AU2001244649A1 - Method for purification of cyclic ester - Google Patents

Method for purification of cyclic ester

Info

Publication number
AU2001244649A1
AU2001244649A1 AU2001244649A AU4464901A AU2001244649A1 AU 2001244649 A1 AU2001244649 A1 AU 2001244649A1 AU 2001244649 A AU2001244649 A AU 2001244649A AU 4464901 A AU4464901 A AU 4464901A AU 2001244649 A1 AU2001244649 A1 AU 2001244649A1
Authority
AU
Australia
Prior art keywords
purification
cyclic ester
cyclic
ester
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2001244649A
Inventor
Tetsuo Ejiri
Kentaro Otawara
Kazuyuki Yamane
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kureha Corp
Original Assignee
Kureha Corp
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 Kureha Corp filed Critical Kureha Corp
Publication of AU2001244649A1 publication Critical patent/AU2001244649A1/en
Abandoned legal-status Critical Current

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
AU2001244649A 2000-03-31 2001-03-30 Method for purification of cyclic ester Abandoned AU2001244649A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000-96713 2000-03-31
JP2000096713A JP4565208B2 (en) 2000-03-31 2000-03-31 Method for purifying glycolide
PCT/JP2001/002721 WO2001072736A1 (en) 2000-03-31 2001-03-30 Method for purification of cyclic ester

Publications (1)

Publication Number Publication Date
AU2001244649A1 true AU2001244649A1 (en) 2001-10-08

Family

ID=18611442

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001244649A Abandoned AU2001244649A1 (en) 2000-03-31 2001-03-30 Method for purification of cyclic ester

Country Status (6)

Country Link
US (1) US6693204B2 (en)
EP (1) EP1273579A4 (en)
JP (1) JP4565208B2 (en)
CN (1) CN100383137C (en)
AU (1) AU2001244649A1 (en)
WO (1) WO2001072736A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4750256B2 (en) * 2000-10-20 2011-08-17 株式会社クレハ Method for purifying glycolide
TW200407300A (en) 2002-07-12 2004-05-16 Nippon Catalytic Chem Ind Process for producing diol derivative
JP4555541B2 (en) * 2002-08-09 2010-10-06 トヨタ自動車株式会社 Method for purifying the optical isomer of either lactide of a mixture of D-lactide and L-lactide
KR101019450B1 (en) * 2005-10-03 2011-03-07 테바 파마슈티컬 인더스트리즈 리미티드 Diastereomeric purification of rosuvastatin
JP5235311B2 (en) 2007-02-20 2013-07-10 株式会社クレハ Method for purifying cyclic esters
KR101706484B1 (en) * 2012-11-22 2017-02-13 가부시끼가이샤 구레하 Method for producing glycolide, which is provided with rectification step by means of gas-liquid countercurrent contact, and method for purifying crude glycolide
EP2777791A1 (en) * 2013-03-11 2014-09-17 Sulzer Chemtech AG Process and apparatus for purification of a stream containing a cyclic ester of an alpha-hydroxycarboxylic acid
CN107304196B (en) * 2016-04-19 2020-11-10 上海浦景化工技术股份有限公司 Method for refining glycolide by coupling reduced pressure distillation-melt crystallization
CN117903105A (en) * 2022-10-12 2024-04-19 中国石油化工股份有限公司 Purification method of glycolide, glycolide and application

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE617407A (en) 1961-05-09
US3597449A (en) 1967-11-16 1971-08-03 American Cyanamid Co Stable glycolide and lactide composition
JPS4740621B1 (en) * 1968-06-25 1972-10-14
GB1225711A (en) * 1968-04-02 1971-03-24
JPS5680202U (en) * 1979-11-22 1981-06-29
JPS58199002A (en) * 1982-05-17 1983-11-19 Kureha Chem Ind Co Ltd Refining device for crystal
JPS6025504A (en) * 1983-07-21 1985-02-08 Kureha Chem Ind Co Ltd Crystal purifying apparatus
US4727163A (en) 1985-07-11 1988-02-23 E. I. Du Pont De Nemours And Company Process for preparing highly pure cyclic esters
JPS62244402A (en) * 1986-04-15 1987-10-24 Kureha Chem Ind Co Ltd Crystal refining device
EP0261572A1 (en) 1986-09-20 1988-03-30 Boehringer Ingelheim Kg Process for the production of lactide
CN1046159A (en) * 1989-04-04 1990-10-17 纳幕尔杜邦公司 The method of normal pressure prepaing cyclic esters
JP2857891B2 (en) * 1989-10-04 1999-02-17 繁 齋藤 Crystal refining equipment
US5023350A (en) * 1990-05-24 1991-06-11 E. I. Du Pont De Nemours And Company Process for the purification of cyclic esters
US5332839A (en) * 1990-09-18 1994-07-26 Biopak Technology, Ltd. Catalytic production of lactide directly from lactic acid
US5117008A (en) * 1990-10-23 1992-05-26 E. I. Du Pont De Nemours And Company Solvent scrubbing recovery of lactide and other dimeric cyclic esters
US5236560A (en) * 1992-03-13 1993-08-17 E. I. Du Pont De Nemours And Company Solventless dimeric cyclic ester distillation process
US5686630A (en) * 1993-09-29 1997-11-11 Chronopol, Inc. Purifying cyclic esters by aqueous solvent extraction
US5675021A (en) * 1992-03-19 1997-10-07 Chronopol, Inc. Method to produce and purify cyclic esters
EP0588222B1 (en) 1992-09-16 1997-02-26 BASF Aktiengesellschaft Process for the preparation of glycolid and lactid
US5521278A (en) * 1994-08-18 1996-05-28 Ecological Chemical Products Integrated process for the manufacture of lactide
US5830991A (en) * 1996-02-09 1998-11-03 Kureha Kagaku Kagyo Kk Preparation process and purification process of dimeric cyclic ester of hydroxycarboxylic acid
JP4171083B2 (en) * 1996-02-09 2008-10-22 株式会社クレハ Method for producing α-hydroxycarboxylic acid dimer cyclic ester
JP3809215B2 (en) * 1996-02-27 2006-08-16 株式会社クレハ Process for producing and purifying alkylene oxalate cyclic ester
JP4354582B2 (en) * 1999-08-23 2009-10-28 株式会社クレハ Crystal purification apparatus and method

Also Published As

Publication number Publication date
US6693204B2 (en) 2004-02-17
WO2001072736A1 (en) 2001-10-04
EP1273579A1 (en) 2003-01-08
US20030109722A1 (en) 2003-06-12
JP2001278877A (en) 2001-10-10
JP4565208B2 (en) 2010-10-20
CN100383137C (en) 2008-04-23
CN1432006A (en) 2003-07-23
EP1273579A4 (en) 2003-06-25

Similar Documents

Publication Publication Date Title
AU2001294175A1 (en) Method of purifying antibody
AU2001240115A1 (en) Method for the preparation of tetrahydrobenzothiepines
AU2002222178A1 (en) Method of indexing entities
AU3654301A (en) Method of purifying a fermentation broth
AU2001238696A1 (en) Method of reducing defects
AU2001286983A1 (en) Method of treatment
AUPR217700A0 (en) Methods for purification of lactose
AU2001244649A1 (en) Method for purification of cyclic ester
AU2001288092A1 (en) Method of crystallization
AU2001294258A1 (en) Method of purifying plavastatin
AU2001293753A1 (en) Method for the production of macrocyclic esters
AU2002214487A1 (en) Method for inducing apoptiosis
AU2001227697A1 (en) Method for purification of acetone
AU2002231683A1 (en) Method of producing alk-3-ene-1-ols
AU2001213451A1 (en) Method for preparation of polycarbonates
AU2001270569A1 (en) Method for producing amides or esters
GB2389182B (en) Method of purifying b-secretase
AU2001284741A1 (en) Method for purification of acarbose
HUP0103554A3 (en) Method for production of methylene-karbamide polimers
IL155158A0 (en) A method for purification of pravastatin
AU2001233194A1 (en) Method for purifying perfluorocarbons
AU2002222693A1 (en) Method of concentrating gene
AU2003254894A1 (en) Method of purifying lactide
AU2002218862A1 (en) Method for purification of lactose
AU2001286268A1 (en) Method of forming complex