摘要 |
The invention relates to a method of producing niobium (V) and tantalum (V) alkoxides, especially niobium (V) and tantalum (V) ethoxide by reacting NbCl5 or TaCl5 with a corresponding alcohol in the presence of ammonium. The NbCl5 or TaCl5 is dissolved in alcohol at a temperature of 0 {C to -50 {C, said alcohol containing 5 to 7 mole ammonium per mole NbCl5 or TaCl5 to be reacted.
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