Title:
【発明の名称】テトラヒドロフラン及びガンマブチロラクトンとを生成する方法
Document Type and Number:
Japanese Patent JP2001515519
Kind Code:
A
Abstract:
A two-stage process for producing tetrahydrofuran and gammabutyrolactone in varying proportions from maleic, succinic anhydride or fumaric acid esters, by vapor phase hydrogenation. The first stage occurs on a copper-based catalyst to produce a mixture of tetrahydrofuran, gammabutyrolactone and butanediol. The second stage occurs on an acidic silica rich silica-alumina type catalyst to convert butanediol to tetrahydrofuran.
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Inventors:
Bertola Aldo
Application Number:
JP53566099A
Publication Date:
September 18, 2001
Filing Date:
January 05, 1999
Export Citation:
Assignee:
Pantokim S.A.
International Classes:
C07D307/08; C07D307/33; C07D315/00; B01J29/06; (IPC1-7): C07D307/08; B01J29/06; C07D307/33
Attorney, Agent or Firm:
Rikichi Ichikawa (1 outside)