| 摘要 |
PREPARATION OF AN ALIPHATIC CARBOXYLIC ACID HAVING (N+1) CARBON ATOMS, WHERE N IS AN INTEGER UP TO 6, AND/OR AN ESTER OR ANHYDRIDE THEREOF MAY BE ACHIEVED BY CONTACTING AN ALIPHATIC ALCOHOL HAVING N CARBON ATOMS AND/OR A REACTIVE DERIVATIVE THEREOF WITH CARBON MONOXIDE SUBSTANTIALLY IN THE ABSENCE OF THE HALOGENS OR DERIVATIVES THEREOF AT A TEMPERATURE IN THE RANGE 250-600°C AND AT A PRESSURE IN THE RANGE 10 TO 200 BARS, IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF A MORDENITE WHICH HAS, AS FRAMEWORK ELEMENTS, SILICON, ALUMINIUM AND ONE OR MORE OF GALLIUM, BORON AND IRON, AND WHICH HAS BEEN ION-EXCHANGED OR OTHERWISE LOADED WITH COPPER, NICKEL, IRIDIUM, RHODIUM OR COBALT.
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