Processing

Please wait...

Settings

Settings

Goto Application

1. WO2005077930 - PHENOLIC COMPOUND PURIFICATION

Publication Number WO/2005/077930
Publication Date 25.08.2005
International Application No. PCT/US2005/004160
International Filing Date 09.02.2005
IPC
C07D 311/36 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
311Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
02ortho- or peri-condensed with carbocyclic rings or ring systems
04Benzo pyrans, not hydrogenated in the carbocyclic ring
22with oxygen or sulfur atoms directly attached in position 4
26with aromatic rings attached in position 2 or 3
34with aromatic rings attached in position 3 only
36not hydrogenated in the hetero ring, e.g. isoflavones
C07D 311/40 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
311Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
02ortho- or peri-condensed with carbocyclic rings or ring systems
04Benzo pyrans, not hydrogenated in the carbocyclic ring
22with oxygen or sulfur atoms directly attached in position 4
26with aromatic rings attached in position 2 or 3
40Separation, e.g. from natural material; Purification
CPC
C07D 311/36
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
311Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
02ortho- or peri-condensed with carbocyclic rings or ring systems
04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
22with oxygen or sulfur atoms directly attached in position 4
26with aromatic rings attached in position 2 or 3
34with aromatic rings attached in position 3 only
36not hydrogenated in the hetero ring, e.g. isoflavones
C07D 311/40
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
311Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
02ortho- or peri-condensed with carbocyclic rings or ring systems
04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
22with oxygen or sulfur atoms directly attached in position 4
26with aromatic rings attached in position 2 or 3
40Separation, e.g. from natural material; Purification
Applicants
  • CARGILL, INCORPORATED [US]/[US] (AllExceptUS)
  • PURTLE, Ian [US]/[US] (UsOnly)
  • EYAL, Aharon [IL]/[IL] (UsOnly)
  • VITNER, Asher [IL]/[IL] (UsOnly)
Inventors
  • PURTLE, Ian
  • EYAL, Aharon
  • VITNER, Asher
Agents
  • CHALETSKY, Lawrence
Priority Data
60/543,06709.02.2004US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PHENOLIC COMPOUND PURIFICATION
(FR) PURIFICATION DE COMPOSES PHENOLIQUES
Abstract
(EN)
A process for improving the purity of a phenolic compound from a starting material of biological source is disclosed. The process comprises providing the starting material from the biological source comprising a mixture of at least one phenolic compound having a purity P1 and at least one non-phenolic compound. The process also comprises forming at least a fraction of the starting material, an alkaline aqueous solution having at least a pH of about pKa minus 1.5, wherein the pKa is that of the at least one phenolic compound, and insolubles. The process also comprises separating the insolubles from the alkaline solution, whereby there is formed a purified solution comprising at least one purified phenolic compound having a purity P2 and insolubles containing the at least on non-phenolic compound wherein P2 is greater than P1 and the insolubles contain less than about 20 percent (%) of the at least one phenolic compound present in the starting material.
(FR)
L'invention concerne un procédé permettant d'accroître le degré de pureté d'un composé phénolique dérivé d'une matière première d'origine biologique. Ce procédé consiste à prendre une matière première d'origine biologique comprenant un mélange d'au moins un composé phénolique présentant une pureté P1 et d'au moins un composé non phénolique, à former au moins une fraction de la matière première, une solution aqueuse alcaline présentant un pH correspondant au moins au pKa moins 1,5, le pKa étant celui du composé phénolique, et des matières insolubles, à séparer les matières insolubles de la solution alcaline, de manière à former une solution purifiée contenant un composé phénolique purifié présentant une pureté P2 et des matières insolubles contenant le ou les composés non phénoliques, P2 étant plus grand que P1, et les matières insolubles contenant moins de 20 pour-cent (%) environ du ou des composés phénoliques présents dans la matière première.
Latest bibliographic data on file with the International Bureau