BR0113940B1 - processo para preparar derivados de 4 - tioalquilbromobenzeno. - Google Patents

processo para preparar derivados de 4 - tioalquilbromobenzeno.

Info

Publication number
BR0113940B1
BR0113940B1 BRPI0113940-1A BR0113940A BR0113940B1 BR 0113940 B1 BR0113940 B1 BR 0113940B1 BR 0113940 A BR0113940 A BR 0113940A BR 0113940 B1 BR0113940 B1 BR 0113940B1
Authority
BR
Brazil
Prior art keywords
preparing
alpha
thioalkylbromobenzene
derivatives
hydroxy acid
Prior art date
Application number
BRPI0113940-1A
Other languages
English (en)
Other versions
BR0113940A (pt
Inventor
Krieken Jan Van
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 filed Critical
Publication of BR0113940A publication Critical patent/BR0113940A/pt
Publication of BR0113940B1 publication Critical patent/BR0113940B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
BRPI0113940-1A 2000-09-15 2001-09-14 processo para preparar derivados de 4 - tioalquilbromobenzeno. BR0113940B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1016203 2000-09-15
PCT/NL2001/000682 WO2002022544A1 (en) 2000-09-15 2001-09-14 Method for the purification of α-hydroxy acids on an industrial scale

Publications (2)

Publication Number Publication Date
BR0113940A BR0113940A (pt) 2003-07-22
BR0113940B1 true BR0113940B1 (pt) 2012-05-02

Family

ID=19772099

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0113940-1A BR0113940B1 (pt) 2000-09-15 2001-09-14 processo para preparar derivados de 4 - tioalquilbromobenzeno.

Country Status (10)

Country Link
US (1) US7223885B2 (pt)
EP (1) EP1317407B1 (pt)
JP (2) JP4895337B2 (pt)
CN (1) CN1294112C (pt)
AT (1) ATE321018T1 (pt)
AU (1) AU2002211056A1 (pt)
BR (1) BR0113940B1 (pt)
DE (1) DE60118231T2 (pt)
ES (1) ES2260297T3 (pt)
WO (1) WO2002022544A1 (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1294112C (zh) 2000-09-15 2007-01-10 普拉克生化公司 在工业规模上纯化α－羟基酸的方法
JP5280007B2 (ja) * 2006-08-02 2013-09-04 株式会社クレハ ヒドロキシカルボン酸の精製方法、環状エステルの製造方法およびポリヒドロキシカルボン酸の製造方法
US7439391B2 (en) * 2006-10-12 2008-10-21 E.I. Du Pont De Nemours And Company Multi-stage glycolic acid crystallization
BE1018561A3 (fr) * 2008-12-24 2011-03-01 Galactic Sa Procede de purification de l'acide lactique par cristallisation.
DK2275399T3 (da) * 2009-07-16 2013-11-11 Purac Biochem Bv Flydende mælkesyresammensætning og fremgangsmåde til fremstilling deraf
US8829248B2 (en) 2010-08-18 2014-09-09 Eastman Chemical Company Method for recovery and recycle of ruthenium homogeneous catalysts
US8466328B2 (en) 2010-08-18 2013-06-18 Eastman Chemical Company Method for recovery and recycle of ruthenium homogeneous catalysts
US9227896B2 (en) 2010-08-18 2016-01-05 Eastman Chemical Company Process for the separation and purification of a mixed diol stream
US8785686B2 (en) 2010-09-23 2014-07-22 Eastman Chemical Company Process for recovering and recycling an acid catalyst
US8709376B2 (en) 2010-09-23 2014-04-29 Eastman Chemical Company Process for recovering and recycling an acid catalyst
CN102531883B (zh) * 2010-12-28 2014-03-26 中国科学院大连化学物理研究所 一种连续生产乙醇酸的方法
FR2974804B1 (fr) 2011-05-06 2013-05-03 Roquette Freres Procede de preparation d'un acide glycolique de haute purete
US8765999B2 (en) 2012-03-27 2014-07-01 Eastman Chemical Company Hydrocarboxylation of formaldehyde in the presence of a higher order carboxylic acid and a homogeneous catalyst
US8829234B2 (en) 2012-03-27 2014-09-09 Eastman Chemical Company Hydrocarboxylation of formaldehyde in the presence of a higher order carboxylic acid and heterogeneous catalyst
US8927766B2 (en) 2012-03-27 2015-01-06 Eastman Chemical Company Hydrocarboxylation of methylene dipropionate in the presence of a propionic acid and a homogeneous catalyst
US8703999B2 (en) 2012-03-27 2014-04-22 Eastman Chemical Company Hydrocarboxylation of methylene dipropionate in the presence of propionic acid and a heterogeneous catalyst
US9040748B2 (en) 2012-06-08 2015-05-26 Eastman Chemical Company Hydrocarboxylation of aqueous formaldehyde using a dehydrating recycle stream to decrease water concentration
CN102992990B (zh) * 2012-10-15 2014-06-18 常州协丰医药研发有限公司 一种光学纯手性α-羟基烷基羧酸的制备方法
CN103694108B (zh) * 2013-12-17 2015-10-28 河南金丹乳酸科技股份有限公司 利用晶体乳酸连续生产液体乳酸的设备和方法
BR112017021255A2 (pt) 2015-04-07 2018-06-26 Metabolic Explorer Sa microrganismo modificado para a produção otimizada de 2,4-di-hidroxibutirato
CN107771214B (zh) 2015-04-07 2022-01-18 代谢探索者公司 用于具有增加的2,4-二羟基丁酸外排物的优化的2,4-二羟基丁酸产生的修饰的微生物

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE593657C (de) * 1931-07-16 1934-03-01 Byk Guldenwerke Chem Fab Akt G Verfahren zur Herstellung von fester Milchsaeure
JPS50116461A (pt) * 1974-03-01 1975-09-11
JPH0454152A (ja) * 1990-06-20 1992-02-21 Sumikin Chem Co Ltd ナフタレンカルボン酸エステルの精製方法
JPH06501268A (ja) * 1990-09-20 1994-02-10 イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー 高純度のヒドロキシ酢酸の製造
JPH0578277A (ja) * 1991-03-04 1993-03-30 Nikko Kyodo Co Ltd ３，３，３−トリフルオロ乳酸の製造方法及び光学純度の向上法
US5510526A (en) * 1993-06-29 1996-04-23 Cargill, Incorporated Lactic acid production, separation and/or recovery process
DE19632924A1 (de) * 1996-08-16 1998-02-19 Bayer Ag Verfahren zur Isolierung von Hydroxypivalinsäure aus wäßriger Lösung
BE1011197A3 (fr) * 1997-06-06 1999-06-01 Brussels Biotech En Abrege Bb Procede de purification d'acide lactique.
CN1083826C (zh) * 1999-01-22 2002-05-01 梁宇 一步法乳酸提纯工艺制备高纯耐热乳酸的方法及其设备
DK1163200T3 (da) * 1999-03-22 2004-11-01 Purac Biochem Bv Method of industrial-scale purification of lactic acid
CN1294112C (zh) 2000-09-15 2007-01-10 普拉克生化公司 在工业规模上纯化α－羟基酸的方法

Also Published As

Publication number Publication date
DE60118231T2 (de) 2006-12-28
CN1630628A (zh) 2005-06-22
JP4895337B2 (ja) 2012-03-14
CN1294112C (zh) 2007-01-10
EP1317407B1 (en) 2006-03-22
EP1317407A1 (en) 2003-06-11
AU2002211056A1 (en) 2002-03-26
BR0113940A (pt) 2003-07-22
JP2011201917A (ja) 2011-10-13
WO2002022544A1 (en) 2002-03-21
US7223885B2 (en) 2007-05-29
ATE321018T1 (de) 2006-04-15
US20040249206A1 (en) 2004-12-09
JP2004509090A (ja) 2004-03-25
ES2260297T3 (es) 2006-11-01
DE60118231D1 (de) 2006-05-11
JP5595336B2 (ja) 2014-09-24

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 02/05/2012, OBSERVADAS AS CONDICOES LEGAIS.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 02.05.2022