HUT64530A - Method for producing alkyl esters of tetronic acid - Google Patents

Method for producing alkyl esters of tetronic acid

Info

Publication number
HUT64530A
HUT64530A HU9301717A HU9301717A HUT64530A HU T64530 A HUT64530 A HU T64530A HU 9301717 A HU9301717 A HU 9301717A HU 9301717 A HU9301717 A HU 9301717A HU T64530 A HUT64530 A HU T64530A
Authority
HU
Hungary
Prior art keywords
alkyl esters
general formula
acid alkyl
tetronic acid
image
Prior art date
Application number
HU9301717A
Other languages
English (en)
Other versions
HU213832B (en
HU9301717D0 (en
Inventor
Joachim Lenzner
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.)
Filing date
Publication date
Application filed by Lonza Ag filed Critical Lonza Ag
Publication of HU9301717D0 publication Critical patent/HU9301717D0/hu
Publication of HUT64530A publication Critical patent/HUT64530A/hu
Publication of HU213832B publication Critical patent/HU213832B/hu

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
    • C07D307/34—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
HU9301717A 1992-06-11 1993-06-11 Method for producing alkyl esters of tetronic acid HU213832B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
HU9301717D0 HU9301717D0 (en) 1993-09-28
HUT64530A true HUT64530A (en) 1994-01-28
HU213832B HU213832B (en) 1997-10-28

Family

ID=4219984

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9301717A HU213832B (en) 1992-06-11 1993-06-11 Method for producing alkyl esters of tetronic acid

Country Status (17)

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

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
CH668423A5 (de) * 1986-06-19 1988-12-30 Lonza Ag Verfahren zur herstellung von 4-alkoxy-3-pyrrolin-2-onen.
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
DE59006113D1 (de) * 1989-07-20 1994-07-21 Lonza Ag Verfahren zur Herstellung von Tetronsäurealkylestern.

Also Published As

Publication number Publication date
DK0573999T3 (da) 1998-10-26
KR940000451A (ko) 1994-01-03
IL105938A0 (en) 1993-10-20
US5310947A (en) 1994-05-10
PL299256A1 (en) 1993-12-13
DE59308915D1 (de) 1998-10-01
EP0573999A1 (de) 1993-12-15
JP3166017B2 (ja) 2001-05-14
AU3999493A (en) 1993-12-16
FI932697A0 (fi) 1993-06-11
CN1083482A (zh) 1994-03-09
PL173073B1 (pl) 1998-01-30
HU213832B (en) 1997-10-28
FI932697A (fi) 1993-12-12
FI106124B (fi) 2000-11-30
JPH0656813A (ja) 1994-03-01
SK59893A3 (en) 1994-02-02
CN1043346C (zh) 1999-05-12
CA2092347A1 (en) 1993-12-12
AU666729B2 (en) 1996-02-22
IL105938A (en) 1997-04-15
ATE170181T1 (de) 1998-09-15
CZ112993A3 (en) 1994-01-19
CZ282943B6 (cs) 1997-11-12
HU9301717D0 (en) 1993-09-28
ES2119835T3 (es) 1998-10-16
EP0573999B1 (de) 1998-08-26
SK280170B6 (sk) 1999-09-10

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Legal Events

Date Code Title Description
HMM4 Cancellation of final prot. due to non-payment of fee