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MX9710525A - Proceso de separacion. - Google Patents

Proceso de separacion.

Info

Publication number
MX9710525A
MX9710525A MX9710525A MX9710525A MX9710525A MX 9710525 A MX9710525 A MX 9710525A MX 9710525 A MX9710525 A MX 9710525A MX 9710525 A MX9710525 A MX 9710525A MX 9710525 A MX9710525 A MX 9710525A
Authority
MX
Mexico
Prior art keywords
separating
reaction mixtures
pivalic acid
spent reaction
impurities
Prior art date
Application number
MX9710525A
Other languages
English (en)
Other versions
MXPA97010525A (es
Inventor
Joan Cabre
Vicor Centellas
Jose Diago
Asuncion Esteve
Joan Serrat
Original Assignee
Biochemie Gmbh
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 Biochemie Gmbh filed Critical Biochemie Gmbh
Publication of MX9710525A publication Critical patent/MX9710525A/es
Publication of MXPA97010525A publication Critical patent/MXPA97010525A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/126—Acids containing more than four carbon atoms
    • C07C53/128—Acids containing more than four carbon atoms the carboxylic group being bound to a carbon atom bound to at least two other carbon atoms, e.g. neo-acids
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Cephalosporin Compounds (AREA)

Abstract

Un proceso para la recuperacion de ácido 2,2-dimetilpropanoico en una forma altamente pura, a partir de una mezcla de ácido 2,2-dimetilpropanoico e impurezas, la cual se puede obtener en la produccion de una antibiotico de beta-lactama, mediante la degradacion de las impurezas y la separacion de los fragmentos volátiles.
MXPA/A/1997/010525A 1995-06-28 1997-12-19 Proceso de separacion MXPA97010525A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9513115.7 1995-06-28
GBGB9513115.7A GB9513115D0 (en) 1995-06-28 1995-06-28 Organic compounds
PCT/EP1996/002821 WO1997001525A1 (en) 1995-06-28 1996-06-27 Process for separating pivalic acid from spent reaction mixtures

Publications (2)

Publication Number Publication Date
MX9710525A true MX9710525A (es) 1998-03-31
MXPA97010525A MXPA97010525A (es) 1998-10-15

Family

ID=

Also Published As

Publication number Publication date
KR19990028490A (ko) 1999-04-15
JPH11507944A (ja) 1999-07-13
ATE241585T1 (de) 2003-06-15
TW328081B (en) 1998-03-11
ES2200068T3 (es) 2004-03-01
EP0836587A1 (en) 1998-04-22
US5990351A (en) 1999-11-23
AU6418096A (en) 1997-01-30
WO1997001525A1 (en) 1997-01-16
GB9513115D0 (en) 1995-08-30
DE69628433D1 (de) 2003-07-03
CA2224806A1 (en) 1997-01-16
EP0836587B1 (en) 2003-05-28

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Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees