申请人:Tahiri Ouardia
公开号:US20100222601A1
公开(公告)日:2010-09-02
A process for preparing cyclopentadiene derivatives having formula (I)
Wherein R
1
, R
2
, R
3
, R
4
, R
5
and R
6
equal to or different from each other, are hydrogen atoms or hydrocarbon groups comprising the steps of reacting a substituted or unsubstituted indanon with a base and then with a substituted or unsubstituted haloaceton and treating the obtained product with the Lawesson's reagent.