclic compounds
    • A23L27/2052Heterocyclic compounds having oxygen or sulfur as the only hetero atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/60Two oxygen atoms, e.g. succinic anhydride
    • 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D493/00Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04Ortho-condensed systems
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11BPRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B9/00Essential oils; Perfumes
    • C11B9/0069Heterocyclic compounds
    • C11B9/0073Heterocyclic compounds containing only O or S as heteroatoms
    • C11B9/008Heterocyclic compounds containing only O or S as heteroatoms the hetero rings containing six atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Epoxy Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Pyrane Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Picture Signal Circuits (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Pyridine Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Electroluminescent Light Sources (AREA)
NO803832A 1975-08-28 1980-12-17 Fremgangsmaate for fremstilling av beta-pyroner NO146572C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60845275A 1975-08-28 1975-08-28

Publications (3)

Publication Number Publication Date
NO803832L true NO803832L (no) 1977-03-01
NO146572B NO146572B (no) 1982-07-19
NO146572C NO146572C (no) 1982-10-27

Family

ID=24436571

Family Applications (3)

Application Number Title Priority Date Filing Date
NO762449A NO145952C (no) 1975-08-28 1976-07-13 Fremgangsmaate for fremstilling av gamma-pyroner
NO803832A NO146572C (no) 1975-08-28 1980-12-17 Fremgangsmaate for fremstilling av beta-pyroner
NO803831A NO147245C (no) 1975-08-28 1980-12-17 Forbindelser for anvendelse som utgangsmateriale ved fremstilling av etylmaltol

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NO762449A NO145952C (no) 1975-08-28 1976-07-13 Fremgangsmaate for fremstilling av gamma-pyroner

Family Applications After (1)

Application Number Title Priority Date Filing Date
NO803831A NO147245C (no) 1975-08-28 1980-12-17 Forbindelser for anvendelse som utgangsmateriale ved fremstilling av etylmaltol

Country Status (36)

Country Link
JP (1) JPS5231077A (no)
AR (2) AR214976A1 (no)
AT (1) AT347455B (no)
BE (1) BE843953A (no)
BG (1) BG27373A3 (no)
BR (1) BR7604541A (no)
CA (1) CA1077501A (no)
CH (1) CH620917A5 (no)
CS (2) CS193557B2 (no)
DD (2) DD131857A5 (no)
DE (1) DE2630837C3 (no)
DK (1) DK148020C (no)
ES (3) ES449938A1 (no)
FI (1) FI71316C (no)
FR (1) FR2322146A1 (no)
GB (2) GB1505028A (no)
GR (1) GR60430B (no)
HK (2) HK29981A (no)
HU (2) HU177367B (no)
IE (1) IE42789B1 (no)
IN (1) IN144978B (no)
IT (1) IT1065604B (no)
LU (1) LU75380A1 (no)
MX (1) MX3627E (no)
MY (2) MY8100273A (no)
NL (2) NL166260C (no)
NO (3) NO145952C (no)
PH (2) PH13217A (no)
PL (3) PL110369B1 (no)
PT (1) PT65357B (no)
RO (1) RO71275B (no)
SE (3) SE426592B (no)
SU (2) SU942596A3 (no)
TR (1) TR19310A (no)
YU (2) YU39355B (no)
ZA (1) ZA763902B (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52153967A (en) * 1976-06-15 1977-12-21 Otsuka Chem Co Ltd 5,6-dihydro-2h-pyran-5-one derivatives
CA1095921A (en) * 1976-08-02 1981-02-17 Thomas M. Brennan Preparation of gamma-pyrones

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE225446C (no) *
US3159652A (en) * 1962-06-13 1964-12-01 Pfizer & Co C Preparation of gamma-pyrones
US3476778A (en) * 1966-05-16 1969-11-04 Monsanto Co Gamma-pyrone synthesis
US3491122A (en) * 1966-09-14 1970-01-20 Monsanto Co Synthesis of 4-pyrones
JPS5145565B1 (no) * 1968-10-12 1976-12-04
JPS5212166A (en) * 1975-07-17 1977-01-29 Tatsuya Shono Process for preparation of 4-pyron derivatives

Also Published As

Publication number Publication date
GB1505029A (en) 1978-03-22
SE433078B (sv) 1984-05-07
AR215618A1 (es) 1979-10-31
SE7910630L (sv) 1979-12-21
HU177367B (en) 1981-09-28
FI762039A (no) 1977-03-01
FR2322146B1 (no) 1978-10-20
YU39577B (en) 1984-12-31
BG27373A3 (en) 1979-10-12
BR7604541A (pt) 1977-08-02
AT347455B (de) 1978-12-27
JPS5231077A (en) 1977-03-09
NO803831L (no) 1977-03-01
NO145952C (no) 1982-06-30
ZA763902B (en) 1977-05-25
DE2630837B2 (de) 1980-08-21
HU187762B (en) 1986-02-28
NO147245B (no) 1982-11-22
DD127201A5 (no) 1977-09-14
PL104612B1 (pl) 1979-08-31
NO146572C (no) 1982-10-27
GR60430B (en) 1978-05-26
PH13217A (en) 1980-02-07
DD131857A5 (de) 1978-07-26
RO71275B (ro) 1984-03-31
DK148020B (da) 1985-02-04
SE426592B (sv) 1983-01-31
IE42789B1 (en) 1980-10-22
LU75380A1 (no) 1977-04-04
PT65357B (en) 1978-01-09
DE2630837C3 (de) 1981-07-09
CH620917A5 (en) 1980-12-31
PL110369B1 (en) 1980-07-31
DK315576A (da) 1976-02-29
FI71316B (fi) 1986-09-09
MX3627E (es) 1981-04-03
PT65357A (en) 1976-07-31
CS193595B2 (en) 1979-10-31
SU942596A3 (ru) 1982-07-07
YU160476A (en) 1982-08-31
NO147245C (no) 1983-03-02
ES461253A1 (es) 1978-08-16
NL7607730A (nl) 1977-03-02
DE2630837A1 (de) 1977-03-03
SE7910631L (sv) 1979-12-21
GB1505028A (en) 1978-03-22
CA1077501A (en) 1980-05-13
MY8100273A (en) 1981-12-31
NL166260C (nl) 1981-07-15
CS193557B2 (en) 1979-10-31
DK148020C (da) 1985-10-07
IT1065604B (it) 1985-03-04
NL166260B (nl) 1981-02-16
YU103182A (en) 1982-08-31
NO145952B (no) 1982-03-22
FI71316C (fi) 1986-12-19
PH14410A (en) 1981-06-25
YU39355B (en) 1984-10-31
PL110241B1 (en) 1980-07-31
ES449938A1 (es) 1978-03-16
RO71275A (ro) 1984-03-15
AU1578376A (en) 1978-01-12
MY8100265A (en) 1981-12-31
NO762449L (no) 1977-03-01
SE432929B (sv) 1984-04-30
SE7607321L (sv) 1977-03-01
FR2322146A1 (fr) 1977-03-25
HK30081A (en) 1981-07-10
TR19310A (tr) 1978-11-28
ATA517276A (de) 1978-05-15
SU1169540A3 (ru) 1985-07-23
HK29981A (en) 1981-07-10
ES461252A1 (es) 1978-08-16
BE843953A (fr) 1977-01-10
IN144978B (no) 1978-08-05
NO146572B (no) 1982-07-19
IE42789L (en) 1977-02-28
AR214976A1 (es) 1979-08-31
NL8004974A (nl) 1980-11-28

Similar Documents

Publication Publication Date Title
SE433208B (sv) Forfarande for framstellning av fenoletrar
SE7605139L (sv) Forfarande for framstellning av vattenupptagande cellulosaetrar
SE430336B (sv) Forbettrat forfarande for framstellning av amoxicillinfrihydrat
SE433610B (sv) Forfarande for framstellning av aromatiska uretaner
AR217629A1 (es) Procedimiento de preparacion de derivados de tienotetrahidropiridina
AR211273A1 (es) Procendimiento de preparacion de nuevas (fenoxi-4-fenil)1-piperazinas
SE7611280L (sv) Forfarande for framstellning av 3-hydroxi-3-cefemestersulfoxider
NO139555C (no) Fremgangsmaate for fremstilling av fosgen
SE7607717L (sv) Analogiforfarande for framstellning av l-pyroglutamyl-l-prolinamid
SE7606116L (sv) Forfarande for framstellning av 3-fenoxidbensaldehyder
SE7600910L (sv) Forfarande for framstellning av polyuretaner
RO69281A (ro) Procedeu pentru prepararea alchilamino-s-triazinelor
NO146141C (no) Fremgangsmaate til fremstilling av aminocyklitolantibiotika
SE7604781L (sv) Forfarande for framstellning av diarylhydroxibutylaminer
SE404186B (sv) Forfarande for framstellning av cyklopropanolderivat
SE423814B (sv) Forfarande for framstellning av dibensofenazin- eller acenaftokinoxalinderivat
SE7604669L (sv) Forfarande for framstellning av estrar av tiokarbamidsyror
SE446726B (sv) Forfarande for framstellning av 16-metoxiprostaglandiner
SE7610637L (sv) Forfarande for framstellning av 2-alkylindaner
SE7608589L (sv) Forfarande for framstellning av fortimicin c
SE7607026L (sv) Forfarande for framstellning av 5-alkylpikolinsyra
SE7604940L (sv) Forfarande for framstellning av sulfamylbensoesyror
SE7605427L (sv) Forfarande for framstellning av klorcyan
NO803832L (no) Fremgangsmaate for fremstilling av beta-pyroner
SE7603682L (sv) Forfarande for framstellning av en eteriskt substituerad monosackarid