Ethylene-linked bis(phenol) ligands:: efficient synthesis, Ti(IV) coordination chemistry, and Lewis acid catalysis

被引：6

作者：

Anthis, JW ^{[1
]}

Larsen, AO ^{[1
]}

White, PS ^{[1
]}

Gagné, MR ^{[1
]}

机构：

[1] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2003年 / 688卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

ethylene-linked bis(phenol) ligands; Ti(IV) coordination chemistry; Lewis acid catalysis;

D O I：

10.1016/j.jorganchem.2003.08.046

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

We report herein an efficient synthesis of a series of chelating bis(aryloxide) ligands that can be diverged at a late stage to generate a variety of structures. Based on structural differences between linked and unlinked analogs of six-coordinate acid-base adducts of (ArO)(2)TiCl2(dmpe), a hypothesis predicted that a difference between the two structure types would be apparent when the compounds shuttled between four- and six-coordinate structures. Comparing their efficiencies in the Lewis acid accelerated Diels-Alder reaction, however, did not support this notion. (C) 2003 Published by Elsevier B.V.

引用

收藏

页码：121 / 124

页数：4

相关论文

共 25 条

[1] SEQUENTIAL DIRECTED ORTHO METALATION BORONIC ACID CROSS-COUPLING REACTIONS - A GENERAL REGIOSPECIFIC ROUTE TO OXYGENATED DIBENZO[B,D]PYRAN-6-ONES RELATED TO ELLAGIC ACID [J].

ALO, BI ;

KANDIL, A ;

PATIL, PA ;

SHARP, MJ ;

SIDDIQUI, MA ;

SNIECKUS, V ;

JOSEPHY, PD .

JOURNAL OF ORGANIC CHEMISTRY, 1991, 56 (12) :3763-3768

[2]

ANTHIS JW, IN PRESS INORG CHEM

[3]

ANTHIS JW, 2001, THESIS U ARIZONA

[4] Palladium metal catalysts in Heck C-C coupling reactions [J].

Biffis, A ;

Zecca, M ;

Basato, M .

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2001, 173 (1-2) :249-274

[5] Structural distortions in six-coordinate adducts of niobium(V) and tantalum(V) [J].

Clark, JR ;

Pulvirenti, AL ;

Fanwick, PE ;

Sigalas, M ;

Eisenstein, O ;

Rothwell, IP .

INORGANIC CHEMISTRY, 1997, 36 (17) :3623-3631

[6] Optimization of asymmetric catalysts using achiral ligands: Metal geometry-induced ligand asymmetry [J].

Davis, TJ ;

Balsells, J ;

Carroll, PJ ;

Walsh, PJ .

ORGANIC LETTERS, 2001, 3 (14) :2161-2164

[7] FINE FEATHERS MAKE FINE BIRDS - THE HECK REACTION IN MODERN GARB [J].

DE MEIJERE, A ;

MEYER, FE .

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 1994, 33 (23-24) :2379-2411

[8] BULKY METAL ARYLOXIDES, ARYLAMIDES, AND SULFUR AND PHOSPHORUS ANALOGS .1. SYNTHETIC AND CHEMICAL STUDIES OF TITANIUM AND ZIRCONIUM ARYLOXIDES [J].

DUFF, AW ;

KAMARUDIN, RA ;

LAPPERT, MF ;

NORTON, RJ .

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1986, (03) :489-498

[9] Nine-membered titanacyclic complexes based on an ethylene-bridged bis(phenolato) ligand: Synthesis, structure, and olefin polymerization activity [J].

Fokken, S ;

Spaniol, TP ;

Okuda, J ;

Sernetz, FG ;

Mulhaupt, R .

ORGANOMETALLICS, 1997, 16 (20) :4240-4242

[10] Titanium complexes of chelating bis(phenolato) ligands with long titanium-sulfur bonds. A novel type of ancillary ligand for olefin polymerization catalysts [J].

Fokken, S ;

Spaniol, TP ;

Kang, HC ;

Massa, W ;

Okuda, J .

ORGANOMETALLICS, 1996, 15 (23) :5069-5072