Synthesis and use of water-soluble sulfonated dibenzofuran-based phosphine ligands

被引：0

作者：

Gelpke, AES ^{[1
]}

Veerman, JJN ^{[1
]}

Goedheijt, MS ^{[1
]}

Kamer, PCJ ^{[1
]}

van Leeuwen, PWNM ^{[1
]}

Hiemstra, H ^{[1
]}

机构：

[1] Univ Amsterdam, Inst Mol Chem, Labs Inorgan & Organ Chem, NL-1018 WS Amsterdam, Netherlands

来源：

TETRAHEDRON | 1999年 / 55卷 / 21期

关键词：

phosphines; solvents and solvent effects; Heck reaction; Suzuki reaction; hydroformylation;

D O I：

暂无

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The syntheses of three triphenylphosphine analogues with one, two or three phenyl groups replaced by 2-dibenzofuranyl groups, respectively, and one enantiopure analogue of the atropisomeric diphosphine MeO-BIPHEP with all four phenyl groups replaced by 2-dibenzofuranyl are reported. Sulfonation of these compounds with sulfuric acid at rt proceeded with complete regioselectivity at the 8-position in the dibenzofuran moieties. These results proved the usefulness of dibenzofuran as a structural moiety in the synthesis of water-soluble phosphine ligands. The dibenzofuran-based, water-soluble triphenylphosphine analogues were used as ligands in palladium-catalysed aqueous phase Heck and Suzuki reactions and in the rhodium-catalysed two-phase hydroformylation of propene. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：6657 / 6670

页数：14

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