Nucleophilic Displacement Catalyzed by Transition Metal. IX. [Pd<sub>2</sub>(dba)<sub>3</sub>]·CHCl<sub>3</sub>–DPPF Catalyzed Cyanation of Aryl Halides and Aryl Triflates
作者:Kentaro Takagi、Ken Sasaki、Yasumasa Sakakibara
DOI:10.1246/bcsj.64.1118
日期:1991.4
A catalyst system comprising [Pd2(dba)3]·CHCl3 and DPPF was proved to be efficient for the cyanation of aryl iodides and aryl triflates with KCN. The reactivities of aryl substrates decreased in the order ArI>ArOTf>ArBr.
METHOD FOR PRODUCING POLYDIENES AND POLYDIENE COPOLYMERS WITH REDUCED COLD FLOW
申请人:Bridgestone Corporation
公开号:US20140187725A1
公开(公告)日:2014-07-03
A method for preparing a coupled polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer, and (ii) reacting the reactive polymer with coumarin or a substituted coumarin compound.