公开(公告)号：US09637425B2

公开(公告)日：2017-05-02

申请号：US13852611

申请日：2013-03-28

Applicant: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC.

Inventor： Kevin P. McGowan ,  Adam S. Veige

IPC: C07C5/25 ,  C07C2/34 ,  B01J23/24 ,  C07C2/32 ,  C07F11/00 ,  B01J31/14 ,  B01J31/18 ,  B01J31/22

CPC classification number: C07C5/2587 ,  B01J23/24 ,  B01J31/143 ,  B01J31/1805 ,  B01J31/183 ,  B01J31/2208 ,  B01J2231/122 ,  B01J2231/52 ,  B01J2531/0244 ,  B01J2531/62 ,  C07B2200/09 ,  C07C2/32 ,  C07C2/34 ,  C07C5/2581 ,  C07C2531/22 ,  C07F11/00 ,  C07F11/005 ,  C08F110/02 ,  C08F4/69353 ,  C07C11/02

Abstract: A catalyst comprising a NCN pincer ligand group VI complex is capable of being used as an olefin polymerization or isomerization catalyst that does not require an expensive cocatalyst. The complex has the NCN pincer ligand in a trianionic form with the group VI in the +3 oxidation state or the +4 oxidation state and complexed to an anionic hydrocarbon group, or the complex has the NCN pincer ligand in a dianionic form with the group VI in the +2 oxidation state. The complex is capable of initiating the polymerization of alkenes without an added activator. The presence of a water scavenger and activator or cocatalyst, such as triisobutylaluminum, increases the catalytic activity. The complex is capable of selectively isomerizing 1-alkenes to cis/trans 2-alkenes.