A new class of readily available and conformationally rigid phosphino-oxazoline ligands for asymmetric catalysis

被引：47

作者：

Liu, D ^{[1
]}

Dai, Q ^{[1
]}

Zhang, XM ^{[1
]}

机构：

[1] Penn State Univ, Dept Chem, University Pk, PA 16802 USA

来源：

TETRAHEDRON | 2005年 / 61卷 / 26期

关键词：

ligand; catalysis; enantioselectivity;

D O I：

10.1016/j.tet.2005.03.111

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new class of conformationally rigid phosphino-oxazoline ligands 3 were synthesized via an efficient ortho-substitution of phenyl glycinol as the key step. Divergent synthetic routes for easy ligand modulation. as well as a procedure suitable for scale-up synthesis, were established. The catalytic potential of ligands 3 has been demonstrated in the highly enantioselective Ir-catalyzed hydrogenation of alkenes and Pd-catalyzed allylic substitution and intermolecular Heck reactions. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：6460 / 6471

页数：12

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