IL151676A0 - Method for purifying cyclic esters - Google Patents

Method for purifying cyclic esters

Info

Publication number
IL151676A0
IL151676A0 IL15167601A IL15167601A IL151676A0 IL 151676 A0 IL151676 A0 IL 151676A0 IL 15167601 A IL15167601 A IL 15167601A IL 15167601 A IL15167601 A IL 15167601A IL 151676 A0 IL151676 A0 IL 151676A0
Authority
IL
Israel
Prior art keywords
lactide
impurities
crystals
crude
separation
Prior art date
Application number
IL15167601A
Other languages
English (en)
Original Assignee
Brussels Biotech
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 Brussels Biotech filed Critical Brussels Biotech
Publication of IL151676A0 publication Critical patent/IL151676A0/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
    • C07D319/12—1,4-Dioxanes; Hydrogenated 1,4-dioxanes not condensed with other rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Epoxy Compounds (AREA)
IL15167601A 2000-03-23 2001-03-22 Method for purifying cyclic esters IL151676A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00870052A EP1136480A1 (fr) 2000-03-23 2000-03-23 Procedé de purification d'esters cycliques
PCT/BE2001/000047 WO2001070721A1 (fr) 2000-03-23 2001-03-22 Procede de purificaction d'esters cycliques

Publications (1)

Publication Number Publication Date
IL151676A0 true IL151676A0 (en) 2003-04-10

Family

ID=8175721

Family Applications (1)

Application Number Title Priority Date Filing Date
IL15167601A IL151676A0 (en) 2000-03-23 2001-03-22 Method for purifying cyclic esters

Country Status (18)

Country Link
US (1) US6800767B2 (xx)
EP (2) EP1136480A1 (xx)
JP (1) JP4959899B2 (xx)
KR (1) KR20030069792A (xx)
CN (1) CN1257165C (xx)
AT (1) ATE297388T1 (xx)
AU (1) AU4212201A (xx)
BR (1) BR0109453A (xx)
CA (1) CA2403426A1 (xx)
CZ (1) CZ20023060A3 (xx)
DE (1) DE60111371T2 (xx)
ES (1) ES2243463T3 (xx)
HU (1) HUP0400853A2 (xx)
IL (1) IL151676A0 (xx)
NO (1) NO20024340L (xx)
PL (1) PL359284A1 (xx)
SK (1) SK13442002A3 (xx)
WO (1) WO2001070721A1 (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1015060A3 (fr) 2002-08-06 2004-09-07 Brussels Biotech Nv Sa Procede de production de polylactide au depart d'une solution d'acide lactique ou d'un de ses derives.
US20100113806A1 (en) * 2006-12-13 2010-05-06 Wajc Samuel J Production of cyclic diesters of alpha-hydroxyacids
EP2031009A1 (de) 2007-09-03 2009-03-04 Uhde Inventa-Fischer GmbH Reinigungsvorrichtung zur Abtrennung von Dilactid aus Stoffgemischen, Polymerisationsvorrichtung, Verfahren zur Abtrennung von Dilactid aus Stoffgemischen sowie Verwendung
AT506038B1 (de) * 2007-11-14 2015-02-15 Jungbunzlauer Austria Ag Verfahren zur herstellung zyklischer diester von l-, d- und d,l-milchsäure
AT506040B1 (de) * 2007-11-14 2012-03-15 Jungbunzlauer Austria Ag Partikuläre katalysator- und katalysator/stabilisator-systeme zur herstellung hochmolekularer homo- und copolyester von l-, d- oder d,l-milchsäure
AT506768B1 (de) 2008-04-16 2013-10-15 Jungbunzlauer Austria Ag Verfahren zur reinigung zyklischer diester der l- bzw. d-milchsäure
EP2133346A1 (fr) * 2008-06-12 2009-12-16 Ktanton Ltd Procédé pour la fabrication d'un diester cyclique d'un acide alpha-hydroxylé
CN103145691A (zh) * 2013-04-03 2013-06-12 天津科技大学 高纯l-丙交酯耦合精制方法
KR101809663B1 (ko) 2013-11-25 2017-12-15 한국화학연구원 알킬 프로피오네이트와 물 혼합용매를 이용한 광학순도가 향상된 락타이드의 제조방법
CN103819690B (zh) * 2014-02-18 2016-02-10 上海交通大学 降解消除法制备高结晶度聚乳酸的工艺
EP3587409B8 (en) 2014-05-30 2022-07-13 Translate Bio, Inc. Biodegradable lipids for delivery of nucleic acids
CN105646440B (zh) * 2014-12-05 2018-06-15 中国石油化工股份有限公司 一种丙交酯的精制纯化方法
CN105440011A (zh) * 2015-12-17 2016-03-30 常州大学 一种快速提纯久置环酯的方法
CN114507209A (zh) * 2020-10-28 2022-05-17 中国石油化工股份有限公司 一种高收率高纯度丙交酯的提纯方法
CN114478471B (zh) * 2022-02-10 2024-01-09 普立思生物科技有限公司 一种丙交酯纯化系统及纯化工艺
CN117903105A (zh) * 2022-10-12 2024-04-19 中国石油化工股份有限公司 一种乙交酯的提纯方法、乙交酯及应用

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2115472C (en) * 1993-02-17 2002-08-13 William George O'brien Melt crystallization purification of lactides
JPH07165753A (ja) * 1993-12-08 1995-06-27 Musashino Kagaku Kenkyusho:Kk ラクチドの精製方法
BE1011197A3 (fr) * 1997-06-06 1999-06-01 Brussels Biotech En Abrege Bb Procede de purification d'acide lactique.

Also Published As

Publication number Publication date
EP1276735A1 (fr) 2003-01-22
AU4212201A (en) 2001-10-03
NO20024340L (no) 2002-10-20
KR20030069792A (ko) 2003-08-27
PL359284A1 (en) 2004-08-23
WO2001070721A1 (fr) 2001-09-27
EP1276735B1 (fr) 2005-06-08
CZ20023060A3 (cs) 2003-02-12
DE60111371T2 (de) 2006-05-18
CA2403426A1 (fr) 2001-09-27
CN1452618A (zh) 2003-10-29
EP1136480A1 (fr) 2001-09-26
SK13442002A3 (sk) 2003-03-04
DE60111371D1 (de) 2005-07-14
ES2243463T3 (es) 2005-12-01
JP2003528094A (ja) 2003-09-24
CN1257165C (zh) 2006-05-24
NO20024340D0 (no) 2002-09-11
US20040014991A1 (en) 2004-01-22
BR0109453A (pt) 2003-06-24
JP4959899B2 (ja) 2012-06-27
HUP0400853A2 (hu) 2004-07-28
US6800767B2 (en) 2004-10-05
ATE297388T1 (de) 2005-06-15

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