Claims
- 1. A supported catalyst comprising a catalyst composition formed by reacting a compound of palladium; an acid component present in an amount from 0.5 to 200 moles per mol of palladium, said acid component selected from the group consisting of (a) protic acid having a pKa of at least 2, (b) Lewis acid of the formula MF.sub.n wherein n is 3 or 5 and M is a trivalent or pentavalent element of Group III which forms a binary fluoride, or (c) a mixture of the Lewis acid and hydrogen halide; and a bidentate ligand selected from the group consisting of a bidentate ligand of nitrogen, a bidentate ligand of sulfur, and a bidentate ligand of phosphorous present in an amount of from 0.5 to 700 moles per tool of the palladium, said composition being supported on a solid particulate support which has a carrier index of below 30.
- 2. The catalyst of claim 1 wherein the palladium compound is palladium acetate.
- 3. The catalyst of claim 2 wherein the bidentate ligand is a phosphorus ligand represented by the formula ##STR5## wherein R independently is hydrocarbyl or substituted hydrocarbyl of up to 10 carbon atoms inclusive and R.sup.1 is a divalent bridging group of up to 10 carbon atoms inclusive with from 2 to 4 carbon atoms inclusive in the bridge.
- 4. The catalyst of claim 3 wherein R is aromatic and R.sup.1 is 1,3-propylene.
- 5. The catalyst of claim 4 wherein the support is a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon.
- 6. The catalyst of claim 5 wherein the acid component is protic acid.
- 7. The catalyst of claim 6 wherein the protic acid is citric acid.
- 8. The catalyst of claim 5 wherein the acid component is a mixture of Lewis acid and hydrogen fluoride.
- 9. The catalyst of claim 8 wherein the Lewis acid is boron trifluoride.
- 10. The catalyst of claim 9 wherein the phosphorus bidentate ligand is 1,3-bis(diphenylphosphino)propane or 1,3-bis[di(2-methoxyphenyl)phosphino]propane.
- 11. The catalyst of claim 10 wherein the ligand is 1,3-bis[di(2-methoxyphenyl)phosphino]propane.
Priority Claims (1)
Number |
Date |
Country |
Kind |
9100503 |
Mar 1991 |
NLX |
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Parent Case Info
This is a division, of application Ser. No. 833,203, filed Feb. 10, 1992 and now U.S. Pat. No. 5,227,464.
US Referenced Citations (7)
Foreign Referenced Citations (4)
Number |
Date |
Country |
0248483 |
Dec 1987 |
EPX |
0272728 |
Jun 1988 |
EPX |
0404228 |
Dec 1990 |
EPX |
89-01311A |
May 1989 |
NLX |
Divisions (1)
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Number |
Date |
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Parent |
833203 |
Feb 1992 |
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