LIGAND, OLIGOMERIZATION CATALYST COMPRISING SAME, AND METHOD FOR PRODUCING ETHYLENE OLIGOMER BY USING OLIGOMERIZATION CATALYST

Title:

LIGAND, OLIGOMERIZATION CATALYST COMPRISING SAME, AND METHOD FOR PRODUCING ETHYLENE OLIGOMER BY USING OLIGOMERIZATION CATALYST

Document Type and Number:

WIPO Patent Application WO/2019/168249

Kind Code:

A1

Abstract:

The present invention relates to a ligand, an ethylene oligomerization catalyst comprising same, and a method for selectively producing 1-hexene or 1-octene from ethylene by using the catalyst. The ligand according to the present invention is a bis (diphenylphosphino) ethane with a phosphorus atom substituted with a fluoro-substituted phenyl, and when the ligand is used for ethylene oligomerization, the high temperature activity of the catalyst can be increased.

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Inventors:

LEE HOSEONG (KR)
JOE YONGNAM (KR)

Application Number:

PCT/KR2018/012025

Publication Date:

September 06, 2019

Filing Date:

October 12, 2018

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Assignee:

SK INNOVATION CO LTD (KR)
SK GLOBAL CHEMICAL CO LTD (KR)

International Classes:

C07F9/50; B01J31/14; B01J31/24; C07C2/32; C07C11/02; C07C11/04

Domestic Patent References:

WO2002004119A1	2002-01-17
WO2004056479A1	2004-07-08

Foreign References:

KR20130105126A	2013-09-25
US20070185360A1	2007-08-09
CN1566041A	2005-01-19
KR20060002741A	2006-01-09

Other References:

YANG, Y. ET AL.: "Selective Ethylene Oligomerization with Chromium Complexes Bearing Pyridine-Phosphine Ligands: Influence of Ligand Structure on Catalytic Behavior", ORGANOMETALLICS, vol. 33, no. 20, 2014, pages 5749 - 5757, XP055385132, DOI: 10.1021/om5003683
KULANGARA, S. V. ET AL.: "Synthesis and Catalytic Oligomerization Activity of Chromium Catalysts of Ligand Systems with Switchable Connectivity", ORGANOMETALLICS, vol. 31, 2012, pages 6438 - 6449, XP055719908
See also references of EP 3760634A4
ANTEA CARTER ET AL., CHEM. COMMUN., 2002, pages 858 - 859
M. OLIANA, J. ORG. CHEM., 2006, pages 2472 - 2479

Attorney, Agent or Firm:

PLUS INTERNATIONAL IP LAW FIRM (KR)

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