Claims
- 1. A process for the preparation of a carboxylic acid which comprises reacting an ethylenically unsaturated compound having the general structure R.sub.2 R.sub.1 C.dbd.CR.sub.3 R.sub.4 wherein, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrogen or the same or different alkyl or cycloalkyl, or wherein one of said R.sub.1 and R.sub.2 and one of said R.sub.3 and R.sub.4 together form a single alkylene group having from 2 to about 8 carbon atoms with carbon monoxide in the presence of water, in the presence of a molybdenum-nickel-alkali metal, a tungsten-nickel-alkali metal or a chromium-nickel-alkali metal co-catalyst component, and being free from organic promoters selected from the group consisting of organo-phosphorus compounds and organo-nitrogen compounds and in the presence of a halide.
- 2. A process as defined in claim 1, wherein the co-catalyst is molybdenum-nickel-alkali metal.
- 3. A process as defined in claim 1, wherein the alkali metal is lithium.
- 4. A process as defined in claim 3, wherein the co-catalyst is molybdenum-nickel-lithium.
Parent Case Info
This case is a continuation of Ser. No. 431,451 filed Sept. 30, 1982, now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4354036 |
Rizkalla |
Oct 1982 |
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Continuations (1)
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Number |
Date |
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Parent |
431451 |
Sep 1982 |
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