FI932697A0 - Foerfarande foer framstaellning av tetronsyraalkylestrar - Google Patents

Foerfarande foer framstaellning av tetronsyraalkylestrar

Info

Publication number
FI932697A0
FI932697A0 FI932697A FI932697A FI932697A0 FI 932697 A0 FI932697 A0 FI 932697A0 FI 932697 A FI932697 A FI 932697A FI 932697 A FI932697 A FI 932697A FI 932697 A0 FI932697 A0 FI 932697A0
Authority
FI
Finland
Prior art keywords
general formula
acid alkyl
tetronsyraalkylestrar
image
alkyl esters
Prior art date
Application number
FI932697A
Other languages
English (en)
Other versions
FI932697A (fi
FI106124B (fi
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 FI932697A0 publication Critical patent/FI932697A0/fi
Publication of FI932697A publication Critical patent/FI932697A/fi
Application granted granted Critical
Publication of FI106124B publication Critical patent/FI106124B/fi

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Wire Bonding (AREA)
  • Furan Compounds (AREA)
FI932697A 1992-06-11 1993-06-11 Menetelmä tetronihappoalkyyliesterien valmistamiseksi FI106124B (fi)

Applications Claiming Priority (2)

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

Publications (3)

Publication Number Publication Date
FI932697A0 true FI932697A0 (fi) 1993-06-11
FI932697A FI932697A (fi) 1993-12-12
FI106124B FI106124B (fi) 2000-11-30

Family

ID=4219984

Family Applications (1)

Application Number Title Priority Date Filing Date
FI932697A FI106124B (fi) 1992-06-11 1993-06-11 Menetelmä tetronihappoalkyyliesterien valmistamiseksi

Country Status (17)

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

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.
EP0409147B1 (de) * 1989-07-20 1994-06-15 Lonza Ag Verfahren zur Herstellung von Tetronsäurealkylestern

Also Published As

Publication number Publication date
ES2119835T3 (es) 1998-10-16
FI932697A (fi) 1993-12-12
CN1043346C (zh) 1999-05-12
IL105938A0 (en) 1993-10-20
CA2092347A1 (en) 1993-12-12
JP3166017B2 (ja) 2001-05-14
PL173073B1 (pl) 1998-01-30
AU666729B2 (en) 1996-02-22
CZ282943B6 (cs) 1997-11-12
KR940000451A (ko) 1994-01-03
EP0573999B1 (de) 1998-08-26
CZ112993A3 (en) 1994-01-19
DK0573999T3 (da) 1998-10-26
PL299256A1 (en) 1993-12-13
CN1083482A (zh) 1994-03-09
EP0573999A1 (de) 1993-12-15
US5310947A (en) 1994-05-10
HU9301717D0 (en) 1993-09-28
HUT64530A (en) 1994-01-28
JPH0656813A (ja) 1994-03-01
FI106124B (fi) 2000-11-30
AU3999493A (en) 1993-12-16
SK59893A3 (en) 1994-02-02
HU213832B (en) 1997-10-28
SK280170B6 (sk) 1999-09-10
DE59308915D1 (de) 1998-10-01
ATE170181T1 (de) 1998-09-15
IL105938A (en) 1997-04-15

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