ES2166972T3 - Procedimiento para preparar alfa-hidroxiacidos libres a partir de sus sales amonicas. - Google Patents

Procedimiento para preparar alfa-hidroxiacidos libres a partir de sus sales amonicas.

Info

Publication number
ES2166972T3
ES2166972T3 ES97904631T ES97904631T ES2166972T3 ES 2166972 T3 ES2166972 T3 ES 2166972T3 ES 97904631 T ES97904631 T ES 97904631T ES 97904631 T ES97904631 T ES 97904631T ES 2166972 T3 ES2166972 T3 ES 2166972T3
Authority
ES
Spain
Prior art keywords
procedure
salts
hydroxiacides
amonic
prepare free
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.)
Expired - Lifetime
Application number
ES97904631T
Other languages
English (en)
Inventor
Koichi Hayakawa
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.)
Nippon Soda Co Ltd
Original Assignee
Nippon Soda Co Ltd
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 Nippon Soda Co Ltd filed Critical Nippon Soda Co Ltd
Application granted granted Critical
Publication of ES2166972T3 publication Critical patent/ES2166972T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/14—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
    • C07C319/20—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by reactions not involving the formation of sulfide groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyridine Compounds (AREA)
  • Pyrrole Compounds (AREA)
  • Heterocyclic Compounds Containing Sulfur Atoms (AREA)
  • Furan Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

LA INVENCION SE REFIERE A UN PROCEDIMIENTO DE PREPARACION DE AL - HIDROXI ACIDOS CALENTANDO SALES DE AMONIO DE AL HIDROXI ACIDOS DE FORMULA GENERAL (I); ELIMINANDO EL AMONIACO FORMADO Y AGUA; AÑADIENDO AGUA AL RESIDUO; Y CALENTANDO LA MEZCLA OBTENIDA; SIENDO R HIDROGENO, ALQUILO C 1 - C 6 , ALQUIL (C 1 - C 6 ), TIOALQUILO (C 1 - C 6 ), FENILO O SIMILARES. DICHO PROCESO NO ADOLECE DEL PROBLEMA DEL DESECHADO DE LOS SUBPRODUCTOS, COMO EL BISULFATO DE AMONIO, Y POSIBILITA LA PREPARACION DE UN AL - HIDROXI ACIDO LIBRE, A PARTIR DE UNA SAL DE AMONIO DEL MISMO, DE FORMA ECONOMICA Y CON UN ELEVADO RENDIMIENTO.
ES97904631T 1996-02-26 1997-02-25 Procedimiento para preparar alfa-hidroxiacidos libres a partir de sus sales amonicas. Expired - Lifetime ES2166972T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6367296 1996-02-26
JP7323096 1996-03-04
JP32341196 1996-11-19

Publications (1)

Publication Number Publication Date
ES2166972T3 true ES2166972T3 (es) 2002-05-01

Family

ID=27298246

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97904631T Expired - Lifetime ES2166972T3 (es) 1996-02-26 1997-02-25 Procedimiento para preparar alfa-hidroxiacidos libres a partir de sus sales amonicas.

Country Status (9)

Country Link
US (1) US6066763A (es)
EP (1) EP0884300B1 (es)
JP (1) JP3923528B2 (es)
CN (1) CN1085195C (es)
AU (1) AU1735197A (es)
DE (1) DE69709705T2 (es)
ES (1) ES2166972T3 (es)
TW (1) TW425387B (es)
WO (1) WO1997030962A1 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2791668B1 (fr) * 1999-04-02 2001-05-04 Rhone Poulenc Animal Nutrition Procede de preparation d' beta-hydroxy acides
US6784317B2 (en) * 2001-05-02 2004-08-31 Mitsubishi Gas Chemical Company, Inc Production of quaternary ammonium salt of hydroxycarboxylic acid and quarternary ammonium salt of inorganic acid
ATE393137T1 (de) * 2001-05-07 2008-05-15 Cargill Inc Verfahren zur herstellung von carbonsäuren und deren derivaten
AU2002314847A1 (en) 2001-05-31 2002-12-09 Upsher-Smith Laboratories, Inc. Dermatological compositions and methods comprising alpha-hydroxy acids or derivatives
US6773873B2 (en) * 2002-03-25 2004-08-10 Advanced Technology Materials, Inc. pH buffered compositions useful for cleaning residue from semiconductor substrates
JP4831394B2 (ja) * 2003-10-09 2011-12-07 独立行政法人産業技術総合研究所 カルボン酸系化合物の製造方法
JP4696496B2 (ja) * 2004-08-18 2011-06-08 住友化学株式会社 ２−ヒドロキシ−４−メチルチオ酪酸の製造方法
WO2006069129A1 (en) * 2004-12-22 2006-06-29 E.I. Dupont De Nemours And Company Method for the production of glycolic acid from ammonium glycolate by direct deammoniation
JP5365824B2 (ja) * 2006-03-23 2013-12-11 独立行政法人産業技術総合研究所 コハク酸ジアルキルの製造方法および１，４−ブタンジオールの製造方法
JP4906395B2 (ja) * 2006-05-01 2012-03-28 旭化成ケミカルズ株式会社 高純度グリコール酸水溶液の製造法
JP5143838B2 (ja) * 2007-07-25 2013-02-13 日本曹達株式会社 α−ヒドロキシ酸アンモニウム塩からのα−ヒドロキシ酸の製造方法
KR101274369B1 (ko) 2008-06-20 2013-06-13 아사히 가세이 케미칼즈 가부시키가이샤 α-히드록시산의 제조 방법
DE102008040193A1 (de) * 2008-07-04 2010-01-07 Evonik Röhm Gmbh Verfahren zur Herstellung freier Carbonsäuren
DE102008040415A1 (de) * 2008-07-15 2010-01-21 Evonik Röhm Gmbh Thermisches Salzspalten von Ammoniumcarboxylaten
DE102009001008A1 (de) 2009-02-19 2010-08-26 Evonik Degussa Gmbh Reaktivextraktion von freien organischen Säuren aus deren Ammoniumsalzen
DE102009009580A1 (de) 2009-02-19 2010-08-26 Evonik Degussa Gmbh Verfahren zur Herstellung freier Säuren aus ihren Salzen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB967352A (en) * 1962-05-17 1964-08-19 Distillers Co Yeast Ltd Production of unsaturated aliphatic acids
JPS54115317A (en) * 1978-02-25 1979-09-07 Nitto Chem Ind Co Ltd Preparation of acrylic acid or methacrylic acid
US4212994A (en) * 1978-07-03 1980-07-15 The Dow Chemical Company Process for the preparation of carboxylic acid
DE3064100D1 (en) * 1980-05-16 1983-08-18 Dow Chemical Co Process for preparing carboxylic acids by reaction of alkali metal carboxylates and liquid cation exchange agents
JPS63264546A (ja) * 1987-04-20 1988-11-01 Asahi Chem Ind Co Ltd 工業廃酸を利用したカルボン酸の製造法
JP3428686B2 (ja) * 1993-07-23 2003-07-22 関東電化工業株式会社 １，１−ジクロロ−１−フルオロエタンの製造法
DE4341770A1 (de) * 1993-12-08 1995-06-14 Basf Ag Verfahren zur Herstellung von Milchsäureestern
JPH07330696A (ja) * 1994-06-01 1995-12-19 Mitsubishi Chem Corp 酸性アミノ酸の製造方法

Also Published As

Publication number Publication date
JP3923528B2 (ja) 2007-06-06
US6066763A (en) 2000-05-23
CN1211971A (zh) 1999-03-24
EP0884300B1 (en) 2001-11-21
WO1997030962A1 (en) 1997-08-28
AU1735197A (en) 1997-09-10
DE69709705D1 (de) 2002-02-21
EP0884300A1 (en) 1998-12-16
EP0884300A4 (en) 1999-09-01
TW425387B (en) 2001-03-11
DE69709705T2 (de) 2002-06-13
CN1085195C (zh) 2002-05-22

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