CN104781248B - 用于制备环状二酯尤其是丙交酯的方法 - Google Patents

用于制备环状二酯尤其是丙交酯的方法 Download PDF

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Publication number
CN104781248B
CN104781248B CN201380055877.4A CN201380055877A CN104781248B CN 104781248 B CN104781248 B CN 104781248B CN 201380055877 A CN201380055877 A CN 201380055877A CN 104781248 B CN104781248 B CN 104781248B
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formula
carried out
configuration
mixture
general formula
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Chinese (zh)
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CN104781248A (zh
Inventor
卡斯帕·帕兹
乌多·米尔鲍尔
哈比卜·德劳奇
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Wood-Yi Wenda-Fisetin Co Ltd
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Wood-Yi Wenda-Fisetin Co Ltd
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    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
CN201380055877.4A 2012-10-26 2013-10-23 用于制备环状二酯尤其是丙交酯的方法 Active CN104781248B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12190199.5 2012-10-26
EP12190199.5A EP2725019B1 (de) 2012-10-26 2012-10-26 Verfahren zur Herstellung cyclischer Diester, insbesondere Dilactid
PCT/EP2013/072188 WO2014064160A1 (de) 2012-10-26 2013-10-23 Verfahren zur herstellung cyclischer diester, insbesondere dilactid

Publications (2)

Publication Number Publication Date
CN104781248A CN104781248A (zh) 2015-07-15
CN104781248B true CN104781248B (zh) 2017-09-12

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CN201380055877.4A Active CN104781248B (zh) 2012-10-26 2013-10-23 用于制备环状二酯尤其是丙交酯的方法

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US (1) US9428484B2 (enExample)
EP (1) EP2725019B1 (enExample)
KR (1) KR101892580B1 (enExample)
CN (1) CN104781248B (enExample)
BR (1) BR112015009181B1 (enExample)
EA (1) EA027033B1 (enExample)
ES (1) ES2536294T3 (enExample)
IN (1) IN2015DN02895A (enExample)
MX (1) MX361328B (enExample)
WO (1) WO2014064160A1 (enExample)
ZA (1) ZA201501651B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2840390A1 (de) * 2013-08-19 2015-02-25 Mettler-Toledo AG Coulometrische Titrationszelle
EP3130154B1 (en) * 2014-04-11 2019-03-27 Telefonaktiebolaget LM Ericsson (publ) Controlling time division duplex operation
EP3130911A1 (en) * 2015-08-10 2017-02-15 PURAC Biochem BV Quantification method of meso-lactide in a lactide-containing composition
EP4613742A1 (en) * 2024-03-07 2025-09-10 Sulzer Management AG A method and plant for preparing a crude lactide composition using a lactide synthesis reactor comprising a distillation column and a loop reactor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101434594A (zh) * 2008-12-19 2009-05-20 河北科技大学 混合溶剂法制备丙交酯的方法
CN101903370A (zh) * 2007-12-19 2010-12-01 富特罗股份有限公司 获得丙交酯的方法
CN101906041A (zh) * 2010-08-23 2010-12-08 孝感市易生新材料有限公司 二步法生产高含量和高光学纯度乳酸戊酯的方法
WO2011104728A1 (en) * 2010-02-26 2011-09-01 Council Of Scientific & Industrial Research Improved process for the preparation of l-lactide of high chemical yield and optical purity

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Publication number Priority date Publication date Assignee Title
US2526554A (en) 1947-07-28 1950-10-17 Goodrich Co B F Preparation of beta-hydroxy carboxylic acid esters by alcoholysis of linear polyesters derived from beta-lactones
US5229528A (en) 1991-11-22 1993-07-20 E. I. Du Pont De Nemours And Company Rapid depolymerization of polyhydroxy acids
DE69334330D1 (de) 1992-01-24 2010-06-17 Cargill Inc Kontinuierliches Verfahren zur Herstellung von Lactid und Lactid Polymeren
US5420304A (en) * 1992-03-19 1995-05-30 Biopak Technology, Ltd. Method to produce cyclic esters
EP0628533A1 (en) 1993-06-07 1994-12-14 E.I. Du Pont De Nemours And Company Recovery of hydroxy acids from trash
JPH07165753A (ja) 1993-12-08 1995-06-27 Musashino Kagaku Kenkyusho:Kk ラクチドの精製方法
JP3503127B2 (ja) 1995-09-14 2004-03-02 トヨタ自動車株式会社 高分子量ポリ乳酸からのラクチド回収方法
US6229046B1 (en) 1997-10-14 2001-05-08 Cargill, Incorported Lactic acid processing methods arrangements and products
DE10020898B4 (de) 2000-04-20 2004-02-05 Inventa-Fischer Gmbh Verfahren zur Herstellung von Polymilchsäure und Vorrichtung hierzu
SI1694626T1 (sl) 2003-12-10 2008-02-29 Tate & Lyle Plc Postopek ciscenja laktida
JP4517069B2 (ja) 2004-04-30 2010-08-04 国立大学法人九州工業大学 ポリ乳酸又はその誘導体からラクチドを回収する方法
JP2009249508A (ja) 2008-04-07 2009-10-29 Kyushu Institute Of Technology ポリ乳酸製品の効率的オリゴマー化方法
US8394583B2 (en) 2008-07-24 2013-03-12 The Board Of Regents Of The University Of Texas System VH4 codon signature for multiple sclerosis
BE1018716A3 (fr) 2009-04-14 2011-07-05 Galactic Sa Recyclage chimique du pla par hydrolyse.
BE1019608A3 (fr) 2009-04-14 2012-09-04 Galactic Sa Recyclage chimique du pla par alcoolyse.
BE1018882A3 (fr) 2009-09-10 2011-10-04 Galactic Sa Procede de recyclage stereospecifique d'un melange de polymeres a base de pla.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101903370A (zh) * 2007-12-19 2010-12-01 富特罗股份有限公司 获得丙交酯的方法
CN101434594A (zh) * 2008-12-19 2009-05-20 河北科技大学 混合溶剂法制备丙交酯的方法
WO2011104728A1 (en) * 2010-02-26 2011-09-01 Council Of Scientific & Industrial Research Improved process for the preparation of l-lactide of high chemical yield and optical purity
CN101906041A (zh) * 2010-08-23 2010-12-08 孝感市易生新材料有限公司 二步法生产高含量和高光学纯度乳酸戊酯的方法

Also Published As

Publication number Publication date
MX2015005066A (es) 2015-07-17
US9428484B2 (en) 2016-08-30
KR20150074159A (ko) 2015-07-01
MX361328B (es) 2018-11-16
BR112015009181A2 (pt) 2017-07-04
ZA201501651B (en) 2015-12-23
WO2014064160A1 (de) 2014-05-01
EA027033B1 (ru) 2017-06-30
EP2725019A1 (de) 2014-04-30
KR101892580B1 (ko) 2018-08-29
US20150266849A1 (en) 2015-09-24
EA201590366A1 (ru) 2015-08-31
BR112015009181B1 (pt) 2020-10-27
ES2536294T3 (es) 2015-05-22
CN104781248A (zh) 2015-07-15
EP2725019B1 (de) 2015-04-08
IN2015DN02895A (enExample) 2015-09-11

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