RO71275A - Procede pour la preparation des gama-pyrones - Google Patents

Procede pour la preparation des gama-pyrones

Info

Publication number: RO71275A
Authority: RO; Romania
Prior art keywords: pyrones; gama; preparation
Prior art date: 1975-08-28

Application number

RO7687075A

Other languages

English (en)

Romanian (ro)

Other versions

RO71275B (ro

Inventor

Paul D Weeks

Robert P Allingham

Original Assignee

Pfizer,Inc,Us

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.)

1975-08-28

Filing date

1976-07-23

Publication date

1984-03-15

1976-07-23 Application filed by Pfizer,Inc,Us filed Critical Pfizer,Inc,Us

1984-03-15 Publication of RO71275A publication Critical patent/RO71275A/fr

1984-03-31 Publication of RO71275B publication Critical patent/RO71275B/ro

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 OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
- 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

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)
Plural Heterocyclic Compounds (AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Pyrane Compounds (AREA)
Compounds Of Unknown Constitution (AREA)
Transforming Electric Information Into Light Information (AREA)
Electroluminescent Light Sources (AREA)
Picture Signal Circuits (AREA)
Nitrogen Condensed Heterocyclic Rings (AREA)
Pyridine Compounds (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)

RO87075A 1975-08-28 1976-07-23 Procedeu pentru prepararea unor gama-pirone RO71275B (ro)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number	Publication Date
RO71275A true RO71275A (fr)	1984-03-15
RO71275B RO71275B (ro)	1984-03-31

Family

ID=24436571

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
RO87075A RO71275B (ro)	1975-08-28	1976-07-23	Procedeu pentru prepararea unor gama-pirone

Country Status (36)

Country	Link
JP (1)	JPS5231077A (fr)
AR (2)	AR214976A1 (fr)
AT (1)	AT347455B (fr)
BE (1)	BE843953A (fr)
BG (1)	BG27373A3 (fr)
BR (1)	BR7604541A (fr)
CA (1)	CA1077501A (fr)
CH (1)	CH620917A5 (fr)
CS (2)	CS193557B2 (fr)
DD (2)	DD131857A5 (fr)
DE (1)	DE2630837C3 (fr)
DK (1)	DK148020C (fr)
ES (3)	ES449938A1 (fr)
FI (1)	FI71316C (fr)
FR (1)	FR2322146A1 (fr)
GB (2)	GB1505029A (fr)
GR (1)	GR60430B (fr)
HK (2)	HK30081A (fr)
HU (2)	HU177367B (fr)
IE (1)	IE42789B1 (fr)
IN (1)	IN144978B (fr)
IT (1)	IT1065604B (fr)
LU (1)	LU75380A1 (fr)
MX (1)	MX3627E (fr)
MY (2)	MY8100265A (fr)
NL (2)	NL166260C (fr)
NO (3)	NO145952C (fr)
PH (2)	PH13217A (fr)
PL (3)	PL110241B1 (fr)
PT (1)	PT65357B (fr)
RO (1)	RO71275B (fr)
SE (3)	SE426592B (fr)
SU (2)	SU942596A3 (fr)
TR (1)	TR19310A (fr)
YU (2)	YU39355B (fr)
ZA (1)	ZA763902B (fr)

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 (fr) *	1976-08-02	1981-02-17	Thomas M. Brennan	Preparation de gamma-pyrones

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE225446C (fr) *
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 (fr) *	1968-10-12	1976-12-04
JPS5212166A (en) *	1975-07-17	1977-01-29	Tatsuya Shono	Process for preparation of 4-pyron derivatives

1976
- 1976-04-01 IE IE685/76A patent/IE42789B1/en unknown
- 1976-06-24 SE SE7607321A patent/SE426592B/xx unknown
- 1976-06-28 GR GR51133A patent/GR60430B/el unknown
- 1976-06-29 CA CA255,993A patent/CA1077501A/fr not_active Expired
- 1976-06-29 IN IN1155/CAL/76A patent/IN144978B/en unknown
- 1976-06-30 YU YU1604/76A patent/YU39355B/xx unknown
- 1976-06-30 ZA ZA763902A patent/ZA763902B/xx unknown
- 1976-07-01 PH PH18639A patent/PH13217A/en unknown
- 1976-07-07 MX MX761180U patent/MX3627E/es unknown
- 1976-07-09 FR FR7621102A patent/FR2322146A1/fr active Granted
- 1976-07-09 DE DE2630837A patent/DE2630837C3/de not_active Expired
- 1976-07-09 BE BE1007496A patent/BE843953A/fr not_active IP Right Cessation
- 1976-07-12 BR BR7604541A patent/BR7604541A/pt unknown
- 1976-07-12 PT PT65357A patent/PT65357B/pt unknown
- 1976-07-13 JP JP51083428A patent/JPS5231077A/ja active Pending
- 1976-07-13 FI FI762039A patent/FI71316C/fi not_active IP Right Cessation
- 1976-07-13 NL NL7607730.A patent/NL166260C/xx not_active IP Right Cessation
- 1976-07-13 DD DD7600200675A patent/DD131857A5/xx unknown
- 1976-07-13 NO NO762449A patent/NO145952C/no unknown
- 1976-07-13 DK DK315576A patent/DK148020C/da not_active IP Right Cessation
- 1976-07-13 DD DD193825A patent/DD127201A5/xx unknown
- 1976-07-14 IT IT50417/76A patent/IT1065604B/it active
- 1976-07-14 AR AR263946A patent/AR214976A1/es active
- 1976-07-14 AT AT517276A patent/AT347455B/de not_active IP Right Cessation
- 1976-07-14 LU LU75380A patent/LU75380A1/xx unknown
- 1976-07-14 CH CH905076A patent/CH620917A5/fr not_active IP Right Cessation
- 1976-07-19 ES ES449938A patent/ES449938A1/es not_active Expired
- 1976-07-20 BG BG033793A patent/BG27373A3/xx unknown
- 1976-07-21 GB GB43608/76A patent/GB1505029A/en not_active Expired
- 1976-07-21 GB GB30470/76A patent/GB1505028A/en not_active Expired
- 1976-07-23 RO RO87075A patent/RO71275B/ro unknown
- 1976-07-23 HU HU76PI532A patent/HU177367B/hu unknown
- 1976-07-23 HU HU81127A patent/HU187762B/hu unknown
- 1976-07-23 CS CS764886A patent/CS193557B2/cs unknown
- 1976-07-23 CS CS776588A patent/CS193595B2/cs unknown
- 1976-07-24 PL PL1976210756A patent/PL110241B1/pl unknown
- 1976-07-24 PL PL1976210755A patent/PL110369B1/pl unknown
- 1976-07-24 PL PL1976191419A patent/PL104612B1/pl unknown
- 1976-08-27 SU SU762391501A patent/SU942596A3/ru active
1977
- 1977-03-18 AR AR266904A patent/AR215618A1/es active
- 1977-08-01 ES ES461253A patent/ES461253A1/es not_active Expired
- 1977-08-01 ES ES461252A patent/ES461252A1/es not_active Expired
- 1977-08-04 PH PH20075A patent/PH14410A/en unknown
- 1977-08-30 SU SU772514858A patent/SU1169540A3/ru active
1978
- 1978-08-08 TR TR19310A patent/TR19310A/xx unknown
1979
- 1979-12-21 SE SE7910630A patent/SE433078B/sv unknown
- 1979-12-21 SE SE7910631A patent/SE432929B/sv unknown
1980
- 1980-09-02 NL NL8004974A patent/NL8004974A/nl active Search and Examination
- 1980-12-17 NO NO803831A patent/NO147245C/no unknown
- 1980-12-17 NO NO803832A patent/NO146572C/no unknown
1981
- 1981-07-02 HK HK300/81A patent/HK30081A/xx unknown
- 1981-07-02 HK HK299/81A patent/HK29981A/xx unknown
- 1981-12-30 MY MY265/81A patent/MY8100265A/xx unknown
- 1981-12-30 MY MY273/81A patent/MY8100273A/xx unknown
1982
- 1982-05-17 YU YU1031/82A patent/YU39577B/xx unknown

Also Published As

Publication number	Publication date
AU1578376A (en)	1978-01-12
FI71316C (fi)	1986-12-19
SE7607321L (sv)	1977-03-01
YU39355B (en)	1984-10-31
JPS5231077A (en)	1977-03-09
NO803832L (no)	1977-03-01
NL8004974A (nl)	1980-11-28
ES449938A1 (es)	1978-03-16
PL110369B1 (en)	1980-07-31
PH13217A (en)	1980-02-07
IN144978B (fr)	1978-08-05
FI762039A (fr)	1977-03-01
GR60430B (en)	1978-05-26
FR2322146B1 (fr)	1978-10-20
PH14410A (en)	1981-06-25
DE2630837C3 (de)	1981-07-09
HK29981A (en)	1981-07-10
MY8100273A (en)	1981-12-31
HU177367B (en)	1981-09-28
DK148020C (da)	1985-10-07
AT347455B (de)	1978-12-27
GB1505028A (en)	1978-03-22
SE433078B (sv)	1984-05-07
NO762449L (fr)	1977-03-01
GB1505029A (en)	1978-03-22
PT65357B (en)	1978-01-09
NO147245B (no)	1982-11-22
DK148020B (da)	1985-02-04
NO145952B (no)	1982-03-22
TR19310A (tr)	1978-11-28
ES461252A1 (es)	1978-08-16
NO146572C (no)	1982-10-27
SE7910630L (sv)	1979-12-21
YU103182A (en)	1982-08-31
BR7604541A (pt)	1977-08-02
MX3627E (es)	1981-04-03
PT65357A (en)	1976-07-31
FR2322146A1 (fr)	1977-03-25
CS193595B2 (en)	1979-10-31
AR214976A1 (es)	1979-08-31
IT1065604B (it)	1985-03-04
IE42789L (en)	1977-02-28
NL7607730A (nl)	1977-03-02
PL110241B1 (en)	1980-07-31
SE7910631L (sv)	1979-12-21
DK315576A (da)	1976-02-29
LU75380A1 (fr)	1977-04-04
FI71316B (fi)	1986-09-09
BG27373A3 (en)	1979-10-12
BE843953A (fr)	1977-01-10
NO145952C (no)	1982-06-30
NO146572B (no)	1982-07-19
NO803831L (no)	1977-03-01
NL166260C (nl)	1981-07-15
AR215618A1 (es)	1979-10-31
IE42789B1 (en)	1980-10-22
YU39577B (en)	1984-12-31
CH620917A5 (en)	1980-12-31
RO71275B (ro)	1984-03-31
HU187762B (en)	1986-02-28
SU942596A3 (ru)	1982-07-07
PL104612B1 (pl)	1979-08-31
NL166260B (nl)	1981-02-16
CA1077501A (fr)	1980-05-13
CS193557B2 (en)	1979-10-31
SU1169540A3 (ru)	1985-07-23
YU160476A (en)	1982-08-31
DE2630837B2 (de)	1980-08-21
MY8100265A (en)	1981-12-31
DE2630837A1 (de)	1977-03-03
DD131857A5 (de)	1978-07-26
ZA763902B (en)	1977-05-25
ES461253A1 (es)	1978-08-16
DD127201A5 (fr)	1977-09-14
NO147245C (no)	1983-03-02
ATA517276A (de)	1978-05-15
SE432929B (sv)	1984-04-30
HK30081A (en)	1981-07-10
SE426592B (sv)	1983-01-31

Publication	Publication Date	Title
RO74936A (fr)	1980-10-30	Procede pour la preparation des mercaptoazetidiones
FR2325668A1 (fr)	1977-04-22	Procede pour la preparation de polyurethannes
RO70525A (fr)	1981-09-24	Procede de preparation des biphenyloxy-derives
RO65454A (fr)	1980-01-15	Procede pour la preparation des calcones substituees
RO69608A (fr)	1982-07-06	Procede pour la preparation des 1,2-benzisothiazole-3-ones
RO70854A (fr)	1981-06-26	Procede pour la preparation des metha-aryloxybenzaldehydes
RO70581A (fr)	1982-05-10	Procede de preparation des amidoxymes
RO70893A (fr)	1983-08-03	Procede pour la preparation des azines
RO70566A (fr)	1982-10-11	Procede pour la preparation des 1-(benzazolylalkyle)-pyperidines
RO70079A (fr)	1982-10-26	Procede pour la preparation des n-aryle-n-(4-pyperidinyle)-arylacetamides
BE842584A (fr)	1976-12-06	Procede pour la preparation de dihalogenures gemines
RO70462A (fr)	1981-01-30	Procede pour la preparation des 3-halomethylcephem
RO71572A (fr)	1982-07-06	Procede pour la preparation des oxycarbamates n-sulphenyles
RO71066A (fr)	1982-10-26	Procede pour la preparation des 2-chlorsulfinylazetidin-4-ones
RO63021A (fr)	1978-05-15	Procede pour la preparation des 3-fluorcephalosporines
PT64718B (fr)	1977-06-03	Procede pour la preparation de phenyalcoylamines
RO72900A (fr)	1981-11-04	Procede pour la preparation des cis-4a-phenyloctahydro-1h-2-pyrindines
RO64281A (fr)	1979-07-15	Procede pour la preparation des 6-methyle-8-methylergolines substituees
RO76667A (fr)	1981-04-30	Procede pour la preparation des 2,4-dialkyamino-6-chlore-5-triazines
RO72831A (fr)	1983-08-03	Procede pour la preparation des fenilpyperazines
RO72558A (fr)	1982-09-09	Procede pour la preparation des cycloalcanpyrazoles
RO70232A (fr)	1982-04-12	Procede pour la preparation des 4-pyrazolile-4h-1,2,4-triazolile
RO72510A (fr)	1982-09-09	Procede de preparation des phenylpyrazines
FR2296628A1 (fr)	1976-07-30	Procede pour la preparation de chloroamino-s-triazines
FR2348174A1 (fr)	1977-11-10	Procede pour la preparation de dihalogenures gemines