Claims
- 1. A process for preparing ethylidene diacetate in a continuous reaction comprising reacting at a temperature between about 90.degree.-250.degree. C. and at a pressure between about 20-70 atmospheres, methyl acetate, iodomethane, carbon monoxide and hydrogen wherein the molar ratio of hydrogen to carbon monoxide is maintained between about 1:1 and about 6:1, said reaction occurring in the presence of an accelerator and a supported catalyst System represented by the formula M.sub.a X wherein,
- M is a compound of a group VIII transition metal which catalyzes the production of ethylidene diacetate;
- X is an organic carrier; and
- "a" represents the weight percent of said metal in said catalyst system.
- 2. The process of claim 1 wherein said metal is selected from the group consisting of rhodium and palladium.
- 3. The process of claim 2 wherein said compound M is selected from the group consisting of RhCl(CO)[P(C.sub.6 H.sub.5).sub.3 ].sub.2, RhCl(CO)[P(C.sub.6 H.sub.5).sub.3 ].sub.3, (CH.sub.3 COO).sub.2 Pd and RhCl[P(C.sub.6 H.sub.5).sub.3 ].sub.3.
- 4. The process of claim 3 wherein said carrier X is selected from the group consisting of divinylbenzene-polystyrene copolymers.
- 5. The process of claim 4 wherein the degree of crosslinking of said copolymers is from about 1-20%.
- 6. The process of claim 5 wherein said weight percent of said metal is from about 0.1-2.0 weight percent.
- 7. The process of claim 1 wherein said accelerator is 3-picoline.
- 8. The process of claim 1 wherein said accelerator comprises about 1-10 wt. % of the total reactants.
- 9. The process of claim 1 wherein said iodomethane comprises about 20-70 wt. % of the total reactants.
- 10. The process of claim 1 wherein the molar ratio of hydrogen to carbon monoxide is between about 1:1 to about 3:1.
Priority Claims (1)
Number |
Date |
Country |
Kind |
1990 15918 |
Oct 1990 |
KRX |
|
Parent Case Info
This is a division of application Ser. No. 07/773,034, filed Oct. 8, 1991 now abandoned.
US Referenced Citations (16)
Non-Patent Literature Citations (2)
Entry |
Rideal, Concepts in Catalysis, 1968, Pub. by Academic Press, N.Y., N.Y., pp. 4-5. |
JACS 93, pp. 3062-3063, Jun. 16, 1971 (Grubbs et al.). |
Divisions (1)
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Number |
Date |
Country |
Parent |
773034 |
Oct 1991 |
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