| 主权项 |
1. A method for preparing a catalyst for organic synthesis reactions, comprising, preparing a composition containing at least one mono- or polymetallic agent, the metal or metals of which are selected from metals originating from, after heat treatment, of a plant or of a part of a plant belonging to one of the genera selected from Alyxia, Azolla, Beauprea, Beaupreopsis, Bridelia, Crotalaria, Dicranopteris, Dipteris, Eugenia, Gleichenia, Gossia, Macadamia, Maytenus, Pinus, Phytolacca, Spermacone, Stenocarpus, Virotia or Grevillea that has accumulated manganese (Mn) and optionally a metal or several metals in particular selected from magnesium (Mg), zinc (Zn), copper (Cu), iron (Fe), calcium (Ca), cadmium (Cd), aluminium (Al), said agent begin a catalyst for implementing organic synthesis reactions involving said agent as catalyst. |
