Title:
【発明の名称】ブチロラクトンの製法
Document Type and Number:
Japanese Patent JPH11511154
Kind Code:
A
Abstract:
PCT No. PCT/EP96/03472 Sec. 371 Date Feb. 12, 1998 Sec. 102(e) Date Feb. 12, 1998 PCT Filed Aug. 6, 1996 PCT Pub. No. WO97/07111 PCT Pub. Date Feb. 27, 1997A process for the preparation of butyrolactones of the formula I where the substituents R1 and R2 are hydrogen, alkyl or hydroxyalkyl groups, or aryl and trialkylsilyl groups, if appropriate carrying inert: substituents, is described in which an alkyne of the formula IIR1-C 3BOND C-R2IIwhere the substituents have the meanings indicated above, is reacted under reducing conditions at elevated pressure and elevated temperature with carbon monoxide CO and hydrogen in the presence of a transition metal catalyst or with carbon monoxide and water in the presence of a transition metal catalyst.
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Inventors:
Marc Haider
Thomas ruhl
Jochem Henkelmann
Zuzanne Stutz
Thomas price
Heinz Lutter
Martin shafer
Artur Hane
Thomas ruhl
Jochem Henkelmann
Zuzanne Stutz
Thomas price
Heinz Lutter
Martin shafer
Artur Hane
Application Number:
JP50890297A
Publication Date:
September 28, 1999
Filing Date:
August 06, 1996
Export Citation:
Assignee:
BASF Akchen Gezel Shaft
International Classes:
C07D307/33; B01J31/20; C07B61/00; C07D307/32; C07D307/58; C07D315/00; C07F7/08; (IPC1-7): C07D307/33; B01J31/20; C07D307/58; C07F7/08
Attorney, Agent or Firm:
Toshio Yano (3 outside)