Claims
- 1. A method for producing an ester compound, which comprises transesterifying an alcohol, a carboxylic acid or an ester compound with a starting ester in the presence of a catalyst comprising a phosphate of at least one metal selected from the group consisting of aluminum, gallium and iron.
- 2. The method as claimed in claim 1, in which the catalyst comprises a boric acid-group or an alkaline earth metal.
- 3. The method as claimed in claim 1, wherein said catalyst is obtained by bringing a solution containing a phospate ion into contact with at least one of an oxide, a hydroxide and a nitrate of at least one metal selected from the group consisting of aluminum, gallium and iron.
- 4. The method as claimed in claim 1, wherein the said catalyst is prepared from a metal phosphate and an alkaline earth metal, boric acid or a borate.
- 5. The method of claim 1, wherein said catalyst has been calcined.
- 6. The method of claim 3, which further comprises calcining.
- 7. The method of claim 1, wherein the molar ratio of the metal ion to phosphate ion is from 1:2 to 1:0.01.
- 8. The method of claim 3, wherein the molar ratio of the metal ion to phosphate ion is from 1:2 to 1:0.01.
Priority Claims (2)
Number |
Date |
Country |
Kind |
11-161575 |
Jun 1999 |
JP |
|
11-196324 |
Jul 1999 |
JP |
|
Parent Case Info
This application is a division of application Ser. No. 09/587,569 filed Jun. 6, 2000, now abandoned.
US Referenced Citations (13)
Foreign Referenced Citations (5)
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Nov 1994 |
EP |
61-200943 |
Sep 1986 |
JP |
61-236749 |
Oct 1986 |
JP |
04-028250 |
May 1992 |
JP |
WO 9825876 |
Jun 1998 |
WO |