发明名称 |
FLEXIBLE METHOD FOR THE JOINT PRODUCTION OF (I) FORMIC ACID, (II) A CARBOXYLIC ACID COMPRISING AT LEAST TWO CARBON ATOMS AND/OR THE DERIVATIVES THEREOF, AND (III) A CARBOXYLIC ACID ANHYDRIDE |
摘要 |
<p>Disclosed is a method for jointly producing (i) formic acid (III); (ii) a carboxylic acid comprising at least two carbon atoms (II) and/or the derivatives thereof; and (iii) a carboxylic acid anhydride (VII). According to said method, (a) a formic acid ester (I) is transesterified to formic acid (III) and the corresponding carboxylic acid ester (IV) by means of a carboxylic acid comprising at least two carbon atoms (II); (b) at least one portion of the carboxylic acid ester (IV) formed in step (a) is carbonylated in order to obtain the carboxylic acid anhydride (V); and (c) at least one portion of the carboxylic acid anhydride (V) formed in step (b) is further dehydrated by means of a carboxylic acid (VI) so as to form a carboxylic acid anhydride (VII) and the carboxylic acid (II).</p> |
申请公布号 |
KR20050073582(A) |
申请公布日期 |
2005.07.14 |
申请号 |
KR20057007103 |
申请日期 |
2003.10.21 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
PASTRE JOERG;EXNER KAI MICHAEL;STUEER WOLFRAM;GEISSLER ELKE;MACHHAMMER OTTO |
分类号 |
C07C51/09;C07C51/54;C07C51/56;(IPC1-7):C07C51/54 |
主分类号 |
C07C51/09 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|