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Title:
【発明の名称】ε-カプロラクタムおよびε-カプロラクタム前駆体の水性混合物の連続的製造法
Document Type and Number:
Japanese Patent JP2001512454
Kind Code:
A
Abstract:
This continuous process for preparing an aqueous mixture of +531 -caprolactam and 6-aminocaproic acid and/or 6-aminocaproamide by involves, as the reductive amination step, continuously contacting 5-formylvaleric acid or an alkyl 5-formylvalerate in water as solvent with hydrogen and an excess of ammonia in the presence of a ruthenium on carrier, as a catalyst, wherein the carrier is at least one of titanium oxide or zirconium oxide. The aqueous mixture can be used to prepare +531 -caprolactam.

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Inventors:
Herkes, frank, edward
Robert The Pestman
Bougels, Jeroen, Antonius, Franciscus
Application Number:
JP53560898A
Publication Date:
August 21, 2001
Filing Date:
February 10, 1998
Export Citation:
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Assignee:
DSM N.V.
E.I.Dupont Doo Nemours & Company
International Classes:
B01J23/46; C07B61/00; C07C227/08; C07C231/14; C07D201/08; C07C229/08; C07C237/06; (IPC1-7): C07D201/08; B01J23/46
Attorney, Agent or Firm:
Mitsuo Matsui



 
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