Title:
【発明の名称】γ-ブチロラクトンの製法
Document Type and Number:
Japanese Patent JPH09505067
Kind Code:
A
Abstract:
PCT No. PCT/EP94/03683 Sec. 371 Date May 16, 1996 Sec. 102(e) Date May 16, 1996 PCT Filed Nov. 9, 1994 PCT Pub. No. WO95/14010 PCT Pub. Date May 26, 1995A process for the preparation of gamma -butyrolactone, in which 2,5-dihydrofuran or 2,3-dihydrofuran or a mixture of these two dihydrofurans is caused to react in the gas phase in the presence of water and in the presence or absence of additional hydrogen at elevated temperature over a hydrogenating catalyst.
Inventors:
Rolf Pincos
Rolf Fisher
Rolf Fisher
Application Number:
JP51419695A
Publication Date:
May 20, 1997
Filing Date:
November 09, 1994
Export Citation:
Assignee:
BASF Akchen Gezel Shaft
International Classes:
C07D307/33; B01J23/36; B01J23/656; B01J23/72; B01J23/86; C07B61/00; C07D307/32; C07D315/00; (IPC1-7): C07D307/33; B01J23/86; B01J23/72; B01J23/656; B01J23/36
Attorney, Agent or Firm:
Toshio Yano (3 outside)