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.
US9127092B2
申请人:——
公开号:US9127092B2
公开(公告)日:2015-09-08
Palladium-Catalyzed Tandem Heck-Lactonization from <i>o</i>-Iodophenols and Enoates: Synthesis of Coumarins and the Study of the Mechanism by Electrospray Ionization Mass Spectrometry
作者:Talita de A. Fernandes、Boniek Gontijo Vaz、Marcos N. Eberlin、Alcides J. M. da Silva、Paulo R. R. Costa
DOI:10.1021/jo1010922
日期:2010.11.5
and B). Using electrosprayionization for transferring ions directly from solution to the gasphase, and massspectrometry for structural assignments, key cationic palladium intermediates have been successfully intercepted and structurally characterized for the first time for this type of reaction.