… ??Coupling of Benzylic Halides with Aryltitanium Tris (isopropoxide) Catalyzed by Low Loadings of a Simple Palladium (II) Acetate/Tris (p??tolyl) phosphine System
CR Chen, S Zhou, DB Biradar…
Index: Chen, Chi-Ren; Zhou, Shuangliu; Biradar, Deepak Baburao; Gau, Han-Mou Advanced Synthesis and Catalysis, 2010 , vol. 352, # 10 p. 1718 - 1727
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Citation Number: 25
Abstract
Abstract Highly efficient coupling reactions of benzylic bromides or chlorides with aryltitanium tris (isopropoxide)[ArTi (Oi-Pr) 3] catalyzed by a simple palladium (II) acetate/tris (p-tolyl) phosphine [Pd (OAc) 2/P (p-tolyl) 3] system are reported. The coupling reactions proceed in general at room temperature employing low catalyst loadings of 0.02 to 0.2 mol%, affording coupling products in excellent yields of up to 99%. For benzylic bromides ...
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