IL105938A - Process for preparing tetronic acid alkyl esters - Google Patents

Process for preparing tetronic acid alkyl esters

Info

Publication number: IL105938A
Authority: IL; Israel
Prior art keywords: formula; acid alkyl; alkyl ester; tetronic acid; alkyl esters
Prior art date: 1992-06-11

Application number

IL105938A

Other languages

English (en)

Other versions

IL105938A0 (en

Original Assignee

Lonza Ag

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.)

1992-06-11

Filing date

1993-06-07

Publication date

1997-04-15

1993-06-07 Application filed by Lonza Ag filed Critical Lonza Ag

1993-10-20 Publication of IL105938A0 publication Critical patent/IL105938A0/xx

1997-04-15 Publication of IL105938A publication Critical patent/IL105938A/xx

Links

PGRHXDWITVMQBC-UHFFFAOYSA-N dehydroacetic acid Natural products CC(=O)C1C(=O)OC(C)=CC1=O PGRHXDWITVMQBC-UHFFFAOYSA-N 0.000 title abstract 3
238000004519 manufacturing process Methods 0.000 title abstract 2
239000002253 acid Substances 0.000 abstract 4
125000000217 alkyl group Chemical group 0.000 abstract 3
125000004432 carbon atom Chemical group C* 0.000 abstract 3
101001122448 Rattus norvegicus Nociceptin receptor Proteins 0.000 abstract 2
125000005907 alkyl ester group Chemical group 0.000 abstract 2
150000002148 esters Chemical class 0.000 abstract 2
WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract 1
BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 abstract 1
GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 1
229910052794 bromium Chemical group 0.000 abstract 1
229910052801 chlorine Inorganic materials 0.000 abstract 1
239000000460 chlorine Substances 0.000 abstract 1
125000001309 chloro group Chemical group Cl* 0.000 abstract 1
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 1

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
- C07D307/34—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
- C07D307/38—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 substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/40—Radicals substituted by oxygen 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Furan Compounds (AREA)
Diaphragms For Electromechanical Transducers (AREA)
Wire Bonding (AREA)

IL105938A 1992-06-11 1993-06-07 Process for preparing tetronic acid alkyl esters IL105938A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH184692		1992-06-11

Publications (2)

Publication Number	Publication Date
IL105938A0 IL105938A0 (en)	1993-10-20
IL105938A true IL105938A (en)	1997-04-15

Family

ID=4219984

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL105938A IL105938A (en)	1992-06-11	1993-06-07	Process for preparing tetronic acid alkyl esters

Country Status (17)

Country	Link
US (1)	US5310947A (cs)
EP (1)	EP0573999B1 (cs)
JP (1)	JP3166017B2 (cs)
KR (1)	KR940000451A (cs)
CN (1)	CN1043346C (cs)
AT (1)	ATE170181T1 (cs)
AU (1)	AU666729B2 (cs)
CA (1)	CA2092347A1 (cs)
CZ (1)	CZ282943B6 (cs)
DE (1)	DE59308915D1 (cs)
DK (1)	DK0573999T3 (cs)
ES (1)	ES2119835T3 (cs)
FI (1)	FI106124B (cs)
HU (1)	HU213832B (cs)
IL (1)	IL105938A (cs)
PL (1)	PL173073B1 (cs)
SK (1)	SK280170B6 (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5781081A (en) *	1995-09-01	1998-07-14	Ngk Spark Plug Co., Ltd.	LC-type dielectric filter having an inductor on the outermost layer and frequency adjusting method therefor
CA2211503A1 (en) *	1996-09-04	1998-03-04	Josef Schroer	Process for the preparation of tetronic acid derivatives
JP2001256751A (ja) *	2000-03-13	2001-09-21	Sony Corp	シャッター及びこれを有するディスクカートリッジ
US7373951B2 (en)	2004-09-07	2008-05-20	Fisher Controls International Llc	Control valve having “C” seal
JP5763231B1 (ja)	2014-02-18	2015-08-12	Ｗｈｉｌｌ株式会社	操作装置および電動モビリティ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2845037C2 (de) *	1978-10-16	1980-12-11	Fa. Dr. Willmar Schwabe, 7500 Karlsruhe	Verfahren zur Herstellung von Tetronsäuremethylester
HU195773B (en) *	1985-09-24	1988-07-28	Lonza Ag	Process for preparing alkyl esters of 4-alkoxy-3-pyrrolin-2-on-1-yl-acetic acid
CH668423A5 (de) *	1986-06-19	1988-12-30	Lonza Ag	Verfahren zur herstellung von 4-alkoxy-3-pyrrolin-2-onen.
DE59006113D1 (de) *	1989-07-20	1994-07-21	Lonza Ag	Verfahren zur Herstellung von Tetronsäurealkylestern.

1993
- 1993-06-02 AU AU39994/93A patent/AU666729B2/en not_active Ceased
- 1993-06-05 CN CN93106843A patent/CN1043346C/zh not_active Expired - Fee Related
- 1993-06-07 IL IL105938A patent/IL105938A/xx not_active IP Right Cessation
- 1993-06-07 CA CA002092347A patent/CA2092347A1/en not_active Abandoned
- 1993-06-08 JP JP13732693A patent/JP3166017B2/ja not_active Expired - Fee Related
- 1993-06-08 US US08/072,955 patent/US5310947A/en not_active Expired - Fee Related
- 1993-06-09 AT AT93109318T patent/ATE170181T1/de active
- 1993-06-09 ES ES93109318T patent/ES2119835T3/es not_active Expired - Lifetime
- 1993-06-09 DK DK93109318T patent/DK0573999T3/da active
- 1993-06-09 DE DE59308915T patent/DE59308915D1/de not_active Expired - Fee Related
- 1993-06-09 EP EP93109318A patent/EP0573999B1/de not_active Expired - Lifetime
- 1993-06-09 PL PL93299256A patent/PL173073B1/pl unknown
- 1993-06-10 KR KR1019930010704A patent/KR940000451A/ko not_active Ceased
- 1993-06-10 CZ CZ931129A patent/CZ282943B6/cs not_active IP Right Cessation
- 1993-06-10 SK SK598-93A patent/SK280170B6/sk unknown
- 1993-06-11 HU HU9301717A patent/HU213832B/hu not_active IP Right Cessation
- 1993-06-11 FI FI932697A patent/FI106124B/fi active

Also Published As

Publication number	Publication date
HU213832B (en)	1997-10-28
CN1043346C (zh)	1999-05-12
CZ112993A3 (en)	1994-01-19
CN1083482A (zh)	1994-03-09
DK0573999T3 (da)	1998-10-26
EP0573999B1 (de)	1998-08-26
US5310947A (en)	1994-05-10
EP0573999A1 (de)	1993-12-15
KR940000451A (ko)	1994-01-03
FI932697A0 (fi)	1993-06-11
CA2092347A1 (en)	1993-12-12
PL173073B1 (pl)	1998-01-30
CZ282943B6 (cs)	1997-11-12
AU666729B2 (en)	1996-02-22
ATE170181T1 (de)	1998-09-15
SK280170B6 (sk)	1999-09-10
HU9301717D0 (en)	1993-09-28
PL299256A1 (en)	1993-12-13
HUT64530A (en)	1994-01-28
SK59893A3 (en)	1994-02-02
FI106124B (fi)	2000-11-30
IL105938A0 (en)	1993-10-20
JP3166017B2 (ja)	2001-05-14
JPH0656813A (ja)	1994-03-01
FI932697L (fi)	1993-12-12
ES2119835T3 (es)	1998-10-16
DE59308915D1 (de)	1998-10-01
AU3999493A (en)	1993-12-16

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Legal Events

Date	Code	Title
1997-11-20	FF	Patent granted
1998-04-05	KB	Patent renewed
1999-12-22	KB	Patent renewed
2004-02-19	RH1	Patent not in force