| abstract |
The invention discloses a method for preparing trans-type disubstituted olefins, belonging to the technical field of organic chemical synthesis. The method adopts a simple alcohol and a methyl nitrogen-containing heterocyclic ring as starting materials, and catalyzes an alkenylation reaction with a transition metal to obtain a trans-type disubstituted alkene compound. The reaction raw materials, catalysts and additives are cheap and easy to obtain, the synthesis process is simple, and the synthesis cost is greatly reduced; the reaction conditions are mild, the yield is high, and industrialization is easy; the reaction raw materials and catalysts are clean and non-toxic, and have little environmental pollution. As important fine chemicals, the trans-type disubstituted olefin compound and its derivatives are widely used in industries such as medicine, pesticide, fragrance and optoelectronics. |