ES461252A1 - Un procedimiento para la produccion de 4,5-epoxi-tetrahidro-piran-3-ona. - Google Patents

Un procedimiento para la produccion de 4,5-epoxi-tetrahidro-piran-3-ona.

Info

Publication number
ES461252A1
ES461252A1 ES461252A ES461252A ES461252A1 ES 461252 A1 ES461252 A1 ES 461252A1 ES 461252 A ES461252 A ES 461252A ES 461252 A ES461252 A ES 461252A ES 461252 A1 ES461252 A1 ES 461252A1
Authority
ES
Spain
Prior art keywords
pyrones
gamma
preparation
formula
compound
Prior art date
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
ES461252A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pfizer Inc
Original Assignee
Pfizer Inc
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
Application filed by Pfizer Inc filed Critical Pfizer Inc
Publication of ES461252A1 publication Critical patent/ES461252A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/26—Heterocyclic 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
    • C07D307/30—Heterocyclic 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
    • C07D307/32—Oxygen atoms
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, 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
    • A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
    • A23L27/20—Synthetic spices, flavouring agents or condiments
    • A23L27/205—Heterocyclic compounds
    • A23L27/2052—Heterocyclic compounds having oxygen or sulfur as the only hetero atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic 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
    • C07D307/56—Heterocyclic 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
    • C07D307/60—Two oxygen atoms, e.g. succinic anhydride
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, 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
    • C11B9/00—Essential oils; Perfumes
    • C11B9/0069—Heterocyclic compounds
    • C11B9/0073—Heterocyclic compounds containing only O or S as heteroatoms
    • C11B9/008—Heterocyclic compounds containing only O or S as heteroatoms the hetero rings containing six atoms

Abstract

Un procedimiento para la producción de 4,5-epoxi-tetrahidro-piran-3-ona de la fórmula *(Ver fórmula 1)*. En donde R es hidrógeno, alquilo inferior de 1 a 6 átomos de carbono, alquenilo inferior de 2 a 6 átomos de carbono fenilo o bencilo, y R' es alquilo inferior de 1 a 6 átomos de carbono.
ES461252A 1975-08-28 1977-08-01 Un procedimiento para la produccion de 4,5-epoxi-tetrahidro-piran-3-ona. Expired ES461252A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES461252A1 true ES461252A1 (es) 1978-08-16

Family

ID=24436571

Family Applications (3)

Application Number Title Priority Date Filing Date
ES449938A Expired ES449938A1 (es) 1975-08-28 1976-07-19 Un procedimiento para preparar gammapironas.
ES461252A Expired ES461252A1 (es) 1975-08-28 1977-08-01 Un procedimiento para la produccion de 4,5-epoxi-tetrahidro-piran-3-ona.
ES461253A Expired ES461253A1 (es) 1975-08-28 1977-08-01 Un procedimiento para la produccion de dihidro-piran-3-ona.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES449938A Expired ES449938A1 (es) 1975-08-28 1976-07-19 Un procedimiento para preparar gammapironas.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES461253A Expired ES461253A1 (es) 1975-08-28 1977-08-01 Un procedimiento para la produccion de dihidro-piran-3-ona.

Country Status (36)

Country Link
JP (1) JPS5231077A (es)
AR (2) AR214976A1 (es)
AT (1) AT347455B (es)
BE (1) BE843953A (es)
BG (1) BG27373A3 (es)
BR (1) BR7604541A (es)
CA (1) CA1077501A (es)
CH (1) CH620917A5 (es)
CS (2) CS193595B2 (es)
DD (2) DD131857A5 (es)
DE (1) DE2630837C3 (es)
DK (1) DK148020C (es)
ES (3) ES449938A1 (es)
FI (1) FI71316C (es)
FR (1) FR2322146A1 (es)
GB (2) GB1505028A (es)
GR (1) GR60430B (es)
HK (2) HK29981A (es)
HU (2) HU177367B (es)
IE (1) IE42789B1 (es)
IN (1) IN144978B (es)
IT (1) IT1065604B (es)
LU (1) LU75380A1 (es)
MX (1) MX3627E (es)
MY (2) MY8100265A (es)
NL (2) NL166260C (es)
NO (3) NO145952C (es)
PH (2) PH13217A (es)
PL (3) PL104612B1 (es)
PT (1) PT65357B (es)
RO (1) RO71275B (es)
SE (3) SE426592B (es)
SU (2) SU942596A3 (es)
TR (1) TR19310A (es)
YU (2) YU39355B (es)
ZA (1) ZA763902B (es)

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 (es) *
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 (es) * 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
RO71275B (ro) 1984-03-31
PH14410A (en) 1981-06-25
PT65357B (en) 1978-01-09
AT347455B (de) 1978-12-27
SE7910630L (sv) 1979-12-21
YU39577B (en) 1984-12-31
DE2630837A1 (de) 1977-03-03
GB1505029A (en) 1978-03-22
NO146572B (no) 1982-07-19
DD127201A5 (es) 1977-09-14
SE7910631L (sv) 1979-12-21
RO71275A (ro) 1984-03-15
NO762449L (es) 1977-03-01
FR2322146B1 (es) 1978-10-20
DK148020C (da) 1985-10-07
SU1169540A3 (ru) 1985-07-23
DE2630837C3 (de) 1981-07-09
SE426592B (sv) 1983-01-31
FI762039A (es) 1977-03-01
IE42789B1 (en) 1980-10-22
DD131857A5 (de) 1978-07-26
CH620917A5 (en) 1980-12-31
CA1077501A (en) 1980-05-13
TR19310A (tr) 1978-11-28
FR2322146A1 (fr) 1977-03-25
ES461253A1 (es) 1978-08-16
BE843953A (fr) 1977-01-10
HK29981A (en) 1981-07-10
FI71316C (fi) 1986-12-19
ES449938A1 (es) 1978-03-16
YU103182A (en) 1982-08-31
IE42789L (en) 1977-02-28
DK148020B (da) 1985-02-04
SU942596A3 (ru) 1982-07-07
JPS5231077A (en) 1977-03-09
GB1505028A (en) 1978-03-22
AR215618A1 (es) 1979-10-31
LU75380A1 (es) 1977-04-04
ZA763902B (en) 1977-05-25
NO146572C (no) 1982-10-27
YU39355B (en) 1984-10-31
SE433078B (sv) 1984-05-07
NL7607730A (nl) 1977-03-02
NO145952B (no) 1982-03-22
NO147245B (no) 1982-11-22
AR214976A1 (es) 1979-08-31
BR7604541A (pt) 1977-08-02
HU187762B (en) 1986-02-28
HK30081A (en) 1981-07-10
MY8100265A (en) 1981-12-31
PL104612B1 (pl) 1979-08-31
AU1578376A (en) 1978-01-12
MY8100273A (en) 1981-12-31
HU177367B (en) 1981-09-28
NL166260B (nl) 1981-02-16
NO803832L (no) 1977-03-01
PL110369B1 (en) 1980-07-31
ATA517276A (de) 1978-05-15
BG27373A3 (en) 1979-10-12
SE432929B (sv) 1984-04-30
CS193595B2 (en) 1979-10-31
SE7607321L (sv) 1977-03-01
DK315576A (da) 1976-02-29
NO803831L (no) 1977-03-01
CS193557B2 (en) 1979-10-31
NO147245C (no) 1983-03-02
IN144978B (es) 1978-08-05
PL110241B1 (en) 1980-07-31
YU160476A (en) 1982-08-31
DE2630837B2 (de) 1980-08-21
NL166260C (nl) 1981-07-15
FI71316B (fi) 1986-09-09
NL8004974A (nl) 1980-11-28
MX3627E (es) 1981-04-03
PT65357A (en) 1976-07-31
GR60430B (en) 1978-05-26
IT1065604B (it) 1985-03-04
NO145952C (no) 1982-06-30
PH13217A (en) 1980-02-07

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Legal Events

Date Code Title Description
PC1A Transfer granted