TW375613B - Purification of phthalide - Google Patents

Purification of phthalide

Info

Publication number
TW375613B
TW375613B TW086108765A TW86108765A TW375613B TW 375613 B TW375613 B TW 375613B TW 086108765 A TW086108765 A TW 086108765A TW 86108765 A TW86108765 A TW 86108765A TW 375613 B TW375613 B TW 375613B
Authority
TW
Taiwan
Prior art keywords
phthalide
purification
contaminated
purifying
purified
Prior art date
Application number
TW086108765A
Other languages
English (en)
Inventor
Wolfgang Reif
Klemens Massonne
Horst Neuhauser
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of TW375613B publication Critical patent/TW375613B/zh

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
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
  • Cephalosporin Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
TW086108765A 1996-06-27 1997-06-23 Purification of phthalide TW375613B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19625693A DE19625693A1 (de) 1996-06-27 1996-06-27 Verfahren zur Reinigung von Phthalid

Publications (1)

Publication Number Publication Date
TW375613B true TW375613B (en) 1999-12-01

Family

ID=7798141

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086108765A TW375613B (en) 1996-06-27 1997-06-23 Purification of phthalide

Country Status (10)

Country Link
US (1) US5969162A (zh)
EP (1) EP0907645B1 (zh)
JP (1) JP2000513366A (zh)
KR (1) KR100451600B1 (zh)
CN (1) CN1097589C (zh)
AT (1) ATE213238T1 (zh)
DE (2) DE19625693A1 (zh)
ES (1) ES2172792T3 (zh)
TW (1) TW375613B (zh)
WO (1) WO1998000417A1 (zh)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2720929A1 (de) * 1977-05-10 1978-11-16 Dynamit Nobel Ag Verfahren zur herstellung von phthalid
DE2803319C2 (de) * 1978-01-26 1986-11-13 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Phthalid
DE3245544A1 (de) * 1982-12-09 1984-06-14 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur reinigung von phthalid

Also Published As

Publication number Publication date
US5969162A (en) 1999-10-19
DE59706392D1 (de) 2002-03-21
JP2000513366A (ja) 2000-10-10
ES2172792T3 (es) 2002-10-01
DE19625693A1 (de) 1998-01-02
CN1223646A (zh) 1999-07-21
KR20000022228A (ko) 2000-04-25
CN1097589C (zh) 2003-01-01
WO1998000417A1 (de) 1998-01-08
EP0907645B1 (de) 2002-02-13
KR100451600B1 (ko) 2004-12-16
EP0907645A1 (de) 1999-04-14
ATE213238T1 (de) 2002-02-15

Similar Documents

Publication Publication Date Title
ES2101421T3 (es) Amidas de acidos carboxilicos heterociclicos sustituidos, su preparacion y su utilizacion como medicamentos.
FR2701707B1 (fr) Procede pour la purification de lactide.
BE863227A (fr) Procede de purification d'eaux fluorees, notamment d'eaux residuaires fluorees
MY116928A (en) Purification of crude acrylic acid by crystallization
FI98067C (fi) Uusia alkyleenidiammoniumdiklavulanaattijohdannaisia, menetelmä niidenvalmistamiseksi samoin kuin niiden käyttö kalvulaanihapon puhdistamiseksi
ES2090840T3 (es) Procedimiento de purificacion de un hidrofluoroalcano.
EP0230053A3 (en) 7-(substituted)piperazinyl-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids
DE69505583D1 (de) Ein Membranverfahren und Destillation kombinierendes Verfahren zur Reinigung von Ethyl-Tert-Butylether
SG50646A1 (en) Purification of crude(meth) acrylic acid
ATE215968T1 (de) Verfahren zur reinigung von thrombomodulin
DE69300901D1 (de) Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan.
TW375613B (en) Purification of phthalide
EP0720618A4 (en) METHOD FOR CLEANING "BASIC" FIBROBLAST GROWTH FACTOR
AU4572293A (en) Process for purifying sludge containing mainly water
MY133065A (en) Process for the purification of maleic anhydride
DE69411492D1 (de) Verfahren zur Reinigung von mittleren Olefinen
DE69505347D1 (de) Verfahren zum Reinigen von alpha,beta-ungesättigten Estern
BG98888A (en) Method for the preparation of 3-acylestratrienes and acylbezenes
ATE302178T1 (de) Verfahren zur herstellung von spezifikationsgerechtem phthalsäureanhydrid
DE69405185D1 (de) Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan
DE3667278D1 (de) Gesaettigte cycloalkyl(b)pyrrol -1(2h)essigsaeureamide und deren derivate.
DE69300712D1 (de) Verfahren zur Reinigung von L-Phenylalanin.
NO943008D0 (no) Renseblanding for gallegangen, samt fremgangsmåte for rensing av gallegangen
FR2702493B1 (fr) Procédé pour convertir de la Céphalosporine C en acide glutaryl-7-aminocéphalosporanique.
FR2744035B1 (fr) Procede de depollution des eaux usees industrielles