DK132023B - Fremgangsmåde til fremstilling af 2-hydroxyethylestere af 2-quinoxalincarboxylsyre-1,4-dioxider ved transesterificering af en tilsvarende 2-alkylester med ethylenglycol i nærvær af en basisk katalysator. - Google Patents

Fremgangsmåde til fremstilling af 2-hydroxyethylestere af 2-quinoxalincarboxylsyre-1,4-dioxider ved transesterificering af en tilsvarende 2-alkylester med ethylenglycol i nærvær af en basisk katalysator.

Info

Publication number: DK132023B
Authority: DK; Denmark
Prior art keywords: dioxides; transesterification; preparation; carboxylic acid; ethylene glycol
Prior art date: 1971-08-06

Application number

DK385072AA

Other languages

English (en)

Other versions

DK132023C (da

Inventor

R V Kasubick

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.)

1971-08-06

Filing date

1972-08-04

Publication date

1975-10-13

1972-08-04 Application filed by Pfizer filed Critical Pfizer

1975-10-13 Publication of DK132023B publication Critical patent/DK132023B/da

1976-03-08 Application granted granted Critical

1976-03-08 Publication of DK132023C publication Critical patent/DK132023C/da

Links

LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 title 3
WXSUJWYXGUYPCU-UHFFFAOYSA-N 1-oxido-4-oxoquinoxalin-4-ium-2-carboxylic acid Chemical class C1=CC=CC2=[N+]([O-])C(C(=O)O)=C[N+]([O-])=C21 WXSUJWYXGUYPCU-UHFFFAOYSA-N 0.000 title 1
125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 title 1
239000003054 catalyst Substances 0.000 title 1
238000000034 method Methods 0.000 title 1
238000005809 transesterification reaction Methods 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
- C07D241/50—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with hetero atoms directly attached to ring nitrogen atoms
- C07D241/52—Oxygen atoms

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Catalysts (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

DK385072A 1971-08-06 1972-08-04 Fremgangsmade til fremstilling af 2-hydroxyethylestere af 2-quinoxalincarboxylsyre-1,4-dioxider ved transesterificering afen tilsvarende 2-alkylester med ethylenglycol i nerver af en basisk katalysator DK132023C (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US16984471A	1971-08-06	1971-08-06

Publications (2)

Publication Number	Publication Date
DK132023B true DK132023B (da)	1975-10-13
DK132023C DK132023C (da)	1976-03-08

Family

ID=22617426

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK385072A DK132023C (da)	1971-08-06	1972-08-04	Fremgangsmade til fremstilling af 2-hydroxyethylestere af 2-quinoxalincarboxylsyre-1,4-dioxider ved transesterificering afen tilsvarende 2-alkylester med ethylenglycol i nerver af en basisk katalysator

Country Status (20)

Country	Link
US (1)	US3763162A (da)
JP (1)	JPS4826780A (da)
AR (1)	AR193281A1 (da)
AT (1)	AT319951B (da)
AU (1)	AU465485B2 (da)
BE (1)	BE787116A (da)
CA (1)	CA969957A (da)
CH (1)	CH549027A (da)
DE (1)	DE2238208A1 (da)
DK (1)	DK132023C (da)
EG (1)	EG10882A (da)
ES (1)	ES405610A1 (da)
FI (1)	FI54474C (da)
FR (1)	FR2150740B1 (da)
GB (1)	GB1374360A (da)
NL (1)	NL7210705A (da)
NO (1)	NO135986C (da)
SE (1)	SE375529B (da)
TR (1)	TR17259A (da)
ZA (1)	ZA725314B (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3818007A (en) *	1970-03-18	1974-06-18	Pfizer	Hydroxyalkyl esters of quinoxaline-di-n-oxide-2-carboxylic acid
FR2350096A1 (fr)	1976-05-03	1977-12-02	Oreal	Compositions destinees a la coloration de la peau a base de derives de la quinoxaline
IT7869686A0 (it) *	1978-11-24	1978-11-24	Loranze Torino A	Procedimento di preparazione di 2metil 3 bidrossietilcarbamollchinossalina i.4 di n ossido puroed altri composti ad esso simili
EP0707887B1 (en) *	1994-10-18	2000-04-05	Chisso Corporation	Process for producing a solid basic catalyst and a process for producing a carbonyl compound derivative using the same

0
- BE BE787116D patent/BE787116A/xx not_active IP Right Cessation
1971
- 1971-08-06 US US00169844A patent/US3763162A/en not_active Expired - Lifetime
1972
- 1972-04-24 GB GB1898472A patent/GB1374360A/en not_active Expired
- 1972-07-31 FI FI2135/72A patent/FI54474C/fi active
- 1972-08-02 ZA ZA725314A patent/ZA725314B/xx unknown
- 1972-08-02 AU AU45246/72A patent/AU465485B2/en not_active Expired
- 1972-08-03 AT AT670972A patent/AT319951B/de not_active IP Right Cessation
- 1972-08-03 DE DE2238208A patent/DE2238208A1/de active Pending
- 1972-08-04 SE SE7210226A patent/SE375529B/xx unknown
- 1972-08-04 CA CA148,763A patent/CA969957A/en not_active Expired
- 1972-08-04 NL NL7210705A patent/NL7210705A/xx not_active Application Discontinuation
- 1972-08-04 JP JP47077773A patent/JPS4826780A/ja active Pending
- 1972-08-04 CH CH1158572A patent/CH549027A/fr not_active IP Right Cessation
- 1972-08-04 TR TR17259A patent/TR17259A/xx unknown
- 1972-08-04 AR AR243433A patent/AR193281A1/es active
- 1972-08-04 NO NO2787/72A patent/NO135986C/no unknown
- 1972-08-04 FR FR7228319A patent/FR2150740B1/fr not_active Expired
- 1972-08-04 DK DK385072A patent/DK132023C/da not_active IP Right Cessation
- 1972-08-05 EG EG319/72A patent/EG10882A/xx active
- 1972-08-05 ES ES405610A patent/ES405610A1/es not_active Expired

Also Published As

Publication number	Publication date
AU465485B2 (en)	1975-10-02
CA969957A (en)	1975-06-24
AU4524672A (en)	1974-02-07
EG10882A (en)	1976-10-31
US3763162A (en)	1973-10-02
SE375529B (da)	1975-04-21
FR2150740B1 (da)	1976-05-21
NL7210705A (da)	1973-02-08
NO135986B (da)	1977-03-28
FI54474B (fi)	1978-08-31
JPS4826780A (da)	1973-04-09
DE2238208A1 (de)	1973-02-08
BE787116A (fr)	1973-02-05
CH549027A (fr)	1974-05-15
NO135986C (da)	1977-07-06
AT319951B (de)	1975-01-27
AR193281A1 (es)	1973-04-11
ZA725314B (en)	1973-05-30
FR2150740A1 (da)	1973-04-13
TR17259A (tr)	1975-03-24
GB1374360A (en)	1974-11-20
ES405610A1 (es)	1975-07-16
FI54474C (fi)	1978-12-11
DK132023C (da)	1976-03-08

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Legal Events

Date	Code	Title	Description
1987-05-18	PBP	Patent lapsed