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Title:
ユビヒドロキノンおよびユビキノンの調製方法
Document Type and Number:
Japanese Patent JP2009505969
Kind Code:
A
Abstract:
A process for the preparation of ubihydroquinones and ubiquinones by condensation of a prenol or isoprenol with a hydroquinone or derivative thereof in the presence of 0.005-1.0 mol % of a catalyst which is a Broensted-acid, a Lewis-acid from the group consisting of a derivative of Bi or In or an element of group 3 of the periodic table of the elements, a heteropolyacid, an NH- or a CH-acidic compound, and optionally oxidizing the ubihydroquinone obtained.

Inventors:
Aquino, Fabrice
Bonras, Werner
Borrell, Patrick
Fugen Tobler, Max
Thomas Nesuel
Rad Spieler, Alexander
Application Number:
JP2008525435A
Publication Date:
February 12, 2009
Filing Date:
August 02, 2006
Export Citation:
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Assignee:
DSM IP ASSETS B.V.
International Classes:
C07C41/30; B01J27/12; B01J27/125; B01J27/188; C07C43/205; C07C43/23; C07C46/06; C07C50/28; C07B61/00
Domestic Patent References:
JPS4738958A
JPH06263656A1994-09-20
JP2004002333A2004-01-08
JPH09176081A1997-07-08
JPH09173856A1997-07-08
JP2001328954A2001-11-27
JPS55118437A1980-09-11
JPS55143928A1980-11-10
JPS5569535A1980-05-26
JPS4738958A
JPH06263656A1994-09-20
JP2004002333A2004-01-08
JPH09176081A1997-07-08
JPH09173856A1997-07-08
JP2001328954A2001-11-27
Attorney, Agent or Firm:
Yuichi Yamada
Masakazu Noda
Yoshinori Shimizu
Ikeda adult