A process for preparing cyclopentadiene derivatives having formula (I) wherein T
1
is selected from the group consisting of oxygen (O), or sulphur (S); R
1
, R
2
, R
3
and R
4
, are hydrogen atoms, or hydrocarbon radicals; comprising the following steps: a) reacting a compound of formula (II) with a compound of formula (III) in the presence of a palladium or nickel based catalyst and a base; b) contacting the obtained compound with a carbonylating system; and c) treating the product obtained in step b) with a reducing agent.
一种制备公式(I)的
环戊二烯衍
生物的方法,其中T1选自氧(O)或
硫(S)的群组,R1、R2、R3和R4是氢原子或烃基,包括以下步骤:a)在
钯或
镍基催化剂和碱的存在下,将公式(II)的化合物与公式(III)的化合物反应;b)将所得化合物与羰基化系统接触;c)用还原剂处理步骤b)中得到的产物。