The present invention discloses cyclopentane carboxylate compounds. The 1-hydrocarbyl-2-acyloxy-cyclopentane carboxylates according to the invention have a general formula (I):
wherein groups R
1
, R
2
and R
3
, which are identical or different, are independently selected from the group consisting of linear or branched C
1
-C
20
alkyl, C
3
-C
20
cycloalkyl, C
6
-C
20
aryl, C
7
-C
20
alkaryl and C
7
-C
20
aralkyl. The present invention also discloses a process as well as intermediate compounds for preparing the compounds of formula (I), and use of the compounds (I) as electron donor in the preparation of catalysts for propylene polymerization.
                            本发明公开了
环戊烷羧酸酯化合物。根据本发明,1-羟基烷基-2-酰氧基
环戊烷羧酸酯具有通式(I):其中,基团R1、R2和R3,相同或不同,可独立地选择自线性或支链的C1-C20烷基、C3-C20环烷基、C6-C20芳基、C7-C20烷基芳基和C7-C20芳基烷基的群。本发明还公开了一种用于制备通式(I)化合物的过程以及中间体化合物,并且公开了将这些化合物(I)用作
丙烯聚合催化剂中的电子给体的用途。