Title:
FLEXIBLE METHOD FOR THE COMMON PRODUCTION OF FORMIC ACID, A CARBOXYLIC ACID HAVING AT LEAST TWO CARBON ATOMS, AND/OR THE DERIVATIVES OF THE SAME
Document Type and Number:
WIPO Patent Application WO/2003/014053
Kind Code:
A1
Abstract:
The invention relates to a method for the common production of formic acid, a carboxylic acid comprising at least two carbon atoms, and/or the derivatives thereof. According to the inventive method, (a) a formic acid ester (I) is transesterified with a carboxylic acid having at least two carbon atoms (II) to form formic acid (III) and the corresponding carboxylic acid ester (IV); and (b) at least one part of the carboxylic acid ester (IV) formed in step (a) is carbonylated to form the corresponding carboxylic acid anhydride (V).
Inventors:
ZEHNER PETER (DE)
PASTRE JOERG (DE)
STUEER WOLFRAM (DE)
PASTRE JOERG (DE)
STUEER WOLFRAM (DE)
Application Number:
PCT/EP2002/008232
Publication Date:
February 20, 2003
Filing Date:
July 24, 2002
Export Citation:
Assignee:
BASF AG (DE)
ZEHNER PETER (DE)
PASTRE JOERG (DE)
STUEER WOLFRAM (DE)
ZEHNER PETER (DE)
PASTRE JOERG (DE)
STUEER WOLFRAM (DE)
International Classes:
C07C27/02; C07C27/00; C07C45/41; C07C45/46; C07C45/89; C07C49/90; C07C51/083; C07C51/09; C07C51/56; C07C53/02; C07C53/08; C07C67/00; C07C67/08; C07C67/10; C07C67/297; C07C69/14; C07C69/15; (IPC1-7): C07C51/09; C07C51/56; C07C67/02; C07C53/02; C07C53/12; C07C69/14
Foreign References:
| EP0193799A2 | 1986-09-10 | |||
| EP0336216A1 | 1989-10-11 | |||
| EP0087870A1 | 1983-09-07 |
Attorney, Agent or Firm:
BASF AKTIENGESELLSCHAFT (Ludwigshafen, DE)
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