| abstract |
The present invention relates to an olefin by catalytic conversion of one or more alcohols having a carbon chain of 3 or more carbon atoms, not propan-2-ol, in the presence of one or more catalysts based on one or more phosphates of a metal or several metals M, A method for producing diene or polyene, and a use of the method, wherein M is 15 kinds of lanthanides (lanthanum, cerium, praseodymium, neodymium, Promethium, and samarium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium, Lutetium), Yttrium, Scandium and It is selected from boron. |