MX361328B - Procedimiento para la produccion de diesteres ciclicos, en particular dilactida. - Google Patents
Procedimiento para la produccion de diesteres ciclicos, en particular dilactida.Info
- Publication number
- MX361328B MX361328B MX2015005066A MX2015005066A MX361328B MX 361328 B MX361328 B MX 361328B MX 2015005066 A MX2015005066 A MX 2015005066A MX 2015005066 A MX2015005066 A MX 2015005066A MX 361328 B MX361328 B MX 361328B
- Authority
- MX
- Mexico
- Prior art keywords
- dilactide
- carboxylic acids
- preparing cyclic
- cyclic diesters
- esters
- Prior art date
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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
La presente invención se refiere a un procedimiento para la producción de ésteres cíclicos de ácido carboxílico, en particular lactonas intramoleculares, tales como, por ejemplo, dilactida, efectuándose la producción de estos ésteres cíclicos a partir de ácidos carboxílicos oligoméricos mediante ciclado de despolimerización. Durante esta reacción, un producto de condensación de estos ácidos carboxílicos oligoméricos se produce como subproducto, es decir una mezcla de ácidos carboxílicos oligoméricos de peso molecular más alto que se hidrolizan en una etapa adicional y, por tanto, se recuperan. Este hidrolizado se puede añadir de nuevo a la despolimerización ciclante que se lleva a cabo en la primera etapa.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 |
---|---|
MX2015005066A MX2015005066A (es) | 2015-07-17 |
MX361328B true MX361328B (es) | 2018-11-16 |
Family
ID=47088724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015005066A MX361328B (es) | 2012-10-26 | 2013-10-23 | Procedimiento para la produccion de diesteres ciclicos, en particular dilactida. |
Country Status (11)
Country | Link |
---|---|
US (1) | US9428484B2 (es) |
EP (1) | EP2725019B1 (es) |
KR (1) | KR101892580B1 (es) |
CN (1) | CN104781248B (es) |
BR (1) | BR112015009181B1 (es) |
EA (1) | EA027033B1 (es) |
ES (1) | ES2536294T3 (es) |
IN (1) | IN2015DN02895A (es) |
MX (1) | MX361328B (es) |
WO (1) | WO2014064160A1 (es) |
ZA (1) | ZA201501651B (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2840390A1 (de) * | 2013-08-19 | 2015-02-25 | Mettler-Toledo AG | Coulometrische Titrationszelle |
US10080071B2 (en) * | 2014-04-11 | 2018-09-18 | 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 |
Family Cites Families (20)
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 |
BR9305788A (pt) | 1992-01-24 | 1997-02-18 | Cargill Inc | Processo continuo para a fabricação de polimeros lactideo com métodos aperfeiçoados de purificação |
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 |
ATE378311T1 (de) | 2003-12-10 | 2007-11-15 | Tate & Lyle Plc | Verfahren zur reiningung von lactid |
CN100475808C (zh) | 2004-04-30 | 2009-04-08 | 国立大学法人九州工业大学 | 从聚乳酸或其衍生物回收交酯的方法 |
EP2072508A1 (fr) | 2007-12-19 | 2009-06-24 | Galactic S.A. | Procédé d'obtention de lactide |
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 |
CN101434594B (zh) | 2008-12-19 | 2012-05-02 | 河北科技大学 | 混合溶剂法制备丙交酯的方法 |
BE1019608A3 (fr) | 2009-04-14 | 2012-09-04 | Galactic Sa | Recyclage chimique du pla par alcoolyse. |
BE1018716A3 (fr) | 2009-04-14 | 2011-07-05 | Galactic Sa | Recyclage chimique du pla par hydrolyse. |
BE1018882A3 (fr) | 2009-09-10 | 2011-10-04 | Galactic Sa | Procede de recyclage stereospecifique d'un melange de polymeres a base de pla. |
EP2539332B1 (en) * | 2010-02-26 | 2014-08-27 | Council Of Scientific & Industrial Research | Improved process for the preparation of l-lactide of high chemical yield and optical purity |
CN101906041B (zh) * | 2010-08-23 | 2013-07-10 | 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 |
-
2012
- 2012-10-26 EP EP12190199.5A patent/EP2725019B1/de active Active
- 2012-10-26 ES ES12190199.5T patent/ES2536294T3/es active Active
-
2013
- 2013-10-23 US US14/435,640 patent/US9428484B2/en active Active
- 2013-10-23 KR KR1020157013580A patent/KR101892580B1/ko active IP Right Grant
- 2013-10-23 CN CN201380055877.4A patent/CN104781248B/zh active Active
- 2013-10-23 WO PCT/EP2013/072188 patent/WO2014064160A1/de active Application Filing
- 2013-10-23 BR BR112015009181-4A patent/BR112015009181B1/pt active IP Right Grant
- 2013-10-23 EA EA201590366A patent/EA027033B1/ru not_active IP Right Cessation
- 2013-10-23 MX MX2015005066A patent/MX361328B/es active IP Right Grant
- 2013-10-23 IN IN2895DEN2015 patent/IN2015DN02895A/en unknown
-
2015
- 2015-03-11 ZA ZA2015/01651A patent/ZA201501651B/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2014064160A1 (de) | 2014-05-01 |
EA027033B1 (ru) | 2017-06-30 |
CN104781248A (zh) | 2015-07-15 |
BR112015009181A2 (pt) | 2017-07-04 |
MX2015005066A (es) | 2015-07-17 |
EA201590366A1 (ru) | 2015-08-31 |
KR20150074159A (ko) | 2015-07-01 |
BR112015009181B1 (pt) | 2020-10-27 |
ES2536294T3 (es) | 2015-05-22 |
EP2725019B1 (de) | 2015-04-08 |
CN104781248B (zh) | 2017-09-12 |
EP2725019A1 (de) | 2014-04-30 |
ZA201501651B (en) | 2015-12-23 |
US9428484B2 (en) | 2016-08-30 |
KR101892580B1 (ko) | 2018-08-29 |
US20150266849A1 (en) | 2015-09-24 |
IN2015DN02895A (es) | 2015-09-11 |
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