Invention Grant
- Patent Title: Process for the preparation of metallocene complexes
- Patent Title (中): 金属茂配合物的制备方法
-
Application No.: US14366690Application Date: 2012-12-13
-
Publication No.: US09234054B2Publication Date: 2016-01-12
- Inventor: Abdulaziz Hamad Al-Humydi , Atieh Aburaqabah , Christian Gorl , Helmut Alt
- Applicant: Saudi Basic Industries Corporation
- Applicant Address: SA Riyadh
- Assignee: SAUDI BASIC INDUSTRIES CORPORATION
- Current Assignee: SAUDI BASIC INDUSTRIES CORPORATION
- Current Assignee Address: SA Riyadh
- Agency: Cantor Colburn LLP
- Priority: EP11009973 20111219
- International Application: PCT/EP2012/005231 WO 20121213
- International Announcement: WO2013/091836 WO 20130627
- Main IPC: C07C13/36
- IPC: C07C13/36 ; C07C13/38 ; C07C1/32 ; C07F17/00 ; C08F4/6592 ; C08F10/02 ; C08F210/16 ; C08F4/76 ; C07C13/32 ; C07C2/66 ; C08F110/02

Abstract:
A process comprising reacting a 2-indenylboranic acid (ester) with a bromosubstituted compound in the presence of the Pd catalyst bis(triphenylphosphin)palladium dichloride and a base to form the corresponding bridged bis(indenyl) ligand. Where the 2-indenylboranic acid (ester) is the pinacolester of 2-indenylboranic acid, the process may further comprise reacting a 2-bromo indene compound with pinacolborane in the presence of a Pd catalyst and a base to form the corresponding 2-indenylpinacolylborane compound. Bridged bis(indenyl)ligands may suitably be used in the preparation of metallocene complexes, such as 2,2′-bis(2-indenyl)biphenyl ZrCl2 and 1,2-bis (2-indenyl)benzene ZrCl2. These metallocene complexes may be used for the polymerization, optionally in the presence of a cocatalyst, of one or more α-olefins, preferably for the polymerization of ethylene.
Public/Granted literature
- US20140343238A1 PROCESS FOR THE PREPARATION OF METALLOCENE COMPLEXES Public/Granted day:2014-11-20
Information query