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US 4,507,245 AGranted
Process for the production of a rare earth metal alkoxide
AssigneeHokko Chemical Industry Co., Ltd.
InventorsYoshiharu Ozaki, Kimiyoshi Kaneko, Senshu Mitachi
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Abstract
A new improved process of producing a rare earth metal alkoxide is now provided, which comprises reacting a rare earth metal carboxylate with an alkali metal alkoxide in an inert organic solvent under anhydrous conditions, and which can be conducted in a facile way and give the desired rare earth metal alkoxide of a high purity in a high yield.
Claims10
A process for the production of a rare earth metal alkoxide of the general formula
- M(OR).sub.3 (I)
- wherein M denotes a rare earth metal atom and R denotes an alkyl group, which comprises reacting a rare earth metal carboxylate represented by the general formula
- M.sub.n X.sub.3 (II)
- wherein M is as defined above, X denotes the residue of a carboxylic acid and n is an integer of 1 or 2, provided that n is 1 when X denotes the residue of a mono-carboxylic acid;
- and n is 2 when X denotes the residue of a di-carboxylic acid, with an alkali metal alkoxide represented by the general formula
- ROM' (III)
- wherein R is an alkyl group as defined above and M' denotes an alkali metal, in an inert organic solvent or liquid under the anhydrous conditions.
4 more elements
Dependencies are inferred from the claim text.