LIGANDS AND CATALYST SYSTEMS THEREOF FOR THE CATALYTIC OLIGOMERIZATION OF OLEFINIC MONOMERS
申请人:DE BOER Eric Johannes Maria
公开号:US20090062493A1
公开(公告)日:2009-03-05
The present invention relates to a ligand and its use in a catalyst for the oligomerization of olefinic monomers, the ligand having the general formula (I);
P(R
4
)—P(R
1
)(R
2
)═N(R
3
) (I)
wherein:
the R
1
group is selected from a hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl and substituted heterohydrocarbyl group;
the R
2
group is selected from hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl and substituted heterohydrocarbyl groups;
the R
3
is selected from hydrogen, a hydrocarbyl group, a substituted hydrocarbyl group, a heterohydrocarbyl group, a substituted heterohydrocarbyl group, a silyl group or derivative thereof;
the R
4
group is an optionally substituted alkylenedioxy, alkylenedimercapto or alkylenediamino structure which is bound to the phosphorus atom through the two oxygen, sulphur or nitrogen atoms of the alkylenedioxy, alkylenedimercapto or alkylenediamino structure or an optionally substituted arylenedioxy, arylenedimercapto or arylenediamino structure which is bound to the phosphorus atom through the two oxygen, sulphur or nitrogen atoms of the arylenedioxy, arylenedimercapto or arylenediamino structure.
本发明涉及一种配体及其在烯烃单体寡聚催化剂中的应用,该配体具有通式(I):
P(R4)—P(R1)(R2)═N(R3) (I)
其中:
R1基团选自烃基、取代烃基、杂原子烃基和取代杂原子烃基;
R2基团选自烃基、取代烃基、杂原子烃基和取代杂原子烃基;
R3选自氢、烃基、取代烃基、杂原子烃基、取代杂原子烃基、硅基或其衍生物;
R4基团为可选取代的烷二氧、烷二硫或烷二氨基结构,通过烷二氧、烷二硫或烷二氨基结构的两个氧、硫或氮原子与磷原子结合,或者为可选取代的芳二氧、芳二硫或芳二氨基结构,通过芳二氧、芳二硫或芳二氨基结构的两个氧、硫或氮原子与磷原子结合。